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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/md/dm-pcache/cache_req.c miss_read_end_req() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_req.c read_overlap_contain() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_req.c read_overlap_contained() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_req.c read_overlap_head() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_req.c read_overlap_tail() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c cache_key_invalid() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 key unit_byte
HALF_LOCKED2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_contain() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $0
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_contained() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $0
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_contained() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_head() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $0
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_tail() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $0
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c fixup_overlap_tail() -> cache_key_empty()

Type Parameter Key Value
PARAM_VALUE 0 key 4096-ptr_max
DATA_SOURCE 0 key $1
TASK_NOT_RUNNING
LOCK2 &cache_subtree->tree_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct pcache_cache_subtree)->tree_lock