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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

fs/btrfs/inode.c __btrfs_prealloc_file_range() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 1 ram_bytes 1-u64max
PARAM_VALUE 2 num_bytes 1-u64max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 6 ins 3376356739667886080
PARAM_VALUE 7 is_data 1
PARAM_VALUE 8 delalloc 0
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 2 num_bytes 1
CAPPED_DATA 2 num_bytes 1
DATA_SOURCE 3 min_alloc_size $4
NOSPEC 1 ram_bytes
NOSPEC 2 num_bytes
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 ram_bytes 1-268435455[c]
USER_DATA 2 num_bytes 1-268435455[c]
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte
UNITS 5 hint_byte unit_byte

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

Type Parameter Key Value
PARAM_VALUE 0 root 4096-ptr_max
PARAM_VALUE 0 root->fs_info 4096-ptr_max
PARAM_VALUE 0 root->fs_info->sectorsize_bits 12-16
PARAM_VALUE 1 ram_bytes 0-u32max
PARAM_VALUE 2 num_bytes 0-u32max
PARAM_VALUE 3 min_alloc_size 0-u32max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 5 hint_byte 0
PARAM_VALUE 6 ins 572538630218977280
PARAM_VALUE 7 is_data 1
PARAM_VALUE 8 delalloc 1
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 2 num_bytes 1
CAPPED_DATA 2 num_bytes 1
CAPPED_DATA 3 min_alloc_size 1
CAPPED_DATA 3 min_alloc_size 1
CAPABLE 0 21
BIT_INFO 1 ram_bytes 0x0,0x1ffffffff
BIT_INFO 2 num_bytes 0x0,0x1ffffffff
BIT_INFO 3 min_alloc_size 0x0,0x1ffffffff
NOSPEC 1 ram_bytes
NOSPEC 2 num_bytes
NOSPEC 3 min_alloc_size
RX_PATH
TASK_NOT_RUNNING
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte

fs/btrfs/inode.c cow_one_range() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 0 root 4096-ptr_max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 6 ins 4914725209325498368
PARAM_VALUE 7 is_data 1
PARAM_VALUE 8 delalloc 1
DATA_SOURCE 1 ram_bytes $5
DATA_SOURCE 2 num_bytes $5
DATA_SOURCE 3 min_alloc_size $6
DATA_SOURCE 5 hint_byte $7
DATA_SOURCE 6 ins $2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte
UNITS 5 hint_byte unit_byte

fs/btrfs/inode.c submit_one_async_extent() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 0 root 4096-ptr_max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 5 hint_byte 0-18446744073709551614
PARAM_VALUE 6 ins 1835372290860830720
PARAM_VALUE 7 is_data 1
PARAM_VALUE 8 delalloc 1
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte
HALF_LOCKED2 &pool->lock

fs/btrfs/direct-io.c btrfs_new_extent_direct() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 0 root 4096-ptr_max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 6 ins 8822500524165402624
PARAM_VALUE 7 is_data 1
PARAM_VALUE 8 delalloc 1
CAPPED_DATA 0 root 1
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 1 ram_bytes 1
CAPPED_DATA 2 num_bytes 1
CAPPED_DATA 2 num_bytes 1
DATA_SOURCE 1 ram_bytes $3
DATA_SOURCE 2 num_bytes $3
DATA_SOURCE 5 hint_byte r btrfs_get_extent_allocation_hint
NOSPEC 1 ram_bytes
NOSPEC 1 ram_bytes
NOSPEC 2 num_bytes
NOSPEC 2 num_bytes
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 ram_bytes 0-s32max[c]
USER_DATA 2 num_bytes 0-s32max[c]
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte
HALF_LOCKED2 &inode->i_rwsem

fs/btrfs/relocation.c do_remap_reloc_trans() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 3 min_alloc_size 0-u32max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 5 hint_byte 0
PARAM_VALUE 6 ins 1198369616043765760
PARAM_VALUE 8 delalloc 0
UNITS 3 min_alloc_size unit_byte
LOCK2 &fs_info->remap_mutex
TYPE_LOCK (struct btrfs_fs_info)->remap_mutex

fs/btrfs/relocation.c move_existing_remap() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 3 min_alloc_size 0-u32max
PARAM_VALUE 4 empty_size 0
PARAM_VALUE 5 hint_byte 0
PARAM_VALUE 6 ins 8355899127484170240
PARAM_VALUE 8 delalloc 0
DATA_SOURCE 1 ram_bytes $4
DATA_SOURCE 2 num_bytes $4
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte

fs/btrfs/extent-tree.c btrfs_alloc_tree_block() -> btrfs_reserve_extent()

Type Parameter Key Value
PARAM_VALUE 0 root 4096-ptr_max
PARAM_VALUE 0 root->fs_info 4096-ptr_max
PARAM_VALUE 0 root->fs_info->block_group_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->block_group_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->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 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 0 root->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 root->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 root->fs_info->chunk_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->chunk_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->fs_info->commit_root_sem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->commit_root_sem.first_waiter->type 0-1
PARAM_VALUE 0 root->fs_info->dev_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->dev_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->fs_info->quota_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->quota_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE 0 root->fs_info->stripe_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->stripe_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->fs_info->tree_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->fs_info->tree_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 root->reloc_root->fs_info->tree_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 root->reloc_root->fs_info->tree_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 4 empty_size 0-u32max
PARAM_VALUE 6 ins 5705959676871270400
PARAM_VALUE 7 is_data 0
PARAM_VALUE 8 delalloc 0
BUF_SIZE 0 root (-1),2880,2888
BUF_SIZE 0 root (-1),2880,2888
CAPPED_DATA 0 root 1
CAPPED_DATA 4 empty_size 1
CAPPED_DATA 4 empty_size 1
DATA_SOURCE 0 root $1
DATA_SOURCE 4 empty_size $7
DATA_SOURCE 5 hint_byte $6
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 root->dirty_log_pages.fs_info->nodesize
NO_OVERFLOW_SIMPLE 0 root->dirty_log_pages.fs_info->sectorsize
NO_OVERFLOW_SIMPLE 0 root->dirty_log_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 0 root->fs_info->nodesize
NO_OVERFLOW_SIMPLE 0 root->fs_info->sectorsize
NO_OVERFLOW_SIMPLE 0 root->log_csum_range.fs_info->nodesize
NO_OVERFLOW_SIMPLE 0 root->log_csum_range.fs_info->sectorsize
NO_OVERFLOW_SIMPLE 0 root->log_csum_range.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 0 root->node->start
NO_OVERFLOW_SIMPLE 0 root->root_item.flags
NO_OVERFLOW_SIMPLE 1 ram_bytes
NO_OVERFLOW_SIMPLE 2 num_bytes
NO_OVERFLOW_SIMPLE 3 min_alloc_size
UNITS 1 ram_bytes unit_byte
UNITS 2 num_bytes unit_byte
UNITS 3 min_alloc_size unit_byte
UNITS 5 hint_byte unit_byte
HALF_LOCKED2 &fs_info->subvol_sem