btrfs_may_alloc_data_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 function:

fs/btrfs/volumes.c, line 3809 (as a function)

Referenced in 1 files:

fs/btrfs/volumes.c

Smatch caller information:

fs/btrfs/volumes.c __btrfs_balance() -> btrfs_may_alloc_data_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->balance_cancel_req.counter	0
PARAM_VALUE	0	fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->balance_mutex.dep_map->name	0-255
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->balance_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->balance_pause_req.counter	0
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	fs_info->scrub_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->scrub_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->scrub_lock.first_waiter->list.prev->prev	5159360019465732096
BUF_SIZE	0	fs_info	(-1),128
BUF_SIZE	0	fs_info	(-1),128
BUF_SIZE	0	fs_info->balance_ctl	(-1),440
CAPPED_DATA	0	&fs_info->reclaim_bgs_lock	1
DATA_SOURCE	0	fs_info	$0
USER_DATA	0	fs_info->balance_ctl->data.devid	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.flags	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.limit	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.limit_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.limit_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.pend	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.profiles	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.pstart	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.stripes_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.stripes_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.target	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.usage	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.usage_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.usage_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->data.vend	0-u64max
USER_DATA	0	fs_info->balance_ctl->data.vstart	0-u64max
USER_DATA	0	fs_info->balance_ctl->flags	0-2046
USER_DATA	0	fs_info->balance_ctl->meta.devid	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.flags	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.limit	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.limit_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.limit_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.pend	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.profiles	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.pstart	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.stripes_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.stripes_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.target	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.usage	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.usage_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.usage_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->meta.vend	0-u64max
USER_DATA	0	fs_info->balance_ctl->meta.vstart	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.devid	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.flags	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.limit	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.limit_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.limit_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.pend	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.profiles	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.pstart	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.stripes_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.stripes_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.target	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.usage	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.usage_max	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.usage_min	0-u32max
USER_DATA	0	fs_info->balance_ctl->sys.vend	0-u64max
USER_DATA	0	fs_info->balance_ctl->sys.vstart	0-u64max
UNITS	0	fs_info	unit_byte
UNITS	1	chunk_offset	unit_byte
LOCK2	0	&fs_info->reclaim_bgs_lock
TYPE_LOCK		(struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/volumes.c btrfs_shrink_device() -> btrfs_may_alloc_data_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->chunk_mutex.dep_map->name	0-255
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	fs_info->chunk_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	fs_info->chunk_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->dev_root->fs_info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->dev_root->qgroup_meta_rsv_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner_cpu	u32max
CAPPED_DATA	0	&fs_info->chunk_mutex	1
CAPPED_DATA	0	&fs_info->reclaim_bgs_lock	1
DATA_SOURCE	1	chunk_offset	r btrfs_dev_extent_chunk_offset
CAPABLE	0	21
UNITS	0	fs_info	unit_byte
LOCK2	0	&fs_info->reclaim_bgs_lock
TYPE_LOCK		(struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/volumes.c relocating_repair_kthread() -> btrfs_may_alloc_data_chunk()

Type	Parameter	Key	Value
PARAM_VALUE	0	fs_info	4096-ptr_max
PARAM_VALUE	0	fs_info->block_group_cache_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->exclusive_operation	2
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	fs_info->reclaim_bgs_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	fs_info->sb	4096-ptr_max
PARAM_VALUE	0	fs_info->super_lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	&fs_info->reclaim_bgs_lock	1
CAPPED_DATA	1	chunk_offset	1
CAPPED_DATA	1	chunk_offset	1
UNITS	0	fs_info	unit_byte
UNITS	1	chunk_offset	unit_byte
LOCK2	0	&fs_info->reclaim_bgs_lock
TYPE_LOCK		(struct btrfs_fs_info)->reclaim_bgs_lock