Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
drivers/md/dm-pcache/cache_req.c cache_read() -> cache_subtree_search()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache_subtree | 4096-ptr_max |
| PARAM_VALUE | 0 | cache_subtree->tree_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | key | 3917189810399780864 |
| PARAM_VALUE | 1 | key->cache_pos.cache_seg | 0 |
| PARAM_VALUE | 1 | key->cache_pos.seg_off | 0 |
| PARAM_VALUE | 1 | key->cache_subtree | 0 |
| PARAM_VALUE | 1 | key->cache_tree | 0 |
| PARAM_VALUE | 1 | key->flags | 0 |
| PARAM_VALUE | 1 | key->len | 0-4194304 |
| PARAM_VALUE | 1 | key->list_node.next | 0 |
| PARAM_VALUE | 1 | key->list_node.prev | 0 |
| PARAM_VALUE | 1 | key->rb_node.__rb_parent_color | 0 |
| PARAM_VALUE | 1 | key->rb_node.rb_left | 0 |
| PARAM_VALUE | 1 | key->rb_node.rb_right | 0 |
| PARAM_VALUE | 1 | key->ref.refcount.refs.counter | 0 |
| PARAM_VALUE | 1 | key->seg_gen | 0 |
| PARAM_VALUE | 2 | parentp | 0 |
| PARAM_VALUE | 3 | newp | 0 |
| PARAM_VALUE | 4 | delete_key_list | 2085415504086302720 |
| PARAM_VALUE | 4 | delete_key_list->next | 4096-ptr_max |
| PARAM_VALUE | 4 | delete_key_list->prev | 2085415504086302720 |
| BUF_SIZE | 1 | key | 104 |
| DATA_SOURCE | 0 | cache_subtree | r get_subtree |
| NOSPEC | 1 | key->len | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | key->len | 0-4194304[c] |
| HOST_DATA | 1 | key->off | 0-4294967294[c] |
| USER_DATA | 1 | key->len | 0-4194304[c] |
| USER_DATA | 1 | key->off | 0-4294967294[c] |
| LOCK2 | 0 | &cache_subtree->tree_lock | |
| HALF_LOCKED2 | &md->io_barrier | ||
| TYPE_LOCK | (struct pcache_cache_subtree)->tree_lock |
drivers/md/dm-pcache/cache_key.c cache_key_insert() -> cache_subtree_search()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache_subtree | 4096-ptr_max |
| PARAM_VALUE | 1 | key | 4096-ptr_max |
| PARAM_VALUE | 1 | key->cache_subtree | 4096-ptr_max |
| PARAM_VALUE | 2 | parentp | 4814158485382639616 |
| PARAM_VALUE | 3 | newp | 1983966905193472000 |
| PARAM_VALUE | 4 | delete_key_list | 7461035182202433536 |
| PARAM_VALUE | 4 | delete_key_list->next | 4096-ptr_max |
| PARAM_VALUE | 4 | delete_key_list->prev | 7461035182202433536 |
| BUF_SIZE | 1 | key->cache_tree | (-1),224 |
| DATA_SOURCE | 0 | cache_subtree | r get_subtree |
| DATA_SOURCE | 1 | key | $1 |
| NOSPEC | 1 | key->len | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | key->len | 1-4194304[c] |
| HOST_DATA | 1 | key->off | 4194304[c] |
| USER_DATA | 1 | key->len | 1-4194304[c] |
| USER_DATA | 1 | key->off | 4194304[c] |
| NO_OVERFLOW_SIMPLE | 1 | key->cache_tree->key_pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 1 | key->cache_tree->n_subtrees | |
| LOCK2 | &cache_subtree->tree_lock | ||
| HALF_LOCKED2 | &cache->writeback_lock | ||
| HALF_LOCKED2 | 0 | &cache_subtree->tree_lock | |
| TYPE_LOCK | (struct pcache_cache_subtree)->tree_lock |