btrfs_copy_root identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/ctree.h, line 571 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/ctree.c, line 243 (as a function)

Referenced in 2 files:

Smatch caller information:

fs/btrfs/relocation.c create_reloc_root() -> btrfs_copy_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->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->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	3	cow_ret	6590273878902927360
PARAM_VALUE	4	new_root_objectid	18446744073709551608
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans->block_rsv	(-1),120
BUF_SIZE	0	trans->pending_snapshot	(-1),208
BUF_SIZE	1	root	(-1),2888
BUF_SIZE	1	root	(-1),2888
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
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	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

fs/btrfs/relocation.c create_reloc_root() -> btrfs_copy_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->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->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	3	cow_ret	6590273878902927360
PARAM_VALUE	4	new_root_objectid	18446744073709551608
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans->block_rsv	(-1),120
BUF_SIZE	0	trans->pending_snapshot	(-1),208
BUF_SIZE	1	root	(-1),2888
BUF_SIZE	1	root	(-1),2888
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	root	$1
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	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

fs/btrfs/transaction.c create_pending_snapshot() -> btrfs_copy_root()

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	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
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->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->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->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->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->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->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	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->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	0
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->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	root->node	4096-ptr_max
PARAM_VALUE	1	root->node->lock.dep_map->name	0-255
PARAM_VALUE	1	root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	root->node->lock.first_waiter->list.next	2624917664208203776
PARAM_VALUE	1	root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	root->node->lock.osq.tail.counter	0-s32max
PARAM_VALUE	1	root->node->refs.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	2	buf->lock.dep_map->name	0-255
PARAM_VALUE	2	buf->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	2	buf->lock.first_waiter->list.next	2624917664208203776
PARAM_VALUE	2	buf->lock.first_waiter->type	0-1
PARAM_VALUE	2	buf->lock.osq.tail.counter	0-s32max
PARAM_VALUE	2	buf->refs.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	3	cow_ret	1821443220067717120
PARAM_VALUE	4	new_root_objectid	0-18446744073709551359
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
CAPPED_DATA	1	root	1
CAPPED_DATA	1	root->node	1
CAPPED_DATA	2	buf	1
DATA_SOURCE	0	trans	$0
RX_PATH
TASK_NOT_RUNNING
USER_PTR	0	trans->pending_snapshot->inherit
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