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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/extent_io.c alloc_extent_buffer() -> check_buffer_tree_ref()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->folios 4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &fs_info->cleaner_mutex
HALF_LOCKED2 &fs_info->commit_root_sem

fs/btrfs/extent_io.c alloc_test_extent_buffer() -> check_buffer_tree_ref()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->folio_shift 12
PARAM_VALUE 0 eb->folio_size 4096
PARAM_VALUE 0 eb->fs_info 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->allocated_ebs.next->next 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->allocated_ebs.next->prev 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->eb_leak_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 eb->fs_info->nodesize 0-65536
PARAM_VALUE 0 eb->leak_list.next 4096-ptr_max
PARAM_VALUE 0 eb->leak_list.prev 4096-ptr_max
PARAM_VALUE 0 eb->len 0-65536
PARAM_VALUE 0 eb->lock.count.counter 0
PARAM_VALUE 0 eb->lock.dep_map->name 0-255
PARAM_VALUE 0 eb->lock.first_waiter 0
PARAM_VALUE 0 eb->lock.magic 4096-ptr_max
PARAM_VALUE 0 eb->lock.osq.tail.counter 0
PARAM_VALUE 0 eb->lock.owner.counter 0
PARAM_VALUE 0 eb->refs.refs.counter 1
PARAM_VALUE 0 eb->writeback_inhibitors.counter 0
BUF_SIZE 0 eb->fs_info (-1),11312
CAPPED_DATA 0 eb 1
DATA_SOURCE 0 eb r alloc_dummy_extent_buffer
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 eb->fs_info->nodesize
NO_OVERFLOW_SIMPLE 0 eb->fs_info->sectorsize
NO_OVERFLOW_SIMPLE 0 eb->len
NO_OVERFLOW_SIMPLE 0 eb->start

fs/btrfs/extent_io.c mark_extent_buffer_accessed() -> check_buffer_tree_ref()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->refs.refs.counter (-1073741824),0-s32max
DATA_SOURCE 0 eb $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/extent_io.c read_extent_buffer_pages_nowait() -> check_buffer_tree_ref()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->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 eb->fs_info->remap_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 eb->fs_info->remap_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->fs_info->stripe_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 eb->fs_info->stripe_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 eb->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->read_mirror 0
BUF_SIZE 0 eb (-1)-s32max
BUF_SIZE 0 eb (-1)-s32max
CAPPED_DATA 0 eb 1
DATA_SOURCE 0 eb $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &fs_info->cleaner_mutex
HALF_LOCKED2 0 &eb->lock

fs/btrfs/extent_io.c set_extent_buffer_dirty() -> check_buffer_tree_ref()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->fs_info 4096-ptr_max
PARAM_VALUE 0 eb->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 eb->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 eb->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 eb->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 eb->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 eb->lock.first_waiter->type 0-1
BUF_SIZE 0 eb (-1),1-s32max
BUF_SIZE 0 eb (-1),1-s32max
CAPPED_DATA 0 eb 1
DATA_SOURCE 0 eb $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 eb->len
NO_OVERFLOW_SIMPLE 0 eb->start
HALF_LOCKED2 &cow->lock
HALF_LOCKED2 &eb->lock
HALF_LOCKED2 &fs_info->cleaner_mutex
HALF_LOCKED2 &fs_info->remap_mutex
HALF_LOCKED2 &fs_info->subvol_sem
HALF_LOCKED2 &leaf->lock
HALF_LOCKED2 &left->lock
HALF_LOCKED2 &right->lock
HALF_LOCKED2 &split->lock
HALF_LOCKED2 0 &eb->lock