btrfs_exclop_start 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/fs.h, line 1088 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/fs.c, line 177 (as a function)

Referenced in 5 files:

Smatch caller information:

fs/btrfs/dev-replace.c btrfs_resume_dev_replace_async() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->balance_mutex.dep_map->name	0-255
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->balance_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->block_group_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->block_group_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->caching_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	fs_info->chunk_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->chunk_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->cleaner_mutex.dep_map->name	0-255
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->cleaner_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->cleaner_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->cleanup_work_sem.dep_map->name	0-255
PARAM_VALUE	0	fs_info->cleanup_work_sem.first_waiter->handoff_set	1
PARAM_VALUE	0	fs_info->cleanup_work_sem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	fs_info->cleanup_work_sem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	fs_info->cleanup_work_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->cleanup_work_sem.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->delalloc_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	fs_info->delayed_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	fs_info->dev_replace.rwsem.dep_map->name	0-255
PARAM_VALUE	0	fs_info->dev_replace.rwsem.first_waiter->handoff_set	1
PARAM_VALUE	0	fs_info->dev_replace.rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	fs_info->dev_replace.rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	fs_info->dev_replace.rwsem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->dev_replace.rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->dev_replace.rwsem.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->dev_replace.rwsem.wait_lock.owner	(-1)
PARAM_VALUE	0	fs_info->dev_replace.rwsem.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	fs_info->dev_replace.tgtdev	4096-ptr_max
PARAM_VALUE	0	fs_info->dev_replace.tgtdev->bdev	1-u64max
PARAM_VALUE	0	fs_info->dev_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->dev_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->endio_freespace_worker->limit_active	s32min-4294967295
PARAM_VALUE	0	fs_info->endio_meta_workers->flags	0-4294967295
PARAM_VALUE	0	fs_info->endio_meta_workers->max_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_meta_workers->min_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_meta_workers->saved_max_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_meta_workers->saved_min_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_workers->flags	0-4294967295
PARAM_VALUE	0	fs_info->endio_workers->max_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_workers->min_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_workers->saved_max_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_workers->saved_min_active	s32min-s32max
PARAM_VALUE	0	fs_info->endio_write_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	fs_info->fs_devices->rw_devices	1-u64max
PARAM_VALUE	0	fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->quota_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->quota_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.dep_map->name	0-255
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->sb->s_bdi->wb_switch_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->sb->s_inode_wblist_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.next	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.next->prev	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.next->prev->next	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.prev	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.prev->next	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.prev->next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_inodes_wb.prev->prev	4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_sync_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->sb->s_sync_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->sb->s_sync_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->stripe_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->stripe_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->transaction_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	fs_info->transaction_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->accounting_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->tree_root->fs_info->allocated_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->allocated_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->tree_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.next->prev	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->dirty_cowonly_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->fs_info->fs_roots_radix_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->tree_root->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	0	fs_info->tree_root->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	0	fs_info->tree_root->fs_info->qgroup_flags	0,4-u64max
PARAM_VALUE	0	fs_info->tree_root->fs_info->reloc_ctl->refs.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->tree_root->node->fs_info->tree_mod_log.rb_node	4096-ptr_max
PARAM_VALUE	0	fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	fs_info->workers->limit_active	s32min-4294967295
PARAM_VALUE	1	type	5
BUF_SIZE	0	fs_info	1-s32max
BUF_SIZE	0	fs_info	1-s32max
DATA_SOURCE	0	fs_info	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	fs_info	unit_byte

fs/btrfs/volumes.c btrfs_recover_balance() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	1	type	1
DATA_SOURCE	0	fs_info	$0

fs/btrfs/volumes.c relocating_repair_kthread() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->sb	4096-ptr_max
PARAM_VALUE	1	type	2
UNITS	0	fs_info	unit_byte

fs/btrfs/inode.c btrfs_swap_activate() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	1	type	7
CAPABLE	0	21
UNITS	0	fs_info	unit_byte
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

fs/btrfs/block-group.c btrfs_reclaim_block_groups() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->sb	4096-ptr_max
PARAM_VALUE	1	type	2
DATA_SOURCE	0	fs_info	$0
RX_PATH
TASK_NOT_RUNNING

fs/btrfs/ioctl.c btrfs_ioctl_add_dev() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	fs_info->fs_devices->temp_fsid	0
PARAM_VALUE	1	type	3
DATA_SOURCE	0	fs_info	$0
CAPABLE	0	21
UNITS	0	fs_info	unit_byte

fs/btrfs/ioctl.c btrfs_ioctl_dev_replace() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->sb	4096-ptr_max
PARAM_VALUE	1	type	5
DATA_SOURCE	0	fs_info	$0
CAPABLE	0	21
UNITS	0	fs_info	unit_byte

fs/btrfs/ioctl.c btrfs_try_lock_balance() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	1	type	2
DATA_SOURCE	0	fs_info	$0
CAPABLE	0	21
UNITS	0	fs_info	unit_byte

fs/btrfs/ioctl.c exclop_start_or_cancel_reloc() -> btrfs_exclop_start()

Type	Parameter	Key	Value
PARAM_VALUE	1	type	4,6
DATA_SOURCE	0	fs_info	$0
DATA_SOURCE	1	type	$1
CAPABLE	0	21
HARD_MAX	1	type	6
UNITS	0	fs_info	unit_byte