1ed707361f
Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com> Signed-off-by: Rafal Stefanowski <rafal.stefanowski@huawei.com> Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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* Copyright(c) 2012-2022 Intel Corporation
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* Copyright(c) 2024 Huawei Technologies
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* SPDX-License-Identifier: BSD-3-Clause
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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 "engine_io.h"
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#include "cache_engine.h"
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#include "engine_flush.h"
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#include "../ocf_request.h"
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#define OCF_ENGINE_DEBUG_IO_NAME "flush"
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#include "engine_debug.h"
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static void _ocf_engine_flush_complete(struct ocf_request *req, int error)
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{
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if (error)
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req->error = 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_flush(struct ocf_request *req)
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{
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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_engine_forward_core_flush_req(req, _ocf_engine_flush_complete);
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/* submit flush to cache device */
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ocf_engine_forward_cache_flush_req(req, _ocf_engine_flush_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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