btrfs_tree_read_unlock 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/locking.h, line 191 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/locking.c, line 167 (as a function)

Referenced in 6 files:

Smatch caller information:

fs/btrfs/qgroup.c btrfs_tree_unlock_rw() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
DATA_SOURCE	0	eb	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&eb->lock
HALF_LOCKED2		&fs_info->cleaner_mutex
HALF_LOCKED2		&root_eb->lock

fs/btrfs/tree-mod-log.c btrfs_get_old_root() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
CAPPED_DATA	0	eb	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/tree-mod-log.c btrfs_get_old_root() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->nodesize	0-65536
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb	1
DATA_SOURCE	0	eb	r read_tree_block
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/tree-mod-log.c btrfs_get_old_root() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
CAPPED_DATA	0	eb	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/tree-mod-log.c btrfs_get_old_root() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->nodesize	0-65536
PARAM_VALUE	0	eb->fs_info->tree_mod_log_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
CAPPED_DATA	0	eb	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/tree-mod-log.c btrfs_tree_mod_log_rewind() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb->start	1
DATA_SOURCE	0	eb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	eb->len
NO_OVERFLOW_SIMPLE	0	eb->start
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/tree-mod-log.c btrfs_tree_mod_log_rewind() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->nodesize	0-65536
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb->start	1
DATA_SOURCE	0	eb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	eb->len
NO_OVERFLOW_SIMPLE	0	eb->start
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/tree-mod-log.c btrfs_tree_mod_log_rewind() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->nodesize	0-65536
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb->start	1
DATA_SOURCE	0	eb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	eb->len
NO_OVERFLOW_SIMPLE	0	eb->start
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/locking.c btrfs_read_lock_root_node() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/locking.c btrfs_tree_unlock_rw() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	1-u64max
DATA_SOURCE	0	eb	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->cleaner_mutex

fs/btrfs/locking.c btrfs_try_read_lock_root_node() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
NOCHECK_CALL
LOCK2	0	&eb->lock
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->commit_root_sem
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/extent-tree.c btrfs_tree_unlock_rw() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
DATA_SOURCE	0	eb	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&fs_info->cleaner_mutex
HALF_LOCKED2		&node->lock
TYPE_LOCK		(struct btrfs_fs_info)->cleaner_mutex

fs/btrfs/ref-verify.c btrfs_tree_unlock_rw() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	1-u64max
DATA_SOURCE	0	eb	$0
NOCHECK_CALL

fs/btrfs/ctree.c btrfs_next_old_leaf() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&caching_ctl->mutex
HALF_LOCKED2		&fs_info->commit_root_sem
HALF_LOCKED2		&fs_info->commit_root_sem
HALF_LOCKED2		&next->lock
HALF_LOCKED2		&pool->lock

fs/btrfs/ctree.c btrfs_search_slot_get_root() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->refs.refs.counter	(-1073741824),0-s32max
CAPPED_DATA	0	eb	1
NOCHECK_CALL
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->commit_root_sem

fs/btrfs/ctree.c btrfs_tree_unlock_rw() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	1-u64max
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb	1
DATA_SOURCE	0	eb	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/ctree.c read_block_for_search() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/backref.c add_missing_keys() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.bio_counter.lock.owner	(-1)
PARAM_VALUE	0	eb->fs_info->dev_replace.bio_counter.lock.owner_cpu	u32max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb	1
DATA_SOURCE	0	eb	r read_tree_block
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&eb->lock
HALF_LOCKED2		&fs_info->commit_root_sem
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/backref.c btrfs_ref_to_path() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	eb->start

fs/btrfs/backref.c find_parent_nodes() -> btrfs_tree_read_unlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	eb	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.bio_counter.lock.owner	(-1)
PARAM_VALUE	0	eb->fs_info->dev_replace.bio_counter.lock.owner_cpu	u32max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->dev_replace.replace_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	eb->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	eb->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	eb->lock.dep_map->name	0-255
PARAM_VALUE	0	eb->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	eb->lock.first_waiter->type	0-1
CAPPED_DATA	0	eb	1
DATA_SOURCE	0	eb	r read_tree_block
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&eb->lock
TYPE_LOCK		(struct extent_buffer)->lock