btrfs_init_free_space_ctl 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/free-space-cache.h, line 126 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/free-space-cache.c, line 2950 (as a function)

Referenced in 3 files:

Smatch caller information:

fs/btrfs/free-space-cache.c load_free_space_cache() -> btrfs_init_free_space_ctl()

Type	Parameter	Key	Value
PARAM_VALUE	0	block_group	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.dep_map->name	0-255
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.wait_lock.owner	(-1)
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	block_group->fs_info->mount_opt	4096-u64max
PARAM_VALUE	1	ctl	2308521935435767808
PARAM_VALUE	1	ctl->block_group	0
DATA_SOURCE	0	block_group	$0
NOCHECK_CALL
LOCK2		&caching_ctl->mutex
LOCK2		&fs_info->commit_root_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_caching_control)->mutex
TYPE_LOCK		(struct btrfs_fs_info)->commit_root_sem

fs/btrfs/tests/btrfs-tests.c btrfs_alloc_dummy_block_group() -> btrfs_init_free_space_ctl()

Type	Parameter	Key	Value
PARAM_VALUE	0	block_group	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->free_space_ctl	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->allocated_ebs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->allocated_roots.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->async_submit_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->async_submit_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->balance_ctl	0
PARAM_VALUE	0	block_group->fs_info->balance_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->balance_wait_q.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->balance_wait_q.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->bg_reclaim_threshold	75
PARAM_VALUE	0	block_group->fs_info->block_group_cache_lock.magic	3736018669
PARAM_VALUE	0	block_group->fs_info->block_group_cache_lock.owner	(-1)
PARAM_VALUE	0	block_group->fs_info->block_group_cache_lock.owner_cpu	u32max
PARAM_VALUE	0	block_group->fs_info->buffer_tree.xa_flags	33
PARAM_VALUE	0	block_group->fs_info->buffer_tree.xa_head	0
PARAM_VALUE	0	block_group->fs_info->caching_block_groups.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->caching_block_groups.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->chunk_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->chunk_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->chunk_block_rsv.type	3
PARAM_VALUE	0	block_group->fs_info->chunk_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->cleaner_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->cleanup_work_sem.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->commit_interval	30
PARAM_VALUE	0	block_group->fs_info->commit_root_sem.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->compress_type	1
PARAM_VALUE	0	block_group->fs_info->csum_size	4
PARAM_VALUE	0	block_group->fs_info->data_alloc_cluster.block_group_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->data_alloc_cluster.block_group_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dead_roots.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dead_roots.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->defrag_running.counter	0
PARAM_VALUE	0	block_group->fs_info->delalloc_root_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delalloc_roots.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delalloc_roots.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delayed_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->delayed_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->delayed_block_rsv.type	5
PARAM_VALUE	0	block_group->fs_info->delayed_iputs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delayed_iputs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delayed_iputs_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delayed_iputs_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->delayed_refs_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->delayed_refs_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->delayed_refs_rsv.type	6
PARAM_VALUE	0	block_group->fs_info->dev_replace.lock_finishing_cancel_unmount.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dev_replace.replace_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dev_replace.replace_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dirty_cowonly_roots.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->dirty_cowonly_roots.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->discard_ctl.delay_ms	1000
PARAM_VALUE	0	block_group->fs_info->discard_ctl.iops_limit	1000
PARAM_VALUE	0	block_group->fs_info->discard_ctl.kbps_limit	0
PARAM_VALUE	0	block_group->fs_info->discard_ctl.max_discard_size	67108864
PARAM_VALUE	0	block_group->fs_info->empty_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->empty_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->empty_block_rsv.type	8
PARAM_VALUE	0	block_group->fs_info->excluded_extents.fs_info	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->excluded_extents.inode	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->excluded_extents.owner	1
PARAM_VALUE	0	block_group->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->fs_roots_radix.xa_flags	2080
PARAM_VALUE	0	block_group->fs_info->fs_roots_radix.xa_head	0
PARAM_VALUE	0	block_group->fs_info->fully_remapped_bgs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->fully_remapped_bgs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->global_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->global_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->global_block_rsv.type	0
PARAM_VALUE	0	block_group->fs_info->global_root_lock.magic	3736018669
PARAM_VALUE	0	block_group->fs_info->global_root_lock.owner	(-1)
PARAM_VALUE	0	block_group->fs_info->global_root_lock.owner_cpu	u32max
PARAM_VALUE	0	block_group->fs_info->mapping_tree_lock.magic	3736018669
PARAM_VALUE	0	block_group->fs_info->mapping_tree_lock.owner	(-1)
PARAM_VALUE	0	block_group->fs_info->mapping_tree_lock.owner_cpu	u32max
PARAM_VALUE	0	block_group->fs_info->max_extent_size	134217728
PARAM_VALUE	0	block_group->fs_info->max_inline	2048
PARAM_VALUE	0	block_group->fs_info->meta_alloc_cluster.block_group_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->meta_alloc_cluster.block_group_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->metadata_ratio	0
PARAM_VALUE	0	block_group->fs_info->nodesize	0-65536
PARAM_VALUE	0	block_group->fs_info->ordered_operations_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->ordered_roots.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->ordered_roots.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->qgroup_drop_subtree_thres	3
PARAM_VALUE	0	block_group->fs_info->qgroup_ioctl_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->qgroup_rescan_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->qgroup_rescan_running	0
PARAM_VALUE	0	block_group->fs_info->qgroup_seq	1
PARAM_VALUE	0	block_group->fs_info->reclaim_bgs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->reclaim_bgs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->reclaim_bgs_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->reloc_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->remap_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->remap_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->remap_block_rsv.type	4
PARAM_VALUE	0	block_group->fs_info->remap_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->ro_block_group_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->scrub_lock.first_waiter	0
PARAM_VALUE	0	block_group->fs_info->scrub_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->scrub_pause_req.counter	0
PARAM_VALUE	0	block_group->fs_info->scrub_pause_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->scrub_pause_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->scrubs_paused.counter	0
PARAM_VALUE	0	block_group->fs_info->scrubs_running.counter	0
PARAM_VALUE	0	block_group->fs_info->sectorsize_bits	0-31,u32max
PARAM_VALUE	0	block_group->fs_info->space_info.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->space_info.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->subvol_sem.first_waiter	0
PARAM_VALUE	0	block_group->fs_info->subvol_sem.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->super_copy	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->thread_pool_size	0-8
PARAM_VALUE	0	block_group->fs_info->trans_block_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->trans_block_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->trans_block_rsv.type	2
PARAM_VALUE	0	block_group->fs_info->trans_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->trans_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_blocked_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_blocked_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_kthread_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_throttle.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_throttle.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_wait.head.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->transaction_wait.head.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->tree_log_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->tree_mod_log_lock.magic	3736018669
PARAM_VALUE	0	block_group->fs_info->tree_mod_log_lock.owner	(-1)
PARAM_VALUE	0	block_group->fs_info->tree_mod_log_lock.owner_cpu	u32max
PARAM_VALUE	0	block_group->fs_info->tree_mod_seq.counter	0
PARAM_VALUE	0	block_group->fs_info->tree_mod_seq_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->tree_mod_seq_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.failfast	0
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.full	0
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.reserved	0
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.size	0
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.space_info	0
PARAM_VALUE	0	block_group->fs_info->treelog_rsv.type	7
PARAM_VALUE	0	block_group->fs_info->unused_bg_unpin_mutex.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->unused_bgs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->unused_bgs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->use_bitmap	5830349486870900736
PARAM_VALUE	0	block_group->fs_info->zone_active_bgs.next	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->zone_active_bgs.prev	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->zoned_data_reloc_io_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->fs_info->zoned_meta_io_lock.magic	4096-ptr_max
PARAM_VALUE	0	block_group->full_stripe_len	0-u32max
PARAM_VALUE	0	block_group->list.next	4096-ptr_max
PARAM_VALUE	0	block_group->list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->start	0
PARAM_VALUE	1	ctl	4096-ptr_max
BUF_SIZE	0	block_group	984
BUF_SIZE	0	block_group->free_space_ctl	320
BUF_SIZE	0	block_group->fs_info	11312
BUF_SIZE	1	ctl	320
CAPPED_DATA	0	block_group->fs_info->csums_per_leaf	1
CAPPED_DATA	0	block_group->fs_info->nodesize	1
DATA_SOURCE	0	block_group	r _kzalloc_noprof
DATA_SOURCE	1	ctl	r _kzalloc_noprof
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	block_group->fs_info->nodesize
NO_OVERFLOW_SIMPLE	0	block_group->fs_info->sectorsize
NO_OVERFLOW_SIMPLE	0	block_group->full_stripe_len

fs/btrfs/block-group.c btrfs_create_block_group() -> btrfs_init_free_space_ctl()

Type	Parameter	Key	Value
PARAM_VALUE	0	block_group	4096-ptr_max
PARAM_VALUE	0	block_group->active_bg_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->active_bg_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->active_bg_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->active_bg_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->active_bg_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->bg_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->cluster_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->data_rwsem.count.counter	0
PARAM_VALUE	0	block_group->data_rwsem.dep_map->name	0-255
PARAM_VALUE	0	block_group->data_rwsem.first_waiter	0
PARAM_VALUE	0	block_group->data_rwsem.magic	4096-ptr_max
PARAM_VALUE	0	block_group->data_rwsem.osq.tail.counter	0
PARAM_VALUE	0	block_group->data_rwsem.owner.counter	0
PARAM_VALUE	0	block_group->dirty_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->dirty_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->dirty_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->dirty_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->dirty_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->discard_index	0
PARAM_VALUE	0	block_group->discard_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->discard_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->discard_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->discard_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->discard_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->free_space_ctl	1-u64max
PARAM_VALUE	0	block_group->fs_info	4096-ptr_max
PARAM_VALUE	0	block_group->full_stripe_len	0-18446744073709486080
PARAM_VALUE	0	block_group->io_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->io_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->io_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->io_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->io_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->list.next	4096-ptr_max
PARAM_VALUE	0	block_group->list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->list.prev->prev	4096-ptr_max
PARAM_VALUE	0	block_group->refs.refs.counter	1
PARAM_VALUE	0	block_group->ro_list.next	4096-ptr_max
PARAM_VALUE	0	block_group->ro_list.next->next	4096-ptr_max
PARAM_VALUE	0	block_group->ro_list.prev	4096-ptr_max
PARAM_VALUE	0	block_group->ro_list.prev->next	4096-ptr_max
PARAM_VALUE	0	block_group->ro_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctl	1-u64max
DATA_SOURCE	0	block_group	r kmem_cache_alloc_noprof
DATA_SOURCE	1	ctl	r kmem_cache_alloc_noprof
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->chunk_mutex