cache_key_delete 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 function:

drivers/md/dm-pcache/cache.h, line 465 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/md/dm-pcache/cache_req.c cache_read() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->root.rb_node	4096-ptr_max
PARAM_VALUE	0	key->list_node.next->prev	4096-ptr_max
PARAM_VALUE	0	key->list_node.prev->next	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&cache_subtree->tree_lock
HALF_LOCKED2		&md->io_barrier
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_req.c cache_write() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->cache->seg_map_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_pos.cache_seg->gen_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_subtree	4096-ptr_max
PARAM_VALUE	0	key->cache_tree	4096-ptr_max
PARAM_VALUE	0	key->len	1-4194304
PARAM_VALUE	0	key->rb_node.__rb_parent_color	1
PARAM_VALUE	0	key->rb_node.rb_left	4096-ptr_max
PARAM_VALUE	0	key->rb_node.rb_right	4096-ptr_max
BUF_SIZE	0	key->cache_tree	(-1),224
CAPPED_DATA	0	key->len	1
DATA_SOURCE	0	key	r cache_key_alloc
NOSPEC	0	key->len
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	key->len	1-4194304[c]
USER_DATA	0	key->len	1-4194304[c]
NO_OVERFLOW_SIMPLE	0	key->cache_tree->key_pool.min_nr
NO_OVERFLOW_SIMPLE	0	key->cache_tree->n_subtrees
LOCK2		&cache_subtree->tree_lock
HALF_LOCKED2		&md->io_barrier
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

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

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->tree_lock.rlock.dep_map->name	0-255
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&cache_subtree->tree_lock
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

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

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	1-u64max
PARAM_VALUE	0	key->cache_subtree	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->tree_lock.rlock.dep_map->name	0-255
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&cache_subtree->tree_lock
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

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

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->cache->seg_map_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_pos.cache_seg->gen_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_subtree	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->tree_lock.rlock.dep_map->name	0-255
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&cache_subtree->tree_lock
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

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

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->cache->seg_map_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_pos.cache_seg->gen_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->cache_subtree	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->tree_lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	key->len	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->gen	1-u64max
PARAM_VALUE	0	key->cache_pos.cache_seg->gen_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->off	0-18446744073709551614
PARAM_VALUE	0	key->seg_gen	0-18446744073709551614
CAPPED_DATA	0	key->cache_pos.cache_seg->gen	1
CAPPED_DATA	0	key->seg_gen	1
DATA_SOURCE	0	key	$1
PARAM_COMPARE	0	key->cache_pos.cache_seg->gen	> $0->seg_gen
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->off	0-18446744073709551614
PARAM_VALUE	0	key->seg_gen	0-18446744073709551614
CAPPED_DATA	0	key->seg_gen	1
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->off	0-18446744073709551614
PARAM_VALUE	0	key->seg_gen	0-18446744073709551614
CAPPED_DATA	0	key->seg_gen	1
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->gen	1-u64max
PARAM_VALUE	0	key->cache_pos.cache_seg->gen_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->off	0-18446744073709551614
PARAM_VALUE	0	key->seg_gen	0-18446744073709551614
CAPPED_DATA	0	key->cache_pos.cache_seg->gen	1
CAPPED_DATA	0	key->seg_gen	1
DATA_SOURCE	0	key	$1
PARAM_COMPARE	0	key->cache_pos.cache_seg->gen	> $0->seg_gen
TASK_NOT_RUNNING
NOCHECK_CALL
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_insert() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_subtree->root.rb_node	4096-ptr_max
PARAM_VALUE	0	key->list_node.next->prev	4096-ptr_max
PARAM_VALUE	0	key->list_node.prev->next	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&cache_subtree->tree_lock
HALF_LOCKED2		&cache->writeback_lock
HALF_LOCKED2		&cache_subtree->tree_lock
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c cache_tree_clear() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
UNITS	0	key	unit_byte
LOCK2		&cache_subtree->tree_lock
HALF_LOCKED2		&cache->writeback_lock
TYPE_LOCK		(struct pcache_cache_subtree)->tree_lock

drivers/md/dm-pcache/cache_key.c clean_fn() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->cache_pos.cache_seg->gen	1-u64max
PARAM_VALUE	0	key->seg_gen	0-18446744073709551614
CAPPED_DATA	0	key->cache_pos.cache_seg->gen	1
CAPPED_DATA	0	key->seg_gen	1
PARAM_COMPARE	0	key->cache_pos.cache_seg->gen	> $0->seg_gen
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
UNITS	0	key	unit_byte
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_contain() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->off	0-18446744073709551614
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->len	0
PARAM_VALUE	0	key->off	0-18446744073709551614
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->len	0
PARAM_VALUE	0	key->off	0-18446744073709551614
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->len	0
PARAM_VALUE	0	key->off	0-18446744073709551614
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->off	0-18446744073709551614
DATA_SOURCE	0	key	$1
TASK_NOT_RUNNING
NOCHECK_CALL
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_delete()

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

drivers/md/dm-pcache/cache_writeback.c cache_wb_tree_writeback() -> cache_key_delete()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
NOCHECK_CALL
UNITS	0	key	unit_byte
LOCK2		&cache->writeback_lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct pcache_cache)->writeback_lock