btrfs_mark_bg_unused identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/block-group.h, line 356 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/block-group.c, line 1864 (as a function)

Referenced in 7 files:

Smatch caller information:

fs/btrfs/volumes.c balance_remap_chunks() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->pinned	0
PARAM_VALUE	0	bg->remap_bytes	0
PARAM_VALUE	0	bg->reserved	0
PARAM_VALUE	0	bg->used	0
NOCHECK_CALL

fs/btrfs/scrub.c scrub_enumerate_chunks() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->reserved	0
PARAM_VALUE	0	bg->ro	0
PARAM_VALUE	0	bg->used	0
DATA_SOURCE	0	bg	r btrfs_lookup_block_group
NOCHECK_CALL

fs/btrfs/free-space-cache.c __btrfs_add_free_space_zoned() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->data_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	bg->data_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	bg->free_space_ctl	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->tree_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	bg->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	bg->fs_info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	bg->fs_info->zone_size	1-u64max
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
BUF_SIZE	0	bg->fs_info	(-1),11312
CAPPED_DATA	0	bg	1
CAPPED_DATA	0	bg->length	1
CAPPED_DATA	0	bg->zone_unusable	1
DATA_SOURCE	0	bg	$0
PARAM_COMPARE	0	bg->length	== $0->zone_unusable
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	bg->alloc_offset
NO_OVERFLOW_SIMPLE	0	bg->fs_info->nodesize
NO_OVERFLOW_SIMPLE	0	bg->fs_info->sectorsize
NO_OVERFLOW_SIMPLE	0	bg->full_stripe_len
LOCK2	0	&bg->lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&space_info->groups_sem
TYPE_LOCK		(struct btrfs_block_group)->lock

fs/btrfs/free-space-cache.c btrfs_trim_fully_remapped_block_group() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->unused_bgs_lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	&bg->bg_list	1
DATA_SOURCE	0	bg	$0
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

fs/btrfs/relocation.c adjust_block_group_remap_bytes() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->remap_bytes	0
PARAM_VALUE	0	bg->used	0
DATA_SOURCE	0	bg	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&fs_info->remap_mutex
TYPE_LOCK		(struct btrfs_fs_info)->remap_mutex

fs/btrfs/block-group.c btrfs_create_pending_block_groups() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->pinned	0
PARAM_VALUE	0	bg->remap_bytes	0
PARAM_VALUE	0	bg->reserved	0
PARAM_VALUE	0	bg->space_info->block_group_kobjs	4096-ptr_max
PARAM_VALUE	0	bg->used	0
CAPPED_DATA	0	bg	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/block-group.c btrfs_reclaim_block_group() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->fs_info	4096-ptr_max
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->pinned	0
PARAM_VALUE	0	bg->reserved	0
PARAM_VALUE	0	bg->ro	0
PARAM_VALUE	0	bg->space_info	4096-ptr_max
PARAM_VALUE	0	bg->space_info->groups_sem.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->type	0-1
PARAM_VALUE	0	bg->space_info->groups_sem.osq.tail.counter	0-s32max
PARAM_VALUE	0	bg->space_info->groups_sem.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->groups_sem.wait_lock.owner	(-1)
PARAM_VALUE	0	bg->space_info->groups_sem.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	bg->space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->used	0
DATA_SOURCE	0	bg	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&fs_info->reclaim_bgs_lock
LOCK2		&space_info->groups_sem
LOCK2		&space_info->lock
LOCK2	0	&bg->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_block_group)->lock
TYPE_LOCK		(struct btrfs_fs_info)->reclaim_bgs_lock
TYPE_LOCK		(struct btrfs_space_info)->groups_sem
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/block-group.c btrfs_update_block_group() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->sb->s_cop->inode_info_offs	1632,1720,2632,2648
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->size_class	0
PARAM_VALUE	0	bg->space_info	4096-ptr_max
PARAM_VALUE	0	bg->space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->used	0
CAPPED_DATA	0	&bg->dirty_list	1
DATA_SOURCE	0	bg	r btrfs_lookup_block_group
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/block-group.c read_one_block_group() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->active_bg_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->active_bg_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->active_bg_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.next	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->cache_node.__rb_parent_color	1
PARAM_VALUE	0	bg->cache_node.rb_left	4096-ptr_max
PARAM_VALUE	0	bg->cache_node.rb_right	4096-ptr_max
PARAM_VALUE	0	bg->cluster_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->cluster_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->cluster_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->data_rwsem.dep_map->name	0-255
PARAM_VALUE	0	bg->dirty_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->block_group	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->block_group->fs_info	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->cache_writeout_mutex.dep_map->name	0-255
PARAM_VALUE	0	bg->free_space_ctl->cache_writeout_mutex.magic	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->extents_thresh	157
PARAM_VALUE	0	bg->free_space_ctl->trimming_ranges.next	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->trimming_ranges.next->next	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->trimming_ranges.prev	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->trimming_ranges.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->free_space_ctl->trimming_ranges.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->free_space_lock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->block_group_cache_lock.owner	(-1)
PARAM_VALUE	0	bg->fs_info->block_group_cache_lock.owner_cpu	u32max
PARAM_VALUE	0	bg->fs_info->block_group_cache_tree.rb_leftmost	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->block_group_cache_tree.rb_root.rb_node	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	bg->io_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->io_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->io_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->remap_bytes	0
PARAM_VALUE	0	bg->ro_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->ro_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->ro_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->space_info	4096-ptr_max
PARAM_VALUE	0	bg->space_info->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->groups_sem.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->handoff_set	1
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	bg->space_info->groups_sem.first_waiter->type	0-1
PARAM_VALUE	0	bg->space_info->groups_sem.osq.tail.counter	0-s32max
PARAM_VALUE	0	bg->space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->start	0-18446744073709551614
PARAM_VALUE	0	bg->used	0
CAPPED_DATA	0	bg->start	1
CAPPED_DATA	0	&bg->bg_list	1
DATA_SOURCE	0	bg	r btrfs_create_block_group
PARAM_COMPARE	0	&bg->bg_list	== $0->bg_list.next
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	bg->free_space_ctl->block_group->full_stripe_len

fs/btrfs/extent-tree.c btrfs_complete_bg_remapping() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->bg_list.next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.next->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.prev->next->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.prev->next->prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_inodes.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	bg->fs_info->tree_root->delalloc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extent_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extent_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extents.next->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extents.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extents.prev->next->next	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->ordered_extents.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->tree_root->qgroup_meta_rsv_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->unused_bgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bg->space_info->lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	&bg->bg_list	1
DATA_SOURCE	0	bg	$0
NOCHECK_CALL

fs/btrfs/discard.c btrfs_discard_purge_list() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->used	0
CAPPED_DATA	0	&bg->discard_list	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/discard.c btrfs_finish_discard_pass() -> btrfs_mark_bg_unused()

Type	Parameter	Key	Value
PARAM_VALUE	0	bg	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.next->next	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.next->prev	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bg->discard_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.timer.is_hard	0-1
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.timer.is_lazy	0-1
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.timer.is_queued	0-1
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.timer.is_soft	0-1
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.work.entry.next->next	1-u64max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.work.entry.prev->prev	1-u64max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.work.flags	0-4294967295
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.work.is_queued	0-1
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.work.lockdep_map->name	0-255
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	bg->fs_info->discard_ctl.work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	*bg->fs_info->discard_ctl.work.timer->entry.pprev	4096-ptr_max
CAPPED_DATA	0	bg	1
DATA_SOURCE	0	bg	$1
NOCHECK_CALL
HALF_LOCKED2		&pool->lock