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Merge pull request #453 from arutk/no_cl_gl_lock

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Skip cacheline concurrency global lock in fast path
This commit is contained in:
Robert Baldyga
2021-03-04 12:33:50 +01:00
committed by GitHub
parent f37d7b6a45 9ff0fd5320
commit ac9bd5b094
23 changed files with 754 additions and 233 deletions
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6
src/metadata/metadata_misc.c
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@@ -51,6 +51,8 @@ int ocf_metadata_actor(struct ocf_cache *cache,
ocf_cache_line_t i, next_i;
uint64_t start_line, end_line;
int ret = 0;
struct ocf_cache_line_concurrency *c =
cache->device->concurrency.cache_line;
start_line = ocf_bytes_2_lines(cache, start_byte);
end_line = ocf_bytes_2_lines(cache, end_byte);
@@ -63,7 +65,7 @@ int ocf_metadata_actor(struct ocf_cache *cache,
if (_is_cache_line_acting(cache, i, core_id,
start_line, end_line)) {
if (ocf_cache_line_is_used(cache, i))
if (ocf_cache_line_is_used(c, i))
ret = -OCF_ERR_AGAIN;
else
actor(cache, i);
@@ -75,7 +77,7 @@ int ocf_metadata_actor(struct ocf_cache *cache,
for (i = 0; i < cache->device->collision_table_entries; ++i) {
if (_is_cache_line_acting(cache, i, core_id,
start_line, end_line)) {
if (ocf_cache_line_is_used(cache, i))
if (ocf_cache_line_is_used(c, i))
ret = -OCF_ERR_AGAIN;
else
actor(cache, i);