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Merge pull request #479 from arutk/lru_fix3

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Always call LRU_set_hot() under hash bucket lock
This commit is contained in:
Michał Mielewczyk
2021-03-26 11:04:59 +01:00
committed by GitHub
parent 78d7e5294f a3f2a214b6
commit a6c8cbb1ac
1 changed files with 3 additions and 4 deletions
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7
src/engine/engine_common.c
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@@ -598,8 +598,8 @@ int ocf_engine_prepare_clines(struct ocf_request *req)
mapped = ocf_engine_is_mapped(req); mapped = ocf_engine_is_mapped(req);
if (mapped) { if (mapped) {
lock = lock_clines(req); lock = lock_clines(req);
ocf_hb_req_prot_unlock_rd(req);
ocf_engine_set_hot(req); ocf_engine_set_hot(req);
ocf_hb_req_prot_unlock_rd(req);
return lock; return lock;
} }
@@ -615,6 +615,8 @@ int ocf_engine_prepare_clines(struct ocf_request *req)
/* Mapping must be performed holding (at least) hash-bucket write lock */ /* Mapping must be performed holding (at least) hash-bucket write lock */
ocf_hb_req_prot_lock_upgrade(req); ocf_hb_req_prot_lock_upgrade(req);
result = ocf_prepare_clines_miss(req); result = ocf_prepare_clines_miss(req);
if (!ocf_req_test_mapping_error(req))
ocf_engine_set_hot(req);
ocf_hb_req_prot_unlock_wr(req); ocf_hb_req_prot_unlock_wr(req);
if (ocf_req_test_clean_eviction(req)) { if (ocf_req_test_clean_eviction(req)) {
@@ -622,9 +624,6 @@ int ocf_engine_prepare_clines(struct ocf_request *req)
128); 128);
} }
if (!ocf_req_test_mapping_error(req))
ocf_engine_set_hot(req);
return result; return result;
} }