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Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

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

Type Parameter Key Value
PARAM_VALUE 1 num_bytes 1-u64max
DATA_SOURCE 1 num_bytes $3 [m]
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 num_bytes unit_byte
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->subvol_sem
HALF_LOCKED2 &fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 &node->mutex

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

Type Parameter Key Value
DATA_SOURCE 1 num_bytes $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 num_bytes unit_byte
HALF_LOCKED2 &tree->lock

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

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->delalloc_root_lock.rlock.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_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_root_lock.rlock.dep_map->name 0-255
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.dep_map->name 0-255
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->super_lock.rlock.dep_map->name 0-255
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 643370198843097104
PARAM_VALUE 1 num_bytes 1-u64max
CAPPED_DATA 0 space_info 1
CAPPED_DATA 1 num_bytes 1
CAPPED_DATA 1 num_bytes 1
FUZZY_MAX 1 num_bytes 1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 num_bytes unit_byte
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