Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

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

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->root 4096-ptr_max
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
PARAM_VALUE 3 noflush 0
RX_PATH
TASK_NOT_RUNNING

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

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->root 4096-ptr_max
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_mapping 4096-ptr_max
DATA_SOURCE 0 inode $0
DATA_SOURCE 3 noflush $4
BIT_INFO 3 noflush 0x0,0x0
RX_PATH
TASK_NOT_RUNNING
USER_DATA 3 noflush 0-1[c]
HALF_LOCKED2 &pool->lock

fs/btrfs/inode.c btrfs_do_encoded_write() -> btrfs_delalloc_reserve_metadata()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
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->ordered_tree_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root 4096-ptr_max
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->vfs_inode.i_mapping 4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->vfs_inode.i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 num_bytes 0-5294967294
PARAM_VALUE 2 disk_num_bytes 0-u32max
PARAM_VALUE 3 noflush 0
CAPPED_DATA 0 inode->vfs_inode.i_size 1
CAPPED_DATA 1 num_bytes 1
CAPPED_DATA 1 num_bytes 1
CAPPED_DATA 2 disk_num_bytes 1
CAPPED_DATA 2 disk_num_bytes 1
CAPABLE 0 21
BIT_INFO 0 inode->flags 0x0,0xfffffffe
BIT_INFO 2 disk_num_bytes 0x0,0x1ffffffff
NOSPEC 1 num_bytes
NOSPEC 1 num_bytes
NOSPEC 2 disk_num_bytes
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 num_bytes 0-5294967294[c]
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte

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

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->root 4096-ptr_max
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_mapping 4096-ptr_max
PARAM_VALUE 3 noflush 0
DATA_SOURCE 0 inode $0
RX_PATH
TASK_NOT_RUNNING
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte

fs/btrfs/direct-io.c btrfs_get_blocks_direct_write() -> btrfs_delalloc_reserve_metadata()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
BIT_INFO 3 noflush 0x0,0x0
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte

fs/btrfs/direct-io.c btrfs_get_blocks_direct_write() -> btrfs_delalloc_reserve_metadata()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 3 noflush 0
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte

fs/btrfs/relocation.c relocate_one_folio() -> btrfs_delalloc_reserve_metadata()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 3 noflush 0
RX_PATH
TASK_NOT_RUNNING
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte
LOCK2 &fs_info->cleaner_mutex
HALF_LOCKED2 &fs_info->reclaim_bgs_lock
TYPE_LOCK (struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK (struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/delalloc-space.c btrfs_delalloc_reserve_space() -> btrfs_delalloc_reserve_metadata()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->i_mmap_lock.first_waiter->type 0-1
PARAM_VALUE 0 inode->root 4096-ptr_max
PARAM_VALUE 0 inode->root->delalloc_inodes.prev->next->next 4096-ptr_max
PARAM_VALUE 0 inode->root->delalloc_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->delalloc_mutex.dep_map->name 0-255
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->task->blocked_on 0
PARAM_VALUE 0 inode->root->delalloc_mutex.first_waiter->task->usage.refs.counter s32min-s32max
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->delayed_iput_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->delayed_iputs_wait.head.prev->next 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->delayed_iputs_wait.head.prev->next->next 4096-ptr_max
PARAM_VALUE 0 inode->root->fs_info->qgroup_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->fs_info->sb->s_cop->inode_info_offs 1632,1808,2632,2648
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->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->ordered_extent_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->ordered_extent_mutex.dep_map->name 0-255
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 inode->root->ordered_extent_mutex.first_waiter->task->blocked_on 0
PARAM_VALUE 0 inode->root->ordered_extents.prev->next->next 4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->error_remove_folio 0,373303432983703552,3650281484867371008,6933238642996355072,7934844886813757440
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->free_folio 0,87018317492477952,1576041750683152384,3223952723663937536,4787850423793061888
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->is_dirty_writeback 0,7518438349615988736,8867638692533350400
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->is_partially_uptodate 0,1933474595957665792,7182876493439184896
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->launder_folio 0,122107076755599360,327075084911996928,858079631894568960,7268098942548045824
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->swap_deactivate 0,1546359495696728064,3888069641387622400,7359158453655175168,8604917376913055744
PARAM_VALUE 0 inode->vfs_inode.i_mapping->a_ops->swap_rw 0,4986685196838862848,8487923053812363264
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_op->get_offset_ctx 0,2606890545167454208
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_op->sync_lazytime 0,6951464784224747520
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE 0 inode->vfs_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 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 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE 0 inode->vfs_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 inode->vfs_inode.i_mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->vfs_inode.i_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 inode->vfs_inode.i_op->atomic_open 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->create 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->fiemap 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->fileattr_get 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->fileattr_set 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->get_acl 0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776
PARAM_VALUE 0 inode->vfs_inode.i_op->get_inode_acl 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->get_link 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->get_offset_ctx 0,2606890545167454208
PARAM_VALUE 0 inode->vfs_inode.i_op->getattr 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->link 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->listxattr 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->lookup 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->mkdir 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->mknod 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->permission 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 inode->vfs_inode.i_op->rename 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->rmdir 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->set_acl 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->setattr 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->symlink 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->sync_lazytime 0,6951464784224747520
PARAM_VALUE 0 inode->vfs_inode.i_op->tmpfile 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->unlink 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_op->update_time 0,4096-ptr_max
PARAM_VALUE 0 inode->vfs_inode.i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 inode->vfs_inode.i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 inode->vfs_inode.i_sb->s_cop->empty_dir 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 inode->vfs_inode.i_sb->s_cop->get_context 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 inode->vfs_inode.i_sb->s_cop->set_context 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 0 inode->vfs_inode.i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 3 noflush 0
CAPPED_DATA 0 inode->root 1
DATA_SOURCE 0 inode $0
DATA_SOURCE 1 num_bytes $3
DATA_SOURCE 2 disk_num_bytes $3
NOSPEC 0 inode->vfs_inode.i_mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 inode->defrag_compress 1-3
USER_DATA 0 inode->defrag_compress_level (-15)-15[c]
USER_DATA 0 inode->vfs_inode.i_mapping->writeback_index 0-524287[c]
NO_OVERFLOW_SIMPLE 0 inode->vfs_inode.i_mapping->host->i_bytes
UNITS 1 num_bytes unit_byte
UNITS 2 disk_num_bytes unit_byte
HALF_LOCKED2 0 &inode->vfs_inode.i_rwsem