ocf/src/engine/engine_inv.c
Adam Rutkowski 1411314678 Add getter function for cache->device->concurrency.cache_line
The purpose of this change is to facilitate unit testing.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-03-05 11:20:47 +01:00

72 lines
1.6 KiB
C

/*
* Copyright(c) 2012-2021 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause-Clear
*/
#include "ocf/ocf.h"
#include "../ocf_cache_priv.h"
#include "engine_inv.h"
#include "engine_common.h"
#include "cache_engine.h"
#include "../ocf_request.h"
#include "../utils/utils_cache_line.h"
#include "../metadata/metadata.h"
#include "../concurrency/ocf_concurrency.h"
#define OCF_ENGINE_DEBUG_IO_NAME "inv"
#include "engine_debug.h"
static void _ocf_invalidate_req(struct ocf_request *req, int error)
{
if (error) {
req->error = error;
ocf_core_stats_cache_error_update(req->core, OCF_WRITE);
}
if (env_atomic_dec_return(&req->req_remaining))
return;
OCF_DEBUG_RQ(req, "Completion");
if (req->error)
ocf_engine_error(req, true, "Failed to flush metadata to cache");
ocf_req_unlock_wr(ocf_cache_line_concurrency(req->cache), req);
/* Put OCF request - decrease reference counter */
ocf_req_put(req);
}
static int _ocf_invalidate_do(struct ocf_request *req)
{
struct ocf_cache *cache = req->cache;
ENV_BUG_ON(env_atomic_read(&req->req_remaining));
ocf_hb_req_prot_lock_wr(req);
ocf_purge_map_info(req);
ocf_hb_req_prot_unlock_wr(req);
env_atomic_inc(&req->req_remaining);
if (ocf_volume_is_atomic(&cache->device->volume) &&
req->info.flush_metadata) {
/* Metadata flush IO */
ocf_metadata_flush_do_asynch(cache, req, _ocf_invalidate_req);
}
_ocf_invalidate_req(req, 0);
return 0;
}
static const struct ocf_io_if _io_if_invalidate = {
.read = _ocf_invalidate_do,
.write = _ocf_invalidate_do,
};
void ocf_engine_invalidate(struct ocf_request *req)
{
ocf_engine_push_req_front_if(req, &_io_if_invalidate, true);
}