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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/btrfs/extent-tree.c btrfs_lookup_extent_info() -> btrfs_find_delayed_ref_head()

Type Parameter Key Value
PARAM_VALUE 0 fs_info 4096-ptr_max
PARAM_VALUE 0 fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 1 delayed_refs 4096-ptr_max
PARAM_VALUE 1 delayed_refs->lock.rlock.dep_map->name 0-255
BUF_SIZE 1 delayed_refs 296
DATA_SOURCE 0 fs_info $1
DATA_SOURCE 2 bytenr $2
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 2 bytenr
UNITS 0 fs_info unit_byte
UNITS 2 bytenr unit_byte
LOCK2 1 &delayed_refs->lock
HALF_LOCKED2 &cow->lock
HALF_LOCKED2 &eb->lock
HALF_LOCKED2 &fs_info->cleaner_mutex
TYPE_LOCK (struct btrfs_delayed_ref_root)->lock

fs/btrfs/extent-tree.c check_delayed_ref() -> btrfs_find_delayed_ref_head()

Type Parameter Key Value
PARAM_VALUE 0 fs_info 4096-ptr_max
PARAM_VALUE 0 fs_info->running_transaction 4096-ptr_max
PARAM_VALUE 0 fs_info->running_transaction->delayed_refs.lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 fs_info->trans_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 delayed_refs 4096-ptr_max
PARAM_VALUE 1 delayed_refs->lock.rlock.dep_map->name 0-255
BUF_SIZE 1 delayed_refs 296
DATA_SOURCE 2 bytenr $3
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 fs_info unit_byte
UNITS 2 bytenr unit_byte
LOCK2 1 &delayed_refs->lock
TYPE_LOCK (struct btrfs_delayed_ref_root)->lock

fs/btrfs/extent-tree.c check_ref_cleanup() -> btrfs_find_delayed_ref_head()

Type Parameter Key Value
PARAM_VALUE 0 fs_info 4096-ptr_max
PARAM_VALUE 1 delayed_refs 4096-ptr_max
PARAM_VALUE 1 delayed_refs->lock.rlock.dep_map->name 0-255
BUF_SIZE 1 delayed_refs 296
DATA_SOURCE 2 bytenr $1
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 2 bytenr
UNITS 0 fs_info unit_byte
UNITS 2 bytenr unit_byte
LOCK2 1 &delayed_refs->lock
HALF_LOCKED2 &buf->lock
HALF_LOCKED2 &cow->lock
HALF_LOCKED2 &fs_info->cleaner_mutex
HALF_LOCKED2 &fs_info->qgroup_ioctl_lock
HALF_LOCKED2 &fs_info->subvol_sem
HALF_LOCKED2 &trans->fs_info->commit_root_sem
HALF_LOCKED2 &trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2 &trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2 &trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2 &trans->fs_info->qgroup_lock
HALF_LOCKED2 &trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 &trans->transaction->delayed_refs.lock
TYPE_LOCK (struct btrfs_delayed_ref_root)->lock

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

Type Parameter Key Value
PARAM_VALUE 0 fs_info 4096-ptr_max
PARAM_VALUE 0 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 0 fs_info->global_root_lock.dep_map->name 0-255
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 1 delayed_refs 4096-ptr_max
PARAM_VALUE 1 delayed_refs->lock.rlock.dep_map->name 0-255
BUF_SIZE 1 delayed_refs 296
DATA_SOURCE 2 bytenr $2
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 fs_info unit_byte
UNITS 2 bytenr unit_byte
LOCK2 &fs_info->cleaner_mutex
LOCK2 1 &delayed_refs->lock
HALF_LOCKED2 &next->lock
HALF_LOCKED2 &node->lock
TYPE_LOCK (struct btrfs_delayed_ref_root)->lock
TYPE_LOCK (struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK (struct extent_buffer)->lock

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

Type Parameter Key Value
PARAM_VALUE 0 fs_info 4096-ptr_max
PARAM_VALUE 0 fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent 0,4672,5297,4573560380487,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE 0 fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 fs_info->commit_root_sem.first_waiter->type 0-1
PARAM_VALUE 0 fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 1 delayed_refs 4096-ptr_max
PARAM_VALUE 1 delayed_refs->lock.rlock.dep_map->name 0-255
BUF_SIZE 0 fs_info (-1),11312
BUF_SIZE 0 fs_info (-1),11312
BUF_SIZE 1 delayed_refs 296
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 2 bytenr
UNITS 0 fs_info unit_byte
UNITS 2 bytenr unit_byte
LOCK2 1 &delayed_refs->lock
HALF_LOCKED2 0 &fs_info->commit_root_sem
TYPE_LOCK (struct btrfs_delayed_ref_root)->lock