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Switch from global metadata locks to hash-bucket locks in engines

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2019-07-31 16:31:28 -04:00
parent b39bcf86d4
commit 3a70d68d38
12 changed files with 124 additions and 129 deletions
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6
src/engine/engine_wo.c
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@@ -201,7 +201,6 @@ static const struct ocf_io_if _io_if_wo_resume = {
int ocf_read_wo(struct ocf_request *req)
{
ocf_cache_t cache = req->cache;
int lock = OCF_LOCK_ACQUIRED;
OCF_DEBUG_TRACE(req->cache);
@@ -214,7 +213,8 @@ int ocf_read_wo(struct ocf_request *req)
/* Set resume call backs */
req->io_if = &_io_if_wo_resume;
OCF_METADATA_LOCK_RD(); /*- Metadata RD access -----------------------*/
ocf_req_hash(req);
ocf_req_hash_lock_rd(req); /*- Metadata RD access -----------------------*/
/* Traverse request to check if there are mapped cache lines */
ocf_engine_traverse(req);
@@ -226,7 +226,7 @@ int ocf_read_wo(struct ocf_request *req)
lock = ocf_req_async_lock_rd(req, ocf_engine_on_resume);
}
OCF_METADATA_UNLOCK_RD(); /*- END Metadata RD access -----------------*/
ocf_req_hash_unlock_rd(req); /*- END Metadata RD access -----------------*/
if (lock >= 0) {
if (lock != OCF_LOCK_ACQUIRED) {