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unify cache write error stats accounting

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In most (6/9) instances across engines ocf_core_stats_cache_error_update
is called upon each cache volume I/O error, possibly multiple times
per a user request in case of multi-cacheline requests. Backfill,
fast and read engine are exceptions, incrementing error stats only
once per user request.

This commit unifies ocf_core_stats_cache_error_update usage so that
in all the engines error statistic is incremented for once for every
error.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski 2022-09-05 19:41:29 +02:00
parent 93b6ddb8a7
commit 83b4455a0e
3 changed files with 12 additions and 11 deletions
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7
src/engine/engine_bf.c
View File

@ -1,5 +1,5 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* Copyright(c) 2012-2022 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -41,8 +41,10 @@ static void _ocf_backfill_complete(struct ocf_request *req, int error)
{
struct ocf_cache *cache = req->cache;
if (error)
if (error) {
req->error = error;
ocf_core_stats_cache_error_update(req->core, OCF_WRITE);
}
if (req->error)
inc_fallback_pt_error_counter(req->cache);
@ -63,7 +65,6 @@ static void _ocf_backfill_complete(struct ocf_request *req, int error)
req->data = NULL;
if (req->error) {
ocf_core_stats_cache_error_update(req->core, OCF_WRITE);
ocf_engine_invalidate(req);
} else {
ocf_req_unlock(ocf_cache_line_concurrency(cache), req);

7
src/engine/engine_fast.c
View File

@ -1,5 +1,5 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* Copyright(c) 2012-2022 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -30,8 +30,10 @@
static void _ocf_read_fast_complete(struct ocf_request *req, int error)
{
if (error)
if (error) {
req->error |= error;
ocf_core_stats_cache_error_update(req->core, OCF_READ);
}
if (env_atomic_dec_return(&req->req_remaining)) {
/* Not all requests finished */
@ -43,7 +45,6 @@ static void _ocf_read_fast_complete(struct ocf_request *req, int error)
if (req->error) {
OCF_DEBUG_RQ(req, "ERROR");
ocf_core_stats_cache_error_update(req->core, OCF_READ);
ocf_engine_push_req_front_pt(req);
} else {
ocf_req_unlock(ocf_cache_line_concurrency(req->cache), req);

9
src/engine/engine_rd.c
View File

@ -1,5 +1,5 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* Copyright(c) 2012-2022 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -27,11 +27,11 @@ static void _ocf_read_generic_hit_complete(struct ocf_request *req, int error)
struct ocf_alock *c = ocf_cache_line_concurrency(
req->cache);
if (error)
if (error) {
req->error |= error;
if (req->error)
ocf_core_stats_cache_error_update(req->core, OCF_READ);
inc_fallback_pt_error_counter(req->cache);
}
/* Handle callback-caller race to let only one of the two complete the
* request. Also, complete original request only if this is the last
@ -41,7 +41,6 @@ static void _ocf_read_generic_hit_complete(struct ocf_request *req, int error)
OCF_DEBUG_RQ(req, "HIT completion");
if (req->error) {
ocf_core_stats_cache_error_update(req->core, OCF_READ);
ocf_engine_push_req_front_pt(req);
} else {
ocf_req_unlock(c, req);