btrfs_alloc_ordered_extent identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/ordered-data.h, line 192 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/ordered-data.c, line 300 (as a function)

Referenced in 2 files:

Smatch caller information:

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

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.full	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->fs_info->delalloc_bytes.lock.dep_map->name	0-255
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delalloc_roots.next->next	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delalloc_roots.next->prev	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delalloc_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delalloc_roots.prev->prev	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delayed_iput_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delayed_iputs_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->delayed_iputs_wait.head.prev->next->next	4096-ptr_max
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_roots.prev->next->prev	6140170182684090368
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->reclaim_bgs.prev->prev	4096-ptr_max
PARAM_VALUE	0	inode->block_rsv.space_info->fs_info->unused_bgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->block_rsv.space_info->tickets.prev->next	643370198843097104
PARAM_VALUE	0	inode->block_rsv.space_info->tickets.prev->next->next	4096-ptr_max
PARAM_VALUE	0	inode->extent_tree.lock.dep_map->name	0-255
PARAM_VALUE	0	inode->extent_tree.lock.owner	(-1)
PARAM_VALUE	0	inode->extent_tree.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->extent_tree.root.rb_node	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->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->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->root->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner	(-1)
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	inode->root->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	inode->root->fs_info->sb->s_cop->inode_info_offs	1632,1720,2632,2648
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
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	file_offset	0-9223372036854775806,9223372036854775808-u64max
PARAM_VALUE	2	file_extent	9045001117140705280
PARAM_VALUE	2	file_extent->compression	1-3
PARAM_VALUE	3	flags	3072
CAPPED_DATA	0	inode->block_rsv.space_info	1
CAPPED_DATA	1	file_offset	1
CAPPED_DATA	1	file_offset	1
CAPABLE	0	21
BIT_INFO	0	inode->flags	0x0,0xfffffffe
BIT_INFO	1	file_offset	0x0,0x7fffffffffffffff
BIT_INFO	1	file_offset	0x0,0x7fffffffffffffff
NOSPEC	1	file_offset
NOSPEC	1	file_offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	file_offset	0-1000000000[c]
UNITS	1	file_offset	unit_byte

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

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->extent_tree.lock.dep_map->name	0-255
PARAM_VALUE	0	inode->extent_tree.lock.owner	(-1)
PARAM_VALUE	0	inode->extent_tree.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->extent_tree.root.rb_node	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->root	4096-ptr_max
PARAM_VALUE	0	inode->root->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->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	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->defrag_inodes_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner	(-1)
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	inode->root->fs_info->fs_devices	4096-ptr_max
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->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_parent	0,4672,5297,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-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_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
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	0	inode->vfs_inode.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_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	inode->vfs_inode.i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	2	file_extent	5481417379550052352
PARAM_VALUE	2	file_extent->compression	0
PARAM_VALUE	3	flags	128
CAPPED_DATA	0	inode->root	1
DATA_SOURCE	0	inode	$0
DATA_SOURCE	1	file_offset	$4
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	inode->file_extent_tree->inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	1	file_offset
UNITS	1	file_offset	unit_byte

fs/btrfs/inode.c nocow_one_range() -> btrfs_alloc_ordered_extent()

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->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->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->cleaner_kthread->kcov->mode	0-4294967295
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->kcov->remote	0-1
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->kcov->remote_size	0-4294967295
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->kcov_remote->mode	0-4294967295
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->kcov_remote->remote	0-1
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->kcov_remote->remote_size	0-4294967295
PARAM_VALUE	0	inode->root->fs_info->cleaner_kthread->thread_pid->attr->exit_code	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->global_root_lock.dep_map->name	0-255
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->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_parent	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	inode->vfs_inode.i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	1	file_offset	0-18446744073709551614
PARAM_VALUE	2	file_extent	3747493208079597592
PARAM_VALUE	3	flags	256,512
CAPPED_DATA	0	inode->root	1
CAPPED_DATA	1	file_offset	1
CAPPED_DATA	1	file_offset	1
DATA_SOURCE	0	inode	$0
DATA_SOURCE	1	file_offset	$4
FUZZY_MAX	3	flags	512
BIT_INFO	3	flags	0x0,0x300
HARD_MAX	3	flags	512
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	file_offset
UNITS	1	file_offset	unit_byte
HALF_LOCKED2		&mapping->invalidate_lock

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

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->extent_tree.lock.dep_map->name	0-255
PARAM_VALUE	0	inode->extent_tree.lock.owner	(-1)
PARAM_VALUE	0	inode->extent_tree.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->extent_tree.root.rb_node	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->root	4096-ptr_max
PARAM_VALUE	0	inode->root->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->root->fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner	(-1)
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.owner_cpu	u32max
PARAM_VALUE	0	inode->root->fs_info->evictable_extent_maps.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	inode->root->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	2	file_extent	8085370156473171968
PARAM_VALUE	3	flags	1024
UNITS	1	file_offset	unit_byte
HALF_LOCKED2		&pool->lock

fs/btrfs/direct-io.c btrfs_create_dio_extent() -> btrfs_alloc_ordered_extent()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	2	file_extent	4682966125592195072,8156464548804816896
PARAM_VALUE	3	flags	0,4096-u32max
DATA_SOURCE	0	inode	$0
DATA_SOURCE	1	file_offset	$2
DATA_SOURCE	2	file_extent	$3
BIT_INFO	3	flags	0x1000,0xffffffff
NOSPEC	1	file_offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	file_offset	0-u64max
UNITS	1	file_offset	unit_byte
HALF_LOCKED2		&inode->i_rwsem