btrfs_update_root identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/root-tree.h, line 31 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/root-tree.c, line 128 (as a function)

Referenced in 5 files:

Smatch caller information:

fs/btrfs/tree-log.c update_log_root() -> btrfs_update_root()

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	2	key	4096-ptr_max
PARAM_VALUE	3	item	252446652427042816
DATA_SOURCE	0	trans	$0
DATA_SOURCE	3	item	$2
RX_PATH
LOCK2		&log_root_tree->log_mutex
TYPE_LOCK		(struct btrfs_root)->log_mutex

fs/btrfs/relocation.c btrfs_update_reloc_root() -> btrfs_update_root()

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->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	2	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
BUF_SIZE	3	item	439
DATA_SOURCE	0	trans	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&fs_info->cleaner_mutex

fs/btrfs/relocation.c mark_garbage_root() -> btrfs_update_root()

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	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
DATA_SOURCE	0	trans	r btrfs_start_transaction

fs/btrfs/transaction.c commit_fs_roots() -> btrfs_update_root()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->btrfs_state_change_map	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->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->qgroup_ioctl_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	trans->fs_info->qgroup_ioctl_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->reloc_ctl_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->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->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->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2),0
PARAM_VALUE	0	trans->transaction->delayed_refs.qgroup_to_skip	0-18446744073709551359
PARAM_VALUE	0	trans->transaction->state	0
PARAM_VALUE	2	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
DATA_SOURCE	0	trans	$0
RX_PATH
TASK_NOT_RUNNING
USER_PTR	0	trans->pending_snapshot->inherit
LOCK2		&cow->lock
LOCK2		&fs_info->reloc_mutex
HALF_LOCKED2		&dev_replace->lock_finishing_cancel_unmount
HALF_LOCKED2		&fs_info->cleaner_mutex
HALF_LOCKED2		&fs_info->subvol_sem
HALF_LOCKED2		&fs_info->transaction_kthread_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_fs_info)->reloc_mutex

fs/btrfs/transaction.c update_cowonly_root() -> btrfs_update_root()

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->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	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
DATA_SOURCE	0	trans	$0
RX_PATH
HALF_LOCKED2		&cow->lock

fs/btrfs/ioctl.c _btrfs_ioctl_set_received_subvol() -> btrfs_update_root()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	2	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
DATA_SOURCE	0	trans	r btrfs_start_transaction
LOCK2		&fs_info->subvol_sem
TYPE_LOCK		(struct btrfs_fs_info)->subvol_sem

fs/btrfs/ioctl.c btrfs_ioctl_subvol_setflags() -> btrfs_update_root()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	0-ptr_max
PARAM_VALUE	2	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
DATA_SOURCE	0	trans	r btrfs_start_transaction
LOCK2		&fs_info->subvol_sem
TYPE_LOCK		(struct btrfs_fs_info)->subvol_sem

fs/btrfs/extent-tree.c btrfs_drop_snapshot() -> btrfs_update_root()

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	0	trans->transaction	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	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	key	4096-ptr_max
PARAM_VALUE	3	item	4096-ptr_max
BUF_SIZE	3	item	439
HALF_LOCKED2		&fs_info->cleaner_mutex