7de56940a4
ocf_request has always been first class citizen in OCF, so lets place it along with another essential objects. Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Copyright(c) 2012-2018 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#include "ocf/ocf.h"
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#include "../ocf_cache_priv.h"
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#include "engine_d2c.h"
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#include "engine_common.h"
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#include "cache_engine.h"
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#include "../ocf_request.h"
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#include "../utils/utils_io.h"
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#include "../metadata/metadata.h"
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#define OCF_ENGINE_DEBUG_IO_NAME "d2c"
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#include "engine_debug.h"
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static void _ocf_d2c_completion(struct ocf_request *req, int error)
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{
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ocf_core_t core = req->core;
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req->error = error;
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OCF_DEBUG_RQ(req, "Completion");
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if (req->error) {
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req->info.core_error = 1;
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if (req->rw == OCF_READ)
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env_atomic_inc(&core->counters->core_errors.read);
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else
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env_atomic_inc(&core->counters->core_errors.write);
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}
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/* Complete request */
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req->complete(req, req->error);
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/* Release OCF request */
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ocf_req_put(req);
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}
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int ocf_io_d2c(struct ocf_request *req)
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{
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ocf_core_t core = req->core;
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OCF_DEBUG_TRACE(req->cache);
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ocf_io_start(req->io);
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/* Get OCF request - increase reference counter */
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ocf_req_get(req);
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ocf_submit_volume_req(&core->volume, req, _ocf_d2c_completion);
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ocf_engine_update_block_stats(req);
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if (req->rw == OCF_READ) {
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env_atomic64_inc(&core->counters->
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part_counters[req->part_id].read_reqs.pass_through);
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} else {
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env_atomic64_inc(&core->counters->
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part_counters[req->part_id].write_reqs.pass_through);
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}
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/* Put OCF request - decrease reference counter */
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ocf_req_put(req);
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return 0;
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}
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