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Add single hash bucket lock interface

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2019-08-01 16:53:20 -04:00
parent 3a70d68d38
commit 2333d837fb
4 changed files with 59 additions and 3 deletions
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12
src/concurrency/ocf_metadata_concurrency.h
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@@ -15,7 +15,7 @@ void ocf_metadata_concurrency_init(struct ocf_metadata_lock *metadata_lock);
void ocf_metadata_concurrency_deinit(struct ocf_metadata_lock *metadata_lock);
int ocf_metadata_concurrency_attached_init(
struct ocf_metadata_lock *metadata_lock,
struct ocf_metadata_lock *metadata_lock, ocf_cache_t cache,
uint64_t hash_table_entries);
void ocf_metadata_concurrency_attached_deinit(
@@ -113,6 +113,16 @@ static inline void ocf_metadata_status_bits_unlock(
ocf_metadata_status_bits_unlock(&cache->metadata.lock, \
OCF_METADATA_WR)
void ocf_metadata_hash_lock_rd(struct ocf_metadata_lock *metadata_lock,
uint32_t core_id, uint64_t core_line);
void ocf_metadata_hash_unlock_rd(struct ocf_metadata_lock *metadata_lock,
uint32_t core_id, uint64_t core_line);
void ocf_metadata_hash_lock_wr(struct ocf_metadata_lock *metadata_lock,
uint32_t core_id, uint64_t core_line);
void ocf_metadata_hash_unlock_wr(struct ocf_metadata_lock *metadata_lock,
uint32_t core_id, uint64_t core_line);
/* lock entire request in deadlock-free manner */
void ocf_req_hash_lock_rd(struct ocf_request *req);
void ocf_req_hash_unlock_rd(struct ocf_request *req);
void ocf_req_hash_lock_wr(struct ocf_request *req);