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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/extent-tree.c do_walk_down() -> maybe_drop_reference()

Type Parameter Key Value
PARAM_VALUE 0 trans 0-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->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->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 root 4096-ptr_max
PARAM_VALUE 1 root->fs_info 4096-ptr_max
PARAM_VALUE 1 root->fs_info->block_group_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->block_group_root->node->lock.first_waiter->type 0-1
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->chunk_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->chunk_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->fs_info->dev_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->dev_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 1 root->fs_info->quota_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->quota_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->fs_info->stripe_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->stripe_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->fs_info->tree_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->tree_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->node->lock.first_waiter->type 0-1
PARAM_VALUE 2 path 4096-ptr_max
PARAM_VALUE 2 path->locks 4096-ptr_max
PARAM_VALUE 2 path->nodes 4096-ptr_max
PARAM_VALUE 2 path->slots 4096-ptr_max
PARAM_VALUE 2 *path->locks 0-255
PARAM_VALUE 3 wc 4096-ptr_max
PARAM_VALUE 3 wc->flags 4096-ptr_max
PARAM_VALUE 3 wc->keep_locks 0-1
PARAM_VALUE 3 wc->level 0-255
PARAM_VALUE 3 wc->lookup_info 0
PARAM_VALUE 3 wc->refs 4096-ptr_max
PARAM_VALUE 3 wc->shared_level (-1)-254
PARAM_VALUE 3 wc->stage 1-2
PARAM_VALUE 3 wc->update_ref 0-1
PARAM_VALUE 4 next 4096-ptr_max
PARAM_VALUE 4 next->lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 4 next->lock.first_waiter->type 0-1
PARAM_VALUE 4 next->lock.osq.tail.counter 0-s32max
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 3 wc 208
CAPPED_DATA 4 next 1
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 root $1
DATA_SOURCE 2 path $2
DATA_SOURCE 3 wc $3
DATA_SOURCE 4 next r btrfs_find_create_tree_block
FUZZY_MAX 3 wc->stage 2
HARD_MAX 3 wc->keep_locks 1
RX_PATH
TASK_NOT_RUNNING
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
LOCK2 &fs_info->cleaner_mutex
LOCK2 4 &next->lock
HALF_LOCKED2 &next->lock
HALF_LOCKED2 &node->lock
TYPE_LOCK (struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK (struct extent_buffer)->lock