64 lines
1.4 KiB
C
64 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_common.h"
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#include "cache_engine.h"
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#include "engine_ops.h"
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#include "../utils/utils_req.h"
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#include "../utils/utils_io.h"
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#define OCF_ENGINE_DEBUG_IO_NAME "ops"
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#include "engine_debug.h"
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static void _ocf_engine_ops_complete(struct ocf_request *req, int error)
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{
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if (error)
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req->error |= error;
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if (env_atomic_dec_return(&req->req_remaining))
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return;
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OCF_DEBUG_RQ(req, "Completion");
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if (req->error) {
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/* An error occured */
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ocf_engine_error(req, false, "Core operation failure");
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}
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/* Complete requests - both to cache and to core*/
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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_engine_ops(struct ocf_request *req)
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{
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struct ocf_cache *cache = req->cache;
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OCF_DEBUG_TRACE(req->cache);
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/* Get OCF request - increase reference counter */
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ocf_req_get(req);
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/* IO to the core device and to the cache device */
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env_atomic_set(&req->req_remaining, 2);
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/* Submit operation into core device */
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ocf_submit_volume_req(&cache->core[req->core_id].volume, req,
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_ocf_engine_ops_complete);
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ocf_submit_cache_reqs(cache, req->map, req, req->rw,
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1, _ocf_engine_ops_complete);
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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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