btrfs_create_chunk identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/volumes.h, line 744 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/volumes.c, line 6180 (as a function)

Referenced in 2 files:

Smatch caller information:

fs/btrfs/volumes.c btrfs_remove_chunk() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->tickets.prev	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->chunk_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->delayed_refs_rsv.full	0
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->fs_devices->device_list_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_block_rsv.full	1
PARAM_VALUE	0	trans->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->force_alloc	2
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->profiles_lock.seqcount.seqcount.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->ref_verify_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->new_bgs.prev->next	4096-ptr_max
PARAM_VALUE	0	trans->new_bgs.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	0	trans->transaction->dirty_pages.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->dirty_pages.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev	4096-ptr_max
PARAM_VALUE	0	trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev	4096-ptr_max
PARAM_VALUE	1	space_info	4096-ptr_max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	r btrfs_find_space_info
DATA_SOURCE	2	type	r btrfs_system_alloc_profile
RX_PATH
TASK_NOT_RUNNING
LOCK2		&fs_info->chunk_mutex
HALF_LOCKED2		&fs_info->reclaim_bgs_lock
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex
TYPE_LOCK		(struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/volumes.c init_first_rw_device() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	1	space_info	4096-ptr_max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	r btrfs_find_space_info
DATA_SOURCE	2	type	r btrfs_metadata_alloc_profile
CAPABLE	0	21
LOCK2		&fs_info->chunk_mutex
LOCK2		&sb->s_umount
LOCK2		global &uuid_mutex
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex
TYPE_LOCK		(struct super_block)->s_umount

fs/btrfs/volumes.c init_first_rw_device() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->delayed_refs_rsv.full	0
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_block_rsv.full	1
PARAM_VALUE	0	trans->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->force_alloc	2
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.raw_lock.wlocked	0
PARAM_VALUE	0	trans->fs_info->profiles_lock.seqcount.seqcount.dep_map->name	0-255
PARAM_VALUE	0	trans->new_bgs.prev	4096-ptr_max
PARAM_VALUE	0	trans->new_bgs.prev->next	4096-ptr_max
PARAM_VALUE	0	trans->new_bgs.prev->next->next	4096-ptr_max
PARAM_VALUE	1	space_info	4096-ptr_max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
BUF_SIZE	0	trans	(-1),4,24,64,168-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	r btrfs_find_space_info
DATA_SOURCE	2	type	r btrfs_system_alloc_profile
CAPABLE	0	21
PARAM_COMPARE	0	&trans->fs_info->fs_devices->alloc_list	!= $0->fs_info->fs_devices->alloc_list.next
LOCK2		&fs_info->chunk_mutex
LOCK2		&sb->s_umount
LOCK2		global &uuid_mutex
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex
TYPE_LOCK		(struct super_block)->s_umount

fs/btrfs/block-group.c do_chunk_alloc() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->tickets.prev	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->chunk_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->delayed_refs_rsv.full	0
PARAM_VALUE	0	trans->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_block_rsv.full	1
PARAM_VALUE	0	trans->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->force_alloc	2
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->profiles_lock.seqcount.seqcount.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->new_bgs.prev->next	4096-ptr_max
PARAM_VALUE	0	trans->new_bgs.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	1	space_info	4096-ptr_max
PARAM_VALUE	1	space_info->chunk_alloc	1
PARAM_VALUE	1	space_info->full	0
PARAM_VALUE	1	space_info->lock.rlock.dep_map->name	0-255
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	$1
DATA_SOURCE	2	type	$2
BIT_INFO	2	type	0x0,0xfffffffffffffffd
BIT_INFO	2	type	0x0,0xfffffffffffffffd
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	space_info->bytes_may_use
LOCK2		&fs_info->chunk_mutex
HALF_LOCKED2		&fs_info->ro_block_group_mutex
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex

fs/btrfs/block-group.c do_chunk_alloc() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->priority_tickets.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->chunk_block_rsv.space_info->tickets.prev	643370198843097104
PARAM_VALUE	0	trans->fs_info->chunk_mutex.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	trans->fs_info->chunk_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	trans->fs_info->chunk_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->delayed_refs_rsv.full	0
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_block_rsv.full	1
PARAM_VALUE	0	trans->fs_info->global_block_rsv.reserved	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.size	0-536870912
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->force_alloc	2
PARAM_VALUE	0	trans->fs_info->global_block_rsv.space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->profiles_lock.seqcount.seqcount.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->new_bgs.prev->next	4096-ptr_max
PARAM_VALUE	0	trans->new_bgs.prev->next->next	4096-ptr_max
PARAM_VALUE	0	trans->transaction->aborted	s32min-(-27),(-17),(-12),(-5),(-2)
PARAM_VALUE	1	space_info	4096-ptr_max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	r btrfs_find_space_info
DATA_SOURCE	2	type	r btrfs_system_alloc_profile
RX_PATH
TASK_NOT_RUNNING
LOCK2		&fs_info->chunk_mutex
HALF_LOCKED2		&fs_info->ro_block_group_mutex
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex

fs/btrfs/block-group.c reserve_chunk_space() -> btrfs_create_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	trans	4096-ptr_max
PARAM_VALUE	0	trans->fs_info	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	trans->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	1	space_info	4096-ptr_max
BUF_SIZE	0	trans	(-1),1-s32max
BUF_SIZE	0	trans	(-1),1-s32max
DATA_SOURCE	0	trans	$0
DATA_SOURCE	1	space_info	r btrfs_find_space_info
DATA_SOURCE	2	type	r btrfs_system_alloc_profile
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
LOCK2		&fs_info->chunk_mutex
TYPE_LOCK		(struct btrfs_fs_info)->chunk_mutex