btrfs_insert_empty_item identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/btrfs/ctree.h, line 657 (as a function)

Referenced in 21 files:

Smatch caller information:

fs/btrfs/verity.c write_key_bytes() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	3728216238329081856
PARAM_VALUE	3	key->offset	0-1,25-26,256-u64max
PARAM_VALUE	3	key->type	36
PARAM_VALUE	4	data_size	1-2048
CAPPED_DATA	4	data_size	1
DATA_SOURCE	0	trans	r btrfs_start_transaction
DATA_SOURCE	2	path	r btrfs_alloc_path
UNITS	4	data_size	unit_byte
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

fs/btrfs/dir-item.c insert_with_overflow() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5376554165109895168,8013905876374196224
PARAM_VALUE	3	key->offset	0-u32max
PARAM_VALUE	3	key->type	24,84
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	$2
DATA_SOURCE	3	key	$3
DATA_SOURCE	4	data_size	$4
STR_LEN	0	trans	(-1)-1010101
STR_LEN	0	trans	(-1)-1010101
STR_LEN	1	root	(-1)-1010101
STR_LEN	1	root	(-1)-1010101
HARD_MAX	3	key->type	84
RX_PATH
TASK_NOT_RUNNING
USER_DATA	4	data_size	30-131100
UNITS	4	data_size	unit_byte

fs/btrfs/dev-replace.c btrfs_run_dev_replace() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.first_waiter->handoff_set	1
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->dev_replace.rwsem.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->dirty_pages.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->dirty_pages.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->state	3
PARAM_VALUE	0	trans->transaction->switch_commits.prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->switch_commits.prev->next	4096-ptr_max
PARAM_VALUE	0	trans->transaction->switch_commits.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->writeback_inhibited_ebs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	0
PARAM_VALUE	3	key	2806984545862189056
PARAM_VALUE	3	key->objectid	0
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	250
PARAM_VALUE	4	data_size	72
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&cow->lock

fs/btrfs/volumes.c btrfs_add_dev_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	trans->fs_info->chunk_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->profiles_lock.seqcount.seqcount.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	6879291612955422720
PARAM_VALUE	3	key->objectid	1
PARAM_VALUE	3	key->type	216
PARAM_VALUE	4	data_size	98
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
CAPABLE	0	21
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&sb->s_umount
HALF_LOCKED2		global &uuid_mutex

fs/btrfs/volumes.c insert_balance_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	1	root->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->qgroup_meta_rsv_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	7506875103712190464
PARAM_VALUE	3	key->objectid	18446744073709551612
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	248
PARAM_VALUE	4	data_size	448
DATA_SOURCE	0	trans	r btrfs_start_transaction
DATA_SOURCE	2	path	r btrfs_alloc_path
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&fs_info->balance_mutex

fs/btrfs/volumes.c update_dev_stat_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_delay_max	0-s64max
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_delay_min	0-s64max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_delay_max	0-s64max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_delay_min	0-s64max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->tree_root	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->state	3
PARAM_VALUE	0	trans->writeback_inhibited_ebs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	0
PARAM_VALUE	3	key	3486607611054718976
PARAM_VALUE	3	key->objectid	0
PARAM_VALUE	3	key->type	249
PARAM_VALUE	4	data_size	40
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&fs_devices->device_list_mutex
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->reloc_mutex
TYPE_LOCK		(struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/tree-log.c insert_dir_log_key() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	1569851702386429952
PARAM_VALUE	3	key->type	72
PARAM_VALUE	4	data_size	8
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&old_dir->log_mutex

fs/btrfs/tree-log.c link_to_fixup_dir() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->fs_info	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	8824043392266850304
PARAM_VALUE	3	key->objectid	18446744073709551609
PARAM_VALUE	3	key->type	48
PARAM_VALUE	4	data_size	0
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
CAPPED_DATA	1	root->fs_info->sb	1

fs/btrfs/tree-log.c log_inode_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	3	key	3920014223805407232
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	1
PARAM_VALUE	4	data_size	160
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	$2
UNITS	4	data_size	unit_byte

fs/btrfs/tree-log.c log_one_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	3	key	6182479075970351104
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	53
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$3
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	3	key->offset
UNITS	4	data_size	unit_byte

fs/btrfs/tree-log.c overwrite_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->skip_release_on_error	1
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	4096-ptr_max
DATA_SOURCE	4	data_size	r btrfs_item_size

fs/btrfs/tree-log.c replay_one_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	*path->locks	0
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	0
PARAM_VALUE	3	key	4096-ptr_max
PARAM_VALUE	4	data_size	53
UNITS	4	data_size	unit_byte

fs/btrfs/file.c btrfs_insert_replace_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->block_rsv	4096-ptr_max
PARAM_VALUE	0	trans->block_rsv->full	0
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	7869873745118494720
PARAM_VALUE	3	key->offset	0-18446744073709551614
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	53
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans->block_rsv	120
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$2
NOSPEC	3	key->offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	0-s32max[c]
NO_OVERFLOW_SIMPLE	3	key->offset
UNITS	4	data_size	unit_byte

fs/btrfs/orphan.c btrfs_insert_orphan_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	7058468971508854784
PARAM_VALUE	3	key->objectid	18446744073709551611
PARAM_VALUE	3	key->type	48
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&fs_info->subvol_sem

fs/btrfs/inode.c btrfs_symlink() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	1	root->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->qgroup_meta_rsv_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	9052080186610606080
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	21-1010122
CAPPED_DATA	4	data_size	1
DATA_SOURCE	0	trans	r btrfs_start_transaction
DATA_SOURCE	2	path	r btrfs_alloc_path
DATA_SOURCE	4	data_size	r btrfs_file_extent_calc_inline_size
RX_PATH
TASK_NOT_RUNNING

fs/btrfs/inode.c insert_inline_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	7124126477286105088
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	21-4117
CAPPED_DATA	4	data_size	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
DATA_SOURCE	4	data_size	r btrfs_file_extent_calc_inline_size
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mapping->invalidate_lock

fs/btrfs/inode.c insert_reserved_file_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	6244483004498051072
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	53
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
CAPPED_DATA	0	trans	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
NOSPEC	3	key->offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	0-9223372036854775807[c]
NO_OVERFLOW_SIMPLE	3	key->offset
UNITS	4	data_size	unit_byte

fs/btrfs/inode-item.c btrfs_insert_empty_inode() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->free_objectid	0-18446744073709551360
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->objectid_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	root->objectid_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	root->objectid_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	2213115360219197440
PARAM_VALUE	3	key->objectid	0-18446744073709551359
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	1
PARAM_VALUE	4	data_size	160
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	1	root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	1	root->dirty_log_pages.inode->vfs_inode.i_size
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2	0	&trans->transaction->cache_write_mutex

fs/btrfs/inode-item.c btrfs_insert_inode_extref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	274988605507694592
PARAM_VALUE	3	key->objectid	0-255,257-u64max
PARAM_VALUE	3	key->offset	0-u32max
PARAM_VALUE	3	key->type	13
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&inode->i_rwsem

fs/btrfs/inode-item.c btrfs_insert_inode_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->skip_release_on_error	1
PARAM_VALUE	3	key	945864045362442240
PARAM_VALUE	3	key->objectid	0-255,257-u64max
PARAM_VALUE	3	key->type	12
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte

fs/btrfs/free-space-tree.c add_free_space_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	0,4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5067327986999087104
PARAM_VALUE	3	key->type	199
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans->pending_snapshot	(-1),208
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
CAPPED_DATA	2	path	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	3	key->objectid
NO_OVERFLOW_SIMPLE	3	key->offset
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&block_group->free_space_lock
HALF_LOCKED2	0	&trans->fs_info->commit_root_sem
HALF_LOCKED2	0	&trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2	0	&trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_lock
HALF_LOCKED2	0	&trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2	0	&trans->transaction->delayed_refs.lock

fs/btrfs/free-space-tree.c add_new_free_space_info() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	0,4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	5381655635889340416
PARAM_VALUE	3	key->type	198
PARAM_VALUE	4	data_size	8
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans->pending_snapshot	(-1),208
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	3	key->objectid
NO_OVERFLOW_SIMPLE	3	key->offset
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2	0	&trans->fs_info->commit_root_sem
HALF_LOCKED2	0	&trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2	0	&trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_lock
HALF_LOCKED2	0	&trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2	0	&trans->transaction->delayed_refs.lock

fs/btrfs/free-space-tree.c btrfs_convert_free_space_to_bitmaps() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5344402148536950784
PARAM_VALUE	3	key->objectid	0-18446744073709551614
PARAM_VALUE	3	key->offset	0-u32max
PARAM_VALUE	3	key->type	200
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
CAPPED_DATA	2	path	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
DATA_SOURCE	4	data_size	r free_space_bitmap_size
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	3	key->objectid
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2	0	&trans->fs_info->commit_root_sem
HALF_LOCKED2	0	&trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2	0	&trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_lock
HALF_LOCKED2	0	&trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2	0	&trans->transaction->delayed_refs.lock

fs/btrfs/free-space-tree.c btrfs_convert_free_space_to_extents() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	609544435046748160
PARAM_VALUE	3	key->type	199
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
CAPPED_DATA	2	path	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->stripe_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_size
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2	0	&trans->fs_info->commit_root_sem
HALF_LOCKED2	0	&trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2	0	&trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2	0	&trans->fs_info->qgroup_lock
HALF_LOCKED2	0	&trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2	0	&trans->transaction->delayed_refs.lock

fs/btrfs/free-space-tree.c remove_free_space_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->delayed_refs.dirty_extents.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->delayed_refs.head_refs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->writeback_inhibited_ebs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->accounting_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->global_block_rsv.full	1
PARAM_VALUE	1	root->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	1	root->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	1	root->fs_info->global_block_rsv.space_info->force_alloc	0-4294967295
PARAM_VALUE	1	root->fs_info->qgroup_flags	0,4-u64max
PARAM_VALUE	1	root->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->reloc_ctl->refs.refs.counter	s32min-s32max
PARAM_VALUE	1	root->fs_info->reloc_ctl_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->trans_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log.rb_node	4096-ptr_max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner	(-1)
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner_cpu	u32max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	6304244204976115712
PARAM_VALUE	3	key->objectid	0-18446744073709551614
PARAM_VALUE	3	key->offset	1-u64max
PARAM_VALUE	3	key->type	199
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
CAPPED_DATA	2	path	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&block_group->free_space_lock

fs/btrfs/free-space-tree.c remove_free_space_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->delayed_refs.dirty_extents.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->delayed_refs.head_refs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->writeback_inhibited_ebs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->accounting_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->global_block_rsv.full	1
PARAM_VALUE	1	root->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	1	root->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	1	root->fs_info->global_block_rsv.space_info->force_alloc	0-4294967295
PARAM_VALUE	1	root->fs_info->qgroup_flags	0,4-u64max
PARAM_VALUE	1	root->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->reloc_ctl->refs.refs.counter	s32min-s32max
PARAM_VALUE	1	root->fs_info->reloc_ctl_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->trans_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log.rb_node	4096-ptr_max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner	(-1)
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner_cpu	u32max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	6304244204976115712
PARAM_VALUE	3	key->objectid	0-18446744073709551614
PARAM_VALUE	3	key->offset	1-u64max
PARAM_VALUE	3	key->type	199
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
CAPPED_DATA	2	path	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_free_space_root
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&block_group->free_space_lock

fs/btrfs/file-item.c btrfs_insert_data_csums() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5806249693069303808
PARAM_VALUE	3	key->objectid	18446744073709551606
PARAM_VALUE	3	key->type	128
CAPPED_DATA	0	trans	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	1	root->dirty_log_pages.inode->vfs_inode.i_bytes

fs/btrfs/file-item.c btrfs_insert_hole_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	2902207856680693760
PARAM_VALUE	3	key->offset	0-18446744073709551614
PARAM_VALUE	3	key->type	108
PARAM_VALUE	4	data_size	53
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
NOSPEC	3	key->offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	0-6442450941[c]
NO_OVERFLOW_SIMPLE	3	key->offset
UNITS	4	data_size	unit_byte

fs/btrfs/qgroup.c add_qgroup_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->fs_info	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	2558875530278461440
PARAM_VALUE	3	key->objectid	0
PARAM_VALUE	3	key->type	242
PARAM_VALUE	4	data_size	40
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans->block_rsv	(-1),120
BUF_SIZE	1	root	(-1),2888
BUF_SIZE	1	root	(-1),2888
CAPPED_DATA	1	root	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	1-4,6-u64max
NO_OVERFLOW_SIMPLE	1	root->fs_info->nodesize
NO_OVERFLOW_SIMPLE	1	root->fs_info->sectorsize
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&fs_info->qgroup_ioctl_lock
HALF_LOCKED2		&fs_info->subvol_sem

fs/btrfs/qgroup.c add_qgroup_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	0
PARAM_VALUE	3	key	2558875530278461440
PARAM_VALUE	3	key->objectid	0
PARAM_VALUE	3	key->type	244
PARAM_VALUE	4	data_size	40
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	1	root	(-1),2888
BUF_SIZE	1	root	(-1),2888
CAPPED_DATA	1	root	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	1-4,6-u64max
NO_OVERFLOW_SIMPLE	1	root->fs_info->nodesize
NO_OVERFLOW_SIMPLE	1	root->fs_info->sectorsize
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&fs_info->qgroup_ioctl_lock
HALF_LOCKED2		&fs_info->subvol_sem

fs/btrfs/qgroup.c add_qgroup_relation_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	8832533882215546880
PARAM_VALUE	3	key->type	246
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans->block_rsv	(-1),120
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
USER_DATA	3	key->objectid	0-u64max
USER_DATA	3	key->offset	0-u64max
HALF_LOCKED2		&fs_info->qgroup_ioctl_lock

fs/btrfs/qgroup.c btrfs_quota_enable() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->allocated_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,4672,5297,4573560380487,148606482432692224,436469935444291584
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	0	trans->transaction->delayed_refs.head_refs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->commit_root	4096-ptr_max
PARAM_VALUE	1	root->commit_root->refs.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	1	root->delalloc_inodes.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->delalloc_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->delalloc_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,4672,5297,4573560380487,148606482432692224,436469935444291584
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	1	root->leak_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->log_commit_wait	4096-ptr_max
PARAM_VALUE	1	root->log_ctxs	4096-ptr_max
PARAM_VALUE	1	root->log_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->log_writer_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->node	4096-ptr_max
PARAM_VALUE	1	root->node->lock.osq.tail.counter	0-s32max
PARAM_VALUE	1	root->node->log_index	(-1)-1
PARAM_VALUE	1	root->node->refs.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	1	root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extent_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extents.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->root_item.drop_level	0
PARAM_VALUE	1	root->root_item.level	0
PARAM_VALUE	1	root->root_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->swapped_blocks->blocks	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	1234349952322629632
PARAM_VALUE	3	key->objectid	0
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	240
PARAM_VALUE	4	data_size	40
BUF_SIZE	1	root	2880
CAPPED_DATA	1	root	1
DATA_SOURCE	0	trans	r btrfs_start_transaction
DATA_SOURCE	1	root	r btrfs_create_tree
DATA_SOURCE	2	path	r btrfs_alloc_path
CAPABLE	0	21
NO_OVERFLOW_SIMPLE	1	root->dirty_log_pages.fs_info->nodesize
NO_OVERFLOW_SIMPLE	1	root->dirty_log_pages.fs_info->sectorsize
NO_OVERFLOW_SIMPLE	1	root->fs_info->nodesize
NO_OVERFLOW_SIMPLE	1	root->fs_info->sectorsize
NO_OVERFLOW_SIMPLE	1	root->log_csum_range.fs_info->nodesize
NO_OVERFLOW_SIMPLE	1	root->log_csum_range.fs_info->sectorsize
UNITS	4	data_size	unit_byte
LOCK2		&fs_info->qgroup_ioctl_lock
LOCK2		&fs_info->subvol_sem
TYPE_LOCK		(struct btrfs_fs_info)->qgroup_ioctl_lock
TYPE_LOCK		(struct btrfs_fs_info)->subvol_sem

fs/btrfs/free-space-cache.c __create_free_space_inode() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->tree_root	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->tree_root->free_objectid	0-18446744073709551360
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	trans->fs_info->tree_root->objectid_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->objectid_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	root->objectid_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	1	root->objectid_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	8407106801921122304
PARAM_VALUE	3	key->objectid	18446744073709551605
PARAM_VALUE	3	key->type	0
PARAM_VALUE	4	data_size	41
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
DATA_SOURCE	0	trans	$1
DATA_SOURCE	1	root	$0
DATA_SOURCE	2	path	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2	0	&trans->transaction->cache_write_mutex

fs/btrfs/root-tree.c btrfs_add_root_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	3552300805255233536
PARAM_VALUE	3	key->type	144,156
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte

fs/btrfs/root-tree.c btrfs_update_root() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	0	trans->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->delayed_refs.dirty_extents.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->delayed_refs.head_refs.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->accounting_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->global_block_rsv.full	1
PARAM_VALUE	1	root->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	1	root->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	1	root->fs_info->qgroup_flags	0,4-u64max
PARAM_VALUE	1	root->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->reloc_ctl->refs.refs.counter	s32min-s32max
PARAM_VALUE	1	root->fs_info->reloc_ctl_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->trans_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log.rb_node	4096-ptr_max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner	(-1)
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner_cpu	u32max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	4096-ptr_max
PARAM_VALUE	4	data_size	439
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
DATA_SOURCE	3	key	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&fs_info->subvol_sem
HALF_LOCKED2		&log_root_tree->log_mutex

fs/btrfs/relocation.c add_remap_backref_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	7740736071615598592
PARAM_VALUE	3	key->type	236
PARAM_VALUE	4	data_size	8
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&fs_info->remap_mutex

fs/btrfs/relocation.c add_remap_entry() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	21400287729647616
PARAM_VALUE	3	key->type	234
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
LOCK2		&fs_info->remap_mutex
TYPE_LOCK		(struct btrfs_fs_info)->remap_mutex

fs/btrfs/relocation.c add_remap_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	6185520390794747904
PARAM_VALUE	3	key->type	235
PARAM_VALUE	4	data_size	8
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&fs_info->remap_mutex

fs/btrfs/relocation.c insert_remap_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	154669701141078016
PARAM_VALUE	3	key->objectid	0-18446744073709551614
PARAM_VALUE	3	key->offset	1-u64max
PARAM_VALUE	3	key->type	234
PARAM_VALUE	4	data_size	0
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&fs_info->remap_mutex
HALF_LOCKED2		&fs_info->reloc_mutex
TYPE_LOCK		(struct btrfs_fs_info)->remap_mutex

fs/btrfs/relocation.c insert_remap_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	154669701141078016
PARAM_VALUE	3	key->objectid	0-18446744073709551614
PARAM_VALUE	3	key->offset	1-u64max
PARAM_VALUE	3	key->type	235
PARAM_VALUE	4	data_size	8
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&fs_info->remap_mutex
HALF_LOCKED2		&fs_info->reloc_mutex
TYPE_LOCK		(struct btrfs_fs_info)->remap_mutex

fs/btrfs/relocation.c insert_remap_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	trans->fs_info->remap_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->remap_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->remap_root	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	154669701141078016
PARAM_VALUE	3	key->offset	1-u64max
PARAM_VALUE	3	key->type	236
PARAM_VALUE	4	data_size	8
BUF_SIZE	2	path	(-1)-s32max
BUF_SIZE	2	path	(-1)-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&fs_info->remap_mutex
HALF_LOCKED2		&fs_info->reloc_mutex
TYPE_LOCK		(struct btrfs_fs_info)->remap_mutex

fs/btrfs/block-group.c insert_dev_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_delay_max	0-s64max
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->delays->blkio_delay_min	0-s64max
PARAM_VALUE	0	trans->fs_info->cleaner_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_delay_max	0-s64max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_delay_min	0-s64max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->ptracer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	11160270352023552
PARAM_VALUE	3	key->type	204
PARAM_VALUE	4	data_size	48
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans->pending_snapshot	(-1),208
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&fs_info->fs_devices->device_list_mutex
TYPE_LOCK		(struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/tests/qgroup-tests.c add_tree_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4356009682245005312
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->delalloc_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->delalloc_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864
PARAM_VALUE	1	root->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.next->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->dirty_cowonly_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->fs_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->fs_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->root_key.objectid	5
PARAM_VALUE	1	root->fs_info->fs_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	1	root->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->global_root_lock.owner	(-1)
PARAM_VALUE	1	root->fs_info->global_root_lock.owner_cpu	u32max
PARAM_VALUE	1	root->fs_info->qgroup_flags	0,4-u64max
PARAM_VALUE	1	root->fs_info->quota_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->quota_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->quota_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->quota_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->root_key.objectid	2
PARAM_VALUE	1	root->fs_info->quota_root->root_key.type	132
PARAM_VALUE	1	root->fs_info->quota_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->reloc_ctl->refs.refs.counter	s32min-s32max
PARAM_VALUE	1	root->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->tree_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->tree_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->tree_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->tree_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->root_key.objectid	2
PARAM_VALUE	1	root->fs_info->tree_root->root_key.type	132
PARAM_VALUE	1	root->fs_info->tree_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->leak_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->log_batch.counter	0
PARAM_VALUE	1	root->log_commit	4096-ptr_max
PARAM_VALUE	1	root->log_commit_wait	4096-ptr_max
PARAM_VALUE	1	root->log_ctxs	4096-ptr_max
PARAM_VALUE	1	root->log_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->log_writer_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log.rb_node	4096-ptr_max
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner	(-1)
PARAM_VALUE	1	root->node->fs_info->tree_mod_log_lock.owner_cpu	u32max
PARAM_VALUE	1	root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extent_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extents.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->root_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->swapped_blocks->blocks	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	0
PARAM_VALUE	3	key	8485749285544136704
PARAM_VALUE	3	key->objectid	0-65536
PARAM_VALUE	3	key->offset	256
PARAM_VALUE	3	key->type	176,182
PARAM_VALUE	4	data_size	0
BUF_SIZE	1	root	2888
BUF_SIZE	1	root	2888
CAPPED_DATA	1	root	1
DATA_SOURCE	1	root	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
MEM_ZERO	0	trans
NO_OVERFLOW_SIMPLE	1	root->node->len
NO_OVERFLOW_SIMPLE	1	root->node->start

fs/btrfs/tests/qgroup-tests.c insert_normal_tree_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	2978124060758282240
PARAM_VALUE	0	trans->aborted	0
PARAM_VALUE	0	trans->in_fsync	0
PARAM_VALUE	0	trans->orig_rsv	0
PARAM_VALUE	0	trans->transaction	0
PARAM_VALUE	0	trans->transid	1
PARAM_VALUE	0	trans->type	32
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_inodes.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->delalloc_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->delalloc_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->delalloc_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864
PARAM_VALUE	1	root->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->fs_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->fs_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->fs_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->root_key.objectid	5
PARAM_VALUE	1	root->fs_info->fs_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	1	root->fs_info->global_root_lock.owner	(-1)
PARAM_VALUE	1	root->fs_info->global_root_lock.owner_cpu	u32max
PARAM_VALUE	1	root->fs_info->quota_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->quota_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->quota_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->quota_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->root_key.objectid	2
PARAM_VALUE	1	root->fs_info->quota_root->root_key.type	132
PARAM_VALUE	1	root->fs_info->quota_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->quota_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->tree_root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->delalloc_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->fs_info	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->leak_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_transid_committed	(-1)
PARAM_VALUE	1	root->fs_info->tree_root->log_writer_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->log_writer_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->fs_info->tree_root->objectid_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extent_mutex.magic	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extents.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_extents.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_root.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->ordered_root.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->qgroup_flush_wait.head.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->qgroup_flush_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->refs.refs.counter	1
PARAM_VALUE	1	root->fs_info->tree_root->reloc_dirty_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->reloc_dirty_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->root_key.objectid	2
PARAM_VALUE	1	root->fs_info->tree_root->root_key.type	132
PARAM_VALUE	1	root->fs_info->tree_root->root_list.next	4096-ptr_max
PARAM_VALUE	1	root->fs_info->tree_root->root_list.prev	4096-ptr_max
PARAM_VALUE	1	root->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->leak_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->leak_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->log_batch.counter	0
PARAM_VALUE	1	root->log_commit	4096-ptr_max
PARAM_VALUE	1	root->log_commit_wait	4096-ptr_max
PARAM_VALUE	1	root->log_ctxs	4096-ptr_max
PARAM_VALUE	1	root->log_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->log_writer_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->log_writer_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->objectid_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extent_mutex.dep_map->name	0-255
PARAM_VALUE	1	root->ordered_extents.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_extents.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.next->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->next	4096-ptr_max
PARAM_VALUE	1	root->ordered_root.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	root->qgroup_flush_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->reloc_dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->root_list.next->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->next	4096-ptr_max
PARAM_VALUE	1	root->root_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	root->swapped_blocks->blocks	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	6195007822490742784
PARAM_VALUE	3	key->objectid	0-65536
PARAM_VALUE	3	key->offset	0-65536
PARAM_VALUE	3	key->type	168
PARAM_VALUE	4	data_size	51
BUF_SIZE	1	root	2888
BUF_SIZE	1	root	2888
BUF_SIZE	1	root->fs_info	(-1),11312
BUF_SIZE	1	root->fs_info->fs_root	(-1),2888
BUF_SIZE	1	root->fs_info->quota_root	(-1),2888
BUF_SIZE	1	root->fs_info->tree_root	(-1),2888
BUF_SIZE	1	root->node	(-1)-s32max
BUF_SIZE	1	root->node->fs_info	(-1),11312
CAPPED_DATA	1	root	1
DATA_SOURCE	1	root	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
MEM_ZERO	0	trans
NO_OVERFLOW_SIMPLE	1	root->node->len
NO_OVERFLOW_SIMPLE	1	root->node->start
UNITS	4	data_size	unit_byte

fs/btrfs/extent-tree.c alloc_reserved_file_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	4439182596697497600,5628462415027908608
PARAM_VALUE	3	key->type	168
PARAM_VALUE	4	data_size	24,33,37,42,46,50,53,62,66,82
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans->pending_snapshot	(-1),208
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_extent_root
DATA_SOURCE	2	path	r btrfs_alloc_path
DATA_SOURCE	3	key	$6
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit

fs/btrfs/extent-tree.c alloc_reserved_tree_block() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->aborted	0
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->transaction_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	trans->fs_info->transaction_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	220075298167353344
PARAM_VALUE	3	key->type	168-169
PARAM_VALUE	4	data_size	33,51
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans->pending_snapshot	(-1),208
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_extent_root
DATA_SOURCE	2	path	r btrfs_alloc_path
FUZZY_MAX	4	data_size	33
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/extent-tree.c insert_extent_data_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->search_for_extension	0
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5007168504910987264
PARAM_VALUE	3	key->type	178,184
PARAM_VALUE	4	data_size	4,28
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_extent_root
DATA_SOURCE	2	path	$1
FUZZY_MAX	4	data_size	28
BIT_INFO	4	data_size	0x4,0x1c
HARD_MAX	4	data_size	28
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/extent-tree.c insert_extent_data_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5007168504910987264
PARAM_VALUE	3	key->type	178
PARAM_VALUE	4	data_size	28
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_extent_root
DATA_SOURCE	2	path	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/extent-tree.c insert_tree_block_ref() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->search_for_extension	0
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	4573506202583871488
PARAM_VALUE	3	key->type	176,182
PARAM_VALUE	4	data_size	0
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	r btrfs_extent_root
DATA_SOURCE	2	path	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/uuid-tree.c btrfs_uuid_tree_add() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root	1-u64max
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	1398246909718568960
PARAM_VALUE	3	key->type	251-252
PARAM_VALUE	4	data_size	8
BUF_SIZE	0	trans	(-1)-0,4,24,64,168-s32max
BUF_SIZE	0	trans	(-1)-0,4,24,64,168-s32max
CAPPED_DATA	0	trans	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	2	path	r btrfs_alloc_path
UNITS	4	data_size	unit_byte
HALF_LOCKED2		&fs_info->subvol_sem

fs/btrfs/ctree.c btrfs_insert_item() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	2	path	1-u64max
PARAM_VALUE	3	key	4096-ptr_max
PARAM_VALUE	4	data_size	0-4000000
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans	(-1)-s32max
BUF_SIZE	0	trans->block_rsv	(-1),120
BUF_SIZE	0	trans->pending_snapshot	(-1),208
CAPPED_DATA	0	trans	1
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
DATA_SOURCE	2	path	r btrfs_alloc_path
DATA_SOURCE	3	key	$2
DATA_SOURCE	4	data_size	$4
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS	4	data_size	unit_byte
USER_PTR	0	trans->pending_snapshot->inherit
HALF_LOCKED2		&fs_info->chunk_mutex

fs/btrfs/reflink.c clone_copy_inline_extent() -> btrfs_insert_empty_item()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	1	root	4096-ptr_max
PARAM_VALUE	1	root->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->qgroup_meta_rsv_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	path	4096-ptr_max
PARAM_VALUE	2	path->nodes	4096-ptr_max
PARAM_VALUE	2	path->slots	4096-ptr_max
PARAM_VALUE	2	*path->locks	0-255
PARAM_VALUE	2	*path->nodes	0
PARAM_VALUE	2	*path->slots	s32min-s32max
PARAM_VALUE	3	key	5325414554407882752
PARAM_VALUE	3	key->offset	0
PARAM_VALUE	3	key->type	0-108
DATA_SOURCE	0	trans	r btrfs_start_transaction
DATA_SOURCE	2	path	$1
DATA_SOURCE	3	key	$2
DATA_SOURCE	4	data_size	$5
NOSPEC	3	key->offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	3	key->offset	0[c]
NO_OVERFLOW_SIMPLE	3	key->offset
HALF_LOCKED2		&src_inode->vfs_inode.i_rwsem