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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/extent-tree.c __btrfs_free_extent() -> lookup_extent_backref()

Type Parameter Key Value
PARAM_VALUE 0 trans 4096-ptr_max
PARAM_VALUE 0 trans->aborted 0
PARAM_VALUE 0 trans->fs_info 4096-ptr_max
PARAM_VALUE 0 trans->fs_info->block_group_cache_lock.dep_map->name 0-255
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->global_root_lock.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->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 path 1-u64max
PARAM_VALUE 2 ref_ret 5989062713610928128
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans->pending_snapshot (-1),208
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 path r btrfs_alloc_path
DATA_SOURCE 7 owner r btrfs_delayed_ref_owner
DATA_SOURCE 8 offset r btrfs_delayed_ref_offset
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
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->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 0 trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS 3 bytenr unit_byte
UNITS 4 num_bytes unit_byte
UNITS 5 parent unit_byte
UNITS 6 root_objectid unit_byte
USER_PTR 0 trans->pending_snapshot->inherit
HALF_LOCKED2 &cow->lock
HALF_LOCKED2 &fs_info->reloc_mutex
HALF_LOCKED2 &href->mutex

fs/btrfs/extent-tree.c check_ref_exists() -> lookup_extent_backref()

Type Parameter Key Value
PARAM_VALUE 0 trans 0-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->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->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 1 path 1-u64max
PARAM_VALUE 2 ref_ret 5804377717772623872
PARAM_VALUE 7 owner 0-254,u64max
PARAM_VALUE 8 offset 0
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans (-1),1-s32max
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 path r btrfs_alloc_path
DATA_SOURCE 3 bytenr $2
DATA_SOURCE 5 parent $3
DATA_SOURCE 7 owner $4
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
UNITS 3 bytenr unit_byte
UNITS 4 num_bytes unit_byte
UNITS 5 parent unit_byte
UNITS 7 owner unit_byte
LOCK2 &fs_info->cleaner_mutex
HALF_LOCKED2 &next->lock
HALF_LOCKED2 &node->lock
TYPE_LOCK (struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK (struct extent_buffer)->lock