btrfs_lookup_first_block_group identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/block-group.h, line 327 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/block-group.c, line 298 (as a function)

Referenced in 4 files:

Smatch caller information:

fs/btrfs/free-space-tree.c btrfs_delete_orphan_free_space_entries() -> btrfs_lookup_first_block_group()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->caching_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	info->compress_type	0-15
PARAM_VALUE	0	info->delalloc_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	info->delayed_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	info->endio_freespace_worker->limit_active	s32min-4294967295
PARAM_VALUE	0	info->endio_meta_workers->flags	0-4294967295
PARAM_VALUE	0	info->endio_meta_workers->max_active	s32min-s32max
PARAM_VALUE	0	info->endio_meta_workers->min_active	s32min-s32max
PARAM_VALUE	0	info->endio_meta_workers->saved_max_active	s32min-s32max
PARAM_VALUE	0	info->endio_meta_workers->saved_min_active	s32min-s32max
PARAM_VALUE	0	info->endio_workers->flags	0-4294967295
PARAM_VALUE	0	info->endio_workers->max_active	s32min-s32max
PARAM_VALUE	0	info->endio_workers->min_active	s32min-s32max
PARAM_VALUE	0	info->endio_workers->saved_max_active	s32min-s32max
PARAM_VALUE	0	info->endio_workers->saved_min_active	s32min-s32max
PARAM_VALUE	0	info->endio_write_workers->limit_active	s32min-4294967295
PARAM_VALUE	0	info->fs_devices	4096-ptr_max
PARAM_VALUE	0	info->fs_error	0
PARAM_VALUE	0	info->global_root_lock.dep_map->name	0-255
PARAM_VALUE	0	info->global_root_tree.rb_node	1-u64max
PARAM_VALUE	0	info->mapping_tree_lock.dep_map->name	0-255
PARAM_VALUE	0	info->mount_opt	0,4096-u64max
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.dep_map->name	0-255
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->sb->s_inode_wblist_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->sb->s_inodes_wb.next	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.next->next	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.next->prev	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.next->prev->next	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.prev	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.prev->next	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.prev->next->next	4096-ptr_max
PARAM_VALUE	0	info->sb->s_inodes_wb.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->sb->s_sync_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	info->sb->s_sync_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	info->sb->s_sync_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->super_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->transaction_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_wait.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	info->workers->limit_active	s32min-4294967295
PARAM_VALUE	1	bytenr	0
BUF_SIZE	0	info	1-s32max
BUF_SIZE	0	info	1-s32max
DATA_SOURCE	0	info	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	info	unit_byte

fs/btrfs/block-group.c btrfs_next_block_group() -> btrfs_lookup_first_block_group()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->block_group_cache_lock.dep_map->name	0-255
DATA_SOURCE	1	bytenr	r btrfs_block_group_end
RX_PATH
TASK_NOT_RUNNING
UNITS	0	info	unit_byte

fs/btrfs/block-group.c btrfs_put_block_group_cache() -> btrfs_lookup_first_block_group()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->async_data_reclaim_work.lockdep_map->name	0-255
PARAM_VALUE	0	info->async_reclaim_work.lockdep_map->name	0-255
PARAM_VALUE	0	info->balance_mutex.dep_map->name	0-255
PARAM_VALUE	0	info->balance_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	info->balance_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->balance_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	info->balance_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->cleaner_kthread	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->blocked_on	0
PARAM_VALUE	0	info->cleaner_kthread->cpus_ptr	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	info->cleaner_kthread->dl.dl_timer.base->cpu_base->expires_next	0-s64max
PARAM_VALUE	0	info->cleaner_kthread->dl.dl_timer.base->cpu_base->softirq_expires_next	0-s64max
PARAM_VALUE	0	info->cleaner_kthread->migration_disabled	0-1
PARAM_VALUE	0	info->cleaner_kthread->mm->mm_cid.irq_work.node.a_flags.counter	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->mm->mm_cid.max_cids	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->mm->mm_cid.pcpu_thrs	1-1073741823
PARAM_VALUE	0	info->cleaner_kthread->mm->mm_cid.update_deferred	1
PARAM_VALUE	0	info->cleaner_kthread->on_rq	0-1,3-255
PARAM_VALUE	0	info->cleaner_kthread->pi_lock.owner	(-1)
PARAM_VALUE	0	info->cleaner_kthread->pi_lock.owner_cpu	u32max
PARAM_VALUE	0	info->cleaner_kthread->pi_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->pushable_dl_tasks.__rb_parent_color	1
PARAM_VALUE	0	info->cleaner_kthread->pushable_tasks.prio_list.next->prev	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->rcu.func	1-u64max
PARAM_VALUE	0	info->cleaner_kthread->rcu.next	0
PARAM_VALUE	0	info->cleaner_kthread->rt.run_list.next->next	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->rt.run_list.next->prev	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->rt.run_list.prev->next	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->rt.run_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->saved_state	0
PARAM_VALUE	0	info->cleaner_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	info->cleaner_kthread->sched_task_group->parent	0-s64max
PARAM_VALUE	0	info->cleaner_kthread->sched_task_group->shares	0-s64max
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->propagate	1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->removed.lock.owner	(-1)
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->removed.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->curr->mm->sc_stat.cpu	(-1)
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->curr->pref_llc_queued	0-1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->__state	0,512
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->core_node.__rb_parent_color	1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->dl.inactive_timer.base->clockid	0-1,7,11
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->dl.inactive_timer.base->index	0-7
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->on_rq	0-1,3-255
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->pushable_dl_tasks.__rb_parent_color	1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->rseq.event.ids_changed	1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->sched_migrated	1
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->donor->wake_cpu	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->se.cfs_rq->rq->fair_server.rb_node.__rb_parent_color	1
PARAM_VALUE	0	info->cleaner_kthread->se.group_node.next->next	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->se.group_node.next->prev	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->se.group_node.prev->next	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->se.group_node.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->wake_cpu	0-s32max
PARAM_VALUE	0	info->cleaner_kthread->worker_private	4096-ptr_max
PARAM_VALUE	0	info->cleaner_kthread->worker_private->exited.done	0-4294967293,4294967295
PARAM_VALUE	0	info->cleaner_kthread->worker_private->exited.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->cleaner_kthread->worker_private->exited.wait.lock.owner	(-1)
PARAM_VALUE	0	info->cleaner_kthread->worker_private->exited.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->cleanup_work_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->cleanup_work_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->debug_kobj	0,4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->kset->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->kset->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->debug_kobj->parent	0
PARAM_VALUE	0	info->debug_kobj->parent->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->debug_kobj->sd	0
PARAM_VALUE	0	info->debug_kobj->state_in_sysfs	0
PARAM_VALUE	0	info->defrag_inodes_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->delalloc_bytes.lock.dep_map->name	0-255
PARAM_VALUE	0	info->delalloc_bytes.lock.owner	(-1)
PARAM_VALUE	0	info->delalloc_bytes.lock.owner_cpu	u32max
PARAM_VALUE	0	info->delalloc_root_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->delalloc_roots.next	4096-ptr_max
PARAM_VALUE	0	info->delalloc_roots.next->next	4096-ptr_max
PARAM_VALUE	0	info->delalloc_roots.prev	4096-ptr_max
PARAM_VALUE	0	info->delalloc_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	info->delalloc_roots.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->delalloc_workers	4096-ptr_max
PARAM_VALUE	0	info->delalloc_workers->normal_wq->first_flusher->done.done	0-4294967295
PARAM_VALUE	0	info->delalloc_workers->normal_wq->first_flusher->done.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->delalloc_workers->normal_wq->first_flusher->done.wait.lock.owner	(-1)
PARAM_VALUE	0	info->delalloc_workers->normal_wq->first_flusher->done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->delalloc_workers->normal_wq->flush_color	s32min-s32max
PARAM_VALUE	0	info->delalloc_workers->normal_wq->flusher_overflow.prev->next	2906673126597898240
PARAM_VALUE	0	info->delalloc_workers->normal_wq->flusher_queue.prev->next	2906673126597898240
PARAM_VALUE	0	info->delalloc_workers->normal_wq->nr_pwqs_to_flush.counter	s32min-s32max
PARAM_VALUE	0	info->delalloc_workers->normal_wq->work_color	s32min-s32max
PARAM_VALUE	0	info->delayed_iput_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->delayed_iputs.next	4096-ptr_max
PARAM_VALUE	0	info->dev_replace.item_needs_writeback	1
PARAM_VALUE	0	info->dev_replace.lock_finishing_cancel_unmount.dep_map->name	0-255
PARAM_VALUE	0	info->dev_replace.lock_finishing_cancel_unmount.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->dev_replace.lock_finishing_cancel_unmount.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	info->dev_replace.lock_finishing_cancel_unmount.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->dev_replace.replace_state	4
PARAM_VALUE	0	info->discard_kobj	0,4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->kset->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->kset->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->discard_kobj->parent	0
PARAM_VALUE	0	info->discard_kobj->parent->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->discard_kobj->sd	0
PARAM_VALUE	0	info->discard_kobj->state_in_sysfs	0
PARAM_VALUE	0	info->em_shrinker_work.lockdep_map->name	0-255
PARAM_VALUE	0	info->endio_freespace_worker	4096-ptr_max
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->first_flusher->done.done	0-4294967295
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->first_flusher->done.wait.lock.owner	(-1)
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->first_flusher->done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->flush_color	s32min-s32max
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->flusher_overflow.prev->next	2906673126597898240
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->flusher_queue.prev->next	2906673126597898240
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->nr_pwqs_to_flush.counter	s32min-s32max
PARAM_VALUE	0	info->endio_freespace_worker->normal_wq->work_color	s32min-s32max
PARAM_VALUE	0	info->endio_write_workers	4096-ptr_max
PARAM_VALUE	0	info->endio_write_workers->normal_wq->first_flusher->done.done	0-4294967295
PARAM_VALUE	0	info->endio_write_workers->normal_wq->first_flusher->done.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->endio_write_workers->normal_wq->first_flusher->done.wait.lock.owner	(-1)
PARAM_VALUE	0	info->endio_write_workers->normal_wq->first_flusher->done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->endio_write_workers->normal_wq->flush_color	s32min-s32max
PARAM_VALUE	0	info->endio_write_workers->normal_wq->flusher_overflow.prev->next	2906673126597898240
PARAM_VALUE	0	info->endio_write_workers->normal_wq->flusher_queue.prev->next	2906673126597898240
PARAM_VALUE	0	info->endio_write_workers->normal_wq->nr_pwqs_to_flush.counter	s32min-s32max
PARAM_VALUE	0	info->endio_write_workers->normal_wq->work_color	s32min-s32max
PARAM_VALUE	0	info->fs_devices	4096-ptr_max
PARAM_VALUE	0	info->fs_devices->devices_kobj	0
PARAM_VALUE	0	info->fs_devices->devinfo_kobj	0
PARAM_VALUE	0	info->fs_devices->fsid_kobj.parent->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->fs_devices->fsid_kobj.parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->fs_devices->fsid_kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->fs_devices->fsid_kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->fs_devices->fsid_kobj.sd->attr.notify_next	0,426918848001064960
PARAM_VALUE	0	info->fs_devices->kobj_unregister.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->fs_devices->kobj_unregister.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	info->fs_root->fs_info->sb->s_cop->empty_dir	0,86,4096-ptr_max
PARAM_VALUE	0	info->fs_root->fs_info->sb->s_cop->get_context	0,706,4096-ptr_max
PARAM_VALUE	0	info->fs_root->fs_info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE	0	info->fs_root->fs_info->sb->s_cop->set_context	0,67,4096-ptr_max
PARAM_VALUE	0	info->ordered_bytes.lock.dep_map->name	0-255
PARAM_VALUE	0	info->ordered_bytes.lock.owner	(-1)
PARAM_VALUE	0	info->ordered_bytes.lock.owner_cpu	u32max
PARAM_VALUE	0	info->ordered_operations_mutex.dep_map->name	0-255
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	info->ordered_operations_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	info->ordered_operations_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->ordered_root_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->ordered_roots.next->next	4096-ptr_max
PARAM_VALUE	0	info->ordered_roots.prev->next	4096-ptr_max
PARAM_VALUE	0	info->ordered_roots.prev->next->next	4096-ptr_max
PARAM_VALUE	0	info->ordered_roots.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->preempt_reclaim_work.lockdep_map->name	0-255
PARAM_VALUE	0	info->qgroup_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->qgroup_rescan_lock.dep_map->name	0-255
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	info->qgroup_rescan_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	info->qgroup_rescan_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->qgroup_tree.rb_node	0,4096-ptr_max
PARAM_VALUE	0	info->qgroups_kobj	0
PARAM_VALUE	0	info->reclaim_bgs_work.lockdep_map->name	0-255
PARAM_VALUE	0	info->sb	4096-ptr_max
PARAM_VALUE	0	info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	info->scrub_lock.dep_map->name	0-255
PARAM_VALUE	0	info->scrub_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	info->scrub_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->scrub_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	info->scrub_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->space_info_kobj	0,4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->kset->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->kset->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->space_info_kobj->parent	0
PARAM_VALUE	0	info->space_info_kobj->parent->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	info->space_info_kobj->sd	0
PARAM_VALUE	0	info->transaction_kthread	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->__state	0,512
PARAM_VALUE	0	info->transaction_kthread->core_node.__rb_parent_color	1
PARAM_VALUE	0	info->transaction_kthread->core_node.rb_left	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->core_node.rb_right	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->cpus_ptr	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->delays->blkio_delay_max_ts.tv_nsec	0-999999999
PARAM_VALUE	0	info->transaction_kthread->delays->lock.dep_map->name	0-255
PARAM_VALUE	0	info->transaction_kthread->delays->lock.owner	(-1)
PARAM_VALUE	0	info->transaction_kthread->delays->lock.owner_cpu	4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.dl_timer.base->cpu_base->expires_next	0-s64max
PARAM_VALUE	0	info->transaction_kthread->dl.dl_timer.base->cpu_base->softirq_expires_next	0-s64max
PARAM_VALUE	0	info->transaction_kthread->dl.pi_se->pi_se	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->dl.rb_node.__rb_parent_color	1
PARAM_VALUE	0	info->transaction_kthread->dl.rq->active_balance	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->clock_update_flags	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_enabled	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_forceidle_count	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_forceidle_occupation	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_forceidle_seq	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_pick_seq	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_sched_seq	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->core_task_seq	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->cpu	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->has_blocked_load	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->hrtick_sched	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->idle_balance	0-255
PARAM_VALUE	0	info->transaction_kthread->dl.rq->membarrier_state	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nohz_idle_balance	0-255
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nohz_tick_stopped	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_llc_running	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_numa_running	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_pinned	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_pref_llc_running	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_preferred_running	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->nr_running	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->numa_migrate_on	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->online	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->push_busy	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->push_cpu	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->sched_count	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->sched_goidle	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->ticks_without_resched	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->dl.rq->ttwu_count	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->ttwu_local	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->ttwu_pending	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->uclamp_flags	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->dl.rq->yld_count	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->flags	0,67108864-u32max
PARAM_VALUE	0	info->transaction_kthread->migration_disabled	0-1
PARAM_VALUE	0	info->transaction_kthread->mm->mm_cid.irq_work.node.a_flags.counter	0-s32max
PARAM_VALUE	0	info->transaction_kthread->mm->mm_cid.max_cids	0-s32max
PARAM_VALUE	0	info->transaction_kthread->mm->mm_cid.pcpu_thrs	1-1073741823
PARAM_VALUE	0	info->transaction_kthread->mm->mm_cid.update_deferred	1
PARAM_VALUE	0	info->transaction_kthread->on_rq	0-1,3-255
PARAM_VALUE	0	info->transaction_kthread->pi_lock.dep_map->name	0-255
PARAM_VALUE	0	info->transaction_kthread->pi_lock.owner	(-1)
PARAM_VALUE	0	info->transaction_kthread->pi_lock.owner_cpu	u32max
PARAM_VALUE	0	info->transaction_kthread->pi_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	info->transaction_kthread->pushable_dl_tasks.__rb_parent_color	1
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.node_list.next->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.node_list.next->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.node_list.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.node_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.prio_list.next->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.prio_list.next->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.prio_list.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->pushable_tasks.prio_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->rcu.func	1-u64max
PARAM_VALUE	0	info->transaction_kthread->rcu.next	0
PARAM_VALUE	0	info->transaction_kthread->rseq.event.ids_changed	1
PARAM_VALUE	0	info->transaction_kthread->rt.run_list.next->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->rt.run_list.next->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->rt.run_list.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->rt.run_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->sched_migrated	1
PARAM_VALUE	0	info->transaction_kthread->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	info->transaction_kthread->sched_task_group->parent	0-s64max
PARAM_VALUE	0	info->transaction_kthread->sched_task_group->shares	0-s64max
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->pelt_clock_throttled	1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->propagate	1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->removed.lock.owner	(-1)
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->removed.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->removed.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->curr->mm->sc_stat.cpu	(-1)
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->curr->pref_llc_queued	0-1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->__state	0,512
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->core_node.__rb_parent_color	1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->dl.inactive_timer.base->clockid	0-1,7,11
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->dl.inactive_timer.base->index	0-7
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->on_rq	0-1,3-255
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->rseq.event.ids_changed	1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->sched_migrated	1
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->donor->wake_cpu	0-s32max
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->fair_server.inactive_timer.flags	0-4294967295
PARAM_VALUE	0	info->transaction_kthread->se.cfs_rq->rq->fair_server.rb_node.__rb_parent_color	1
PARAM_VALUE	0	info->transaction_kthread->se.group_node.next->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->se.group_node.next->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->se.group_node.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->se.group_node.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->throttle_node.next->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->throttle_node.next->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->throttle_node.prev->next	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->throttle_node.prev->prev	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->wake_cpu	0-s32max
PARAM_VALUE	0	info->transaction_kthread->worker_private	4096-ptr_max
PARAM_VALUE	0	info->transaction_kthread->worker_private->exited.done	0-4294967293,4294967295
PARAM_VALUE	0	info->transaction_kthread->worker_private->exited.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->transaction_kthread->worker_private->exited.wait.lock.owner	(-1)
PARAM_VALUE	0	info->transaction_kthread->worker_private->exited.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->transaction_wait.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	info->uuid_tree_rescan_sem.first_waiter->up	1
PARAM_VALUE	0	info->uuid_tree_rescan_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	info->uuid_tree_rescan_sem.lock.owner	(-1)
PARAM_VALUE	0	info->uuid_tree_rescan_sem.lock.owner_cpu	u32max
PARAM_VALUE	0	info->workers	4096-ptr_max
PARAM_VALUE	0	info->workers->normal_wq->first_flusher->done.done	0-4294967295
PARAM_VALUE	0	info->workers->normal_wq->first_flusher->done.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	info->workers->normal_wq->first_flusher->done.wait.lock.owner	(-1)
PARAM_VALUE	0	info->workers->normal_wq->first_flusher->done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	info->workers->normal_wq->first_flusher->done.wait.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	info->workers->normal_wq->flush_color	s32min-s32max
PARAM_VALUE	0	info->workers->normal_wq->flusher_overflow.prev->next	2906673126597898240
PARAM_VALUE	0	info->workers->normal_wq->flusher_queue.prev->next	2906673126597898240
PARAM_VALUE	0	info->workers->normal_wq->nr_pwqs_to_flush.counter	s32min-s32max
PARAM_VALUE	0	info->workers->normal_wq->work_color	s32min-s32max
PARAM_VALUE	0	*info->delalloc_workers->normal_wq->lockdep_map->name	0-255
PARAM_VALUE	0	*info->endio_freespace_worker->normal_wq->lockdep_map->name	0-255
PARAM_VALUE	0	*info->endio_write_workers->normal_wq->lockdep_map->name	0-255
PARAM_VALUE	0	*info->workers->normal_wq->lockdep_map->name	0-255
PARAM_VALUE	1	bytenr	0
BUF_SIZE	0	info	(-1),1-s32max
BUF_SIZE	0	info	(-1),1-s32max
CAPPED_DATA	0	info->cleaner_kthread	1
CAPPED_DATA	0	info->transaction_kthread	1
DATA_SOURCE	0	info	$0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	info->fs_error
UNITS	0	info	unit_byte

fs/btrfs/disk-io.c btrfs_global_root_id() -> btrfs_lookup_first_block_group()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->block_group_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->block_group_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->block_group_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->btree_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	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	info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,4672,5297,4573560380487,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE	0	info->btree_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	info->chunk_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->chunk_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->chunk_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->chunk_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->cleanup_work_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->cleanup_work_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->dev_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->dev_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->dev_root->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->dev_root->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->dev_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->dev_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->fs_root->fs_info->sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
PARAM_VALUE	0	info->quota_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->quota_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->quota_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->quota_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->remap_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->remap_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->remap_root->fs_info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->remap_root->fs_info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->remap_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->remap_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->sb->s_bdi->wb_switch_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	info->sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	0	info->stripe_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->stripe_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->stripe_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->stripe_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->tree_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->tree_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->tree_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->tree_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->uuid_root->fs_info->commit_root_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->uuid_root->fs_info->commit_root_sem.first_waiter->type	0-1
PARAM_VALUE	0	info->uuid_root->node->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	info->uuid_root->node->lock.first_waiter->type	0-1
PARAM_VALUE	0	info->uuid_tree_rescan_sem.first_waiter->up	0-1
PARAM_VALUE	1	bytenr	0
BUF_SIZE	0	info	(-1),1-s32max
BUF_SIZE	0	info	(-1),1-s32max
BUF_SIZE	0	info->balance_ctl	(-1),440
DATA_SOURCE	0	info	$0
DATA_SOURCE	1	bytenr	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	info->balance_ctl->data.devid	0-u64max
USER_DATA	0	info->balance_ctl->data.flags	0-u64max
USER_DATA	0	info->balance_ctl->data.limit	0-u64max
USER_DATA	0	info->balance_ctl->data.limit_max	0-u32max
USER_DATA	0	info->balance_ctl->data.limit_min	0-u32max
USER_DATA	0	info->balance_ctl->data.pend	0-u64max
USER_DATA	0	info->balance_ctl->data.profiles	0-u64max
USER_DATA	0	info->balance_ctl->data.pstart	0-u64max
USER_DATA	0	info->balance_ctl->data.stripes_max	0-u32max
USER_DATA	0	info->balance_ctl->data.stripes_min	0-u32max
USER_DATA	0	info->balance_ctl->data.target	0-u64max
USER_DATA	0	info->balance_ctl->data.usage	0-u64max
USER_DATA	0	info->balance_ctl->data.usage_max	0-u32max
USER_DATA	0	info->balance_ctl->data.usage_min	0-u32max
USER_DATA	0	info->balance_ctl->data.vend	0-u64max
USER_DATA	0	info->balance_ctl->data.vstart	0-u64max
USER_DATA	0	info->balance_ctl->flags	0-2046
USER_DATA	0	info->balance_ctl->meta.devid	0-u64max
USER_DATA	0	info->balance_ctl->meta.flags	0-u64max
USER_DATA	0	info->balance_ctl->meta.limit	0-u64max
USER_DATA	0	info->balance_ctl->meta.limit_max	0-u32max
USER_DATA	0	info->balance_ctl->meta.limit_min	0-u32max
USER_DATA	0	info->balance_ctl->meta.pend	0-u64max
USER_DATA	0	info->balance_ctl->meta.profiles	0-u64max
USER_DATA	0	info->balance_ctl->meta.pstart	0-u64max
USER_DATA	0	info->balance_ctl->meta.stripes_max	0-u32max
USER_DATA	0	info->balance_ctl->meta.stripes_min	0-u32max
USER_DATA	0	info->balance_ctl->meta.target	0-u64max
USER_DATA	0	info->balance_ctl->meta.usage	0-u64max
USER_DATA	0	info->balance_ctl->meta.usage_max	0-u32max
USER_DATA	0	info->balance_ctl->meta.usage_min	0-u32max
USER_DATA	0	info->balance_ctl->meta.vend	0-u64max
USER_DATA	0	info->balance_ctl->meta.vstart	0-u64max
USER_DATA	0	info->balance_ctl->sys.devid	0-u64max
USER_DATA	0	info->balance_ctl->sys.flags	0-u64max
USER_DATA	0	info->balance_ctl->sys.limit	0-u64max
USER_DATA	0	info->balance_ctl->sys.limit_max	0-u32max
USER_DATA	0	info->balance_ctl->sys.limit_min	0-u32max
USER_DATA	0	info->balance_ctl->sys.pend	0-u64max
USER_DATA	0	info->balance_ctl->sys.profiles	0-u64max
USER_DATA	0	info->balance_ctl->sys.pstart	0-u64max
USER_DATA	0	info->balance_ctl->sys.stripes_max	0-u32max
USER_DATA	0	info->balance_ctl->sys.stripes_min	0-u32max
USER_DATA	0	info->balance_ctl->sys.target	0-u64max
USER_DATA	0	info->balance_ctl->sys.usage	0-u64max
USER_DATA	0	info->balance_ctl->sys.usage_max	0-u32max
USER_DATA	0	info->balance_ctl->sys.usage_min	0-u32max
USER_DATA	0	info->balance_ctl->sys.vend	0-u64max
USER_DATA	0	info->balance_ctl->sys.vstart	0-u64max
USER_DATA	1	bytenr	0
NO_OVERFLOW_SIMPLE	0	info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE	0	info->log_root_tree->dirty_log_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE	0	info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE	0	info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
UNITS	0	info	unit_byte
UNITS	1	bytenr	unit_byte
HALF_LOCKED2		&fs_info->tree_log_mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2	0	&info->commit_root_sem
HALF_LOCKED2	0	&info->qgroup_rescan_lock
HALF_LOCKED2	0	&info->reclaim_bgs_lock

fs/btrfs/extent-tree.c btrfs_trim_fs() -> btrfs_lookup_first_block_group()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	1	bytenr	0-18446744073709551614
CAPPED_DATA	0	info->sectorsize	1
DATA_SOURCE	0	info	$0
CAPABLE	0	21
BIT_INFO	0	info->mount_opt	0x0,0xfffffffffeffffff
USER_DATA	1	bytenr	0-18446744073709551614
UNITS	0	info	unit_byte
UNITS	1	bytenr	unit_byte