Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/extent-tree.c find_free_extent() -> block_group_bits()

Type Parameter Key Value
PARAM_VALUE 0 cache 4096-ptr_max
DATA_SOURCE 0 cache r btrfs_lookup_block_group
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fs_info->remap_mutex
HALF_LOCKED2 &pool->lock

fs/btrfs/extent-tree.c find_free_extent() -> block_group_bits()

Type Parameter Key Value
PARAM_VALUE 0 cache 4096-ptr_max
CAPPED_DATA 0 &cache->list 1
BIT_INFO 0 cache->flags 0x0,0xfffffffffffff7ff
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 cache->delalloc_bytes
NO_OVERFLOW_SIMPLE 0 cache->reserved
LOCK2 &space_info->groups_sem
HALF_LOCKED2 &fs_info->remap_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct btrfs_space_info)->groups_sem

fs/btrfs/extent-tree.c find_free_extent_clustered() -> block_group_bits()

Type Parameter Key Value
PARAM_VALUE 0 cache 4096-ptr_max
CAPPED_DATA 0 cache 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &last_ptr->refill_lock
LOCK2 &space_info->groups_sem
HALF_LOCKED2 &fs_info->remap_mutex
HALF_LOCKED2 &last_ptr->block_group->data_rwsem
HALF_LOCKED2 &root->objectid_mutex
TYPE_LOCK (struct btrfs_free_cluster)->refill_lock
TYPE_LOCK (struct btrfs_space_info)->groups_sem

fs/btrfs/extent-tree.c prepare_allocation_zoned() -> block_group_bits()

Type Parameter Key Value
PARAM_VALUE 0 cache 4096-ptr_max
CAPPED_DATA 0 &cache->active_bg_list 1
BIT_INFO 1 bits 0x1,0xffffffffffffffff
BIT_INFO 1 bits 0x1,0xffffffffffffffff
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &fs_info->zone_active_bgs_lock
HALF_LOCKED2 &fs_info->remap_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &root->objectid_mutex
TYPE_LOCK (struct btrfs_fs_info)->zone_active_bgs_lock