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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/file.c btrfs_page_mkwrite() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->flags 2-u32max
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->handoff_set 1
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->type 0-1
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.owner (-1)
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 inode->io_tree.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->io_tree.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->io_tree.inode->root->fs_info->delalloc_bytes.lock.raw_lock.val.counter 0-s32max
PARAM_VALUE 0 inode->io_tree.lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 inode->root->fs_info->trans_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->zone_size 1-u64max
PARAM_VALUE 0 inode->root->qgroup_meta_rsv_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_sb 4096-ptr_max
CAPPED_DATA 0 inode->vfs_inode.i_mapping 1
CAPPED_DATA 0 &inode->i_mmap_lock 1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/file.c btrfs_page_mkwrite() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->flags 2-u32max
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->handoff_set 1
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->type 0-1
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.owner (-1)
PARAM_VALUE 0 inode->i_mmap_lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 inode->io_tree.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->io_tree.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 inode->root->fs_info->trans_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->zone_size 1-u64max
PARAM_VALUE 0 inode->vfs_inode.i_sb 4096-ptr_max
CAPPED_DATA 0 &inode->i_mmap_lock 1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/file.c copy_one_range() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->block_rsv.space_info->chunk_alloc 0-1
PARAM_VALUE 0 inode->block_rsv.space_info->clamp s32min-8
PARAM_VALUE 0 inode->block_rsv.space_info->flush 1
PARAM_VALUE 0 inode->block_rsv.space_info->force_alloc 0-4294967295
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->delalloc_bytes.lock.dep_map->name 0-255
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->delalloc_root_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->ordered_bytes.lock.dep_map->name 0-255
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->ordered_operations_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 inode->block_rsv.space_info->full 0-1
PARAM_VALUE 0 inode->block_rsv.space_info->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->block_rsv.space_info->priority_tickets.prev->next 643370198843097104
PARAM_VALUE 0 inode->block_rsv.space_info->tickets.prev->next 643370198843097104
PARAM_VALUE 0 inode->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->ordered_tree_last 1-u64max
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1720,2632,2648
PARAM_VALUE 0 inode->root->fs_info->trans_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->qgroup_meta_rsv_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_mapping 4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,2632,2648
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->encode_fh 0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 inode->vfs_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 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->fh_to_parent 0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->get_parent 0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 *inode->block_rsv->space_info->fs_info->delalloc_bytes.lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 *inode->block_rsv->space_info->fs_info->ordered_bytes.lock.owner (-4611686018427387904)-4611686018427387903
CAPPED_DATA 0 inode->vfs_inode.i_mapping 1
DATA_SOURCE 0 inode $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 inode->csum_bytes
HALF_LOCKED2 &pool->lock

fs/btrfs/file.c release_space() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->block_rsv.space_info->chunk_alloc 0-1
PARAM_VALUE 0 inode->block_rsv.space_info->clamp s32min-s32max
PARAM_VALUE 0 inode->block_rsv.space_info->flush 0-1
PARAM_VALUE 0 inode->block_rsv.space_info->force_alloc 0-4294967295
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->delalloc_bytes.lock.owner (-1)
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->delalloc_bytes.lock.owner_cpu 4294967295
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->ordered_bytes.lock.owner (-1)
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->ordered_bytes.lock.owner_cpu 4294967295
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->tree_root->reloc_root->dirty_log_pages.owner 0,6
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->tree_root->reloc_root->log_csum_range.owner 0,8
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->tree_root->reloc_root->log_transid_committed (-1)
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->tree_root->reloc_root->refs.refs.counter (-1073741824),0-s32max
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->tree_root->reloc_root->root_key.type 132
PARAM_VALUE 0 inode->block_rsv.space_info->fs_info->unused_bgs.prev->next 4762261445979717632
PARAM_VALUE 0 inode->block_rsv.space_info->full 0-1
PARAM_VALUE 0 inode->block_rsv.space_info->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->block_rsv.space_info->priority_tickets.prev->next 643370198843097104
PARAM_VALUE 0 inode->block_rsv.space_info->tickets.prev 643370198843097104
PARAM_VALUE 0 inode->io_tree.inode->root->fs_info->delalloc_bytes.lock.raw_lock.val.counter 0-s32max
PARAM_VALUE 0 inode->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->commit_root_sem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->root->fs_info->commit_root_sem.first_waiter->type 0-1
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 inode->root->qgroup_meta_rsv_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_mapping 4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->empty_dir 0,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->get_context 0,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,2632,2648
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->set_context 0,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->encode_fh 0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->fh_to_dentry 0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->fh_to_parent 0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_export_op->get_parent 0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 *inode->block_rsv->space_info->fs_info->delalloc_bytes.lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 *inode->block_rsv->space_info->fs_info->ordered_bytes.lock.owner (-4611686018427387904)-4611686018427387903
DATA_SOURCE 0 inode $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 inode->csum_bytes
HALF_LOCKED2 &pool->lock

fs/btrfs/file.c reserve_space() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->flags 2-u32max
PARAM_VALUE 0 inode->io_tree.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->io_tree.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 inode->root->fs_info->trans_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->zone_size 1-u64max
PARAM_VALUE 0 inode->root->qgroup_meta_rsv_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_mapping 4096-ptr_max
DATA_SOURCE 0 inode $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &pool->lock

fs/btrfs/inode.c btrfs_truncate_block() -> btrfs_check_nocow_unlock()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->flags 2-u32max
PARAM_VALUE 0 inode->io_tree.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->io_tree.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 0 inode->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->block_group_cache_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->global_root_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 inode->root->fs_info->zone_size 1-u64max
PARAM_VALUE 0 inode->root->qgroup_meta_rsv_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_mapping 4096-ptr_max
CAPPED_DATA 0 inode->vfs_inode.i_mapping 1
DATA_SOURCE 0 inode $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL