btrfs_try_granting_tickets 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/space-info.h, line 314 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/space-info.c, line 590 (as a function)

Referenced in 4 files:

Smatch caller information:

fs/btrfs/space-info.c btrfs_add_bg_to_space_info() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
HALF_LOCKED2		&fs_info->chunk_mutex
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/space-info.c btrfs_return_free_space() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->dev_replace.rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	space_info->fs_info->dev_replace.rwsem.first_waiter->type	0-1
PARAM_VALUE	0	space_info->fs_info->global_block_rsv.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	space_info	1
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	space_info->bytes_may_use
LOCK2	0	&space_info->lock
HALF_LOCKED2		&fs_info->unused_bg_unpin_mutex
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/space-info.c maybe_fail_all_tickets() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	space_info	1
CAPPED_DATA	0	space_info->tickets_id	1
CAPPED_DATA	0	&space_info->tickets	1
DATA_SOURCE	0	space_info	$0
PARAM_COMPARE	0	&space_info->tickets	!= $0->tickets.next
PREEMPT_ADD
NOCHECK_CALL
LOCK2	0	&space_info->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/space-info.c priority_reclaim_data_space() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->full	1
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	space_info->priority_tickets.prev->next->next	4096-ptr_max
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/space-info.c priority_reclaim_metadata_space() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->balance_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->fs_info->fs_devices	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->priority_tickets.prev->next	643370198843097104
PARAM_VALUE	0	space_info->priority_tickets.prev->next->next	4096-ptr_max
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/block-rsv.c btrfs_space_info_free_bytes_may_use() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
HALF_LOCKED2		&delayed_node->mutex
HALF_LOCKED2		&fs_info->chunk_mutex
HALF_LOCKED2		&fs_info->commit_root_sem
HALF_LOCKED2		&fs_info->fs_devices->device_list_mutex
HALF_LOCKED2		&fs_info->fs_roots_radix_lock
HALF_LOCKED2		&fs_info->qgroup_ioctl_lock
HALF_LOCKED2		&fs_info->qgroup_lock
HALF_LOCKED2		&fs_info->subvol_sem
HALF_LOCKED2		&fs_info->unused_bg_unpin_mutex
HALF_LOCKED2		&node->mutex
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/block-rsv.c btrfs_update_global_block_rsv() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&block_rsv->lock
LOCK2	0	&space_info->lock
HALF_LOCKED2		&fs_info->chunk_mutex
TYPE_LOCK		(struct btrfs_block_rsv)->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/block-group.c btrfs_add_reserved_bytes() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	space_info->bytes_reserved
LOCK2		&space_info->groups_sem
LOCK2	0	&space_info->lock
HALF_LOCKED2		&fs_info->remap_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_space_info)->groups_sem
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/block-group.c btrfs_free_reserved_bytes() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->max_extent_size	0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	space_info->bytes_readonly
NO_OVERFLOW_SIMPLE	0	space_info->bytes_reserved
NO_OVERFLOW_SIMPLE	0	space_info->bytes_zone_unusable
LOCK2	0	&space_info->lock
HALF_LOCKED2		&fs_info->remap_mutex
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/delalloc-space.c btrfs_space_info_free_bytes_may_use() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
HALF_LOCKED2		&tree->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/transaction.c btrfs_space_info_free_bytes_may_use() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2	0	&space_info->lock
TYPE_LOCK		(struct btrfs_space_info)->lock

fs/btrfs/delayed-ref.c btrfs_space_info_free_bytes_may_use() -> btrfs_try_granting_tickets()

Type	Parameter	Key	Value
PARAM_VALUE	0	space_info	4096-ptr_max
PARAM_VALUE	0	space_info->clamp	s32min-8
PARAM_VALUE	0	space_info->flush	1
PARAM_VALUE	0	space_info->fs_info->delalloc_bytes.lock.dep_map->name	0-255
PARAM_VALUE	0	space_info->fs_info->delalloc_root_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	space_info->fs_info->delalloc_root_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	space_info->fs_info->delalloc_root_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	space_info->fs_info->delalloc_root_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	space_info->fs_info->delalloc_root_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	space_info->fs_info->delalloc_roots.next->next	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->delalloc_roots.next->prev	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->delalloc_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->delalloc_roots.prev->prev	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->delayed_iput_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->fs_info->delayed_iputs_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->delayed_iputs_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->fs_devices->device_list_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	space_info->fs_info->fs_devices->per_profile_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->fs_info->ordered_bytes.lock.dep_map->name	0-255
PARAM_VALUE	0	space_info->fs_info->ordered_operations_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	space_info->fs_info->ordered_operations_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	space_info->fs_info->ordered_operations_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	space_info->fs_info->ordered_operations_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	space_info->fs_info->ordered_operations_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	space_info->fs_info->ordered_roots.prev->next->prev	6140170182684090368
PARAM_VALUE	0	space_info->fs_info->reclaim_bgs.prev->prev	4096-ptr_max
PARAM_VALUE	0	space_info->fs_info->reclaim_bgs_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	space_info->fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	space_info->fs_info->reclaim_bgs_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	space_info->fs_info->reclaim_bgs_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	space_info->fs_info->unused_bgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	space_info->tickets.prev->next	643370198843097104
PARAM_VALUE	0	space_info->tickets.prev->next->next	4096-ptr_max
CAPPED_DATA	0	space_info	1
DATA_SOURCE	0	space_info	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&space_info->lock
HALF_LOCKED2		&dev_replace->lock_finishing_cancel_unmount
HALF_LOCKED2		&fs_info->cleaner_mutex
HALF_LOCKED2		&fs_info->subvol_sem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_space_info)->lock