196437f9bc
This is the first step towards atomic initialization of metadata on cache disk. Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
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* Copyright(c) 2012-2021 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "metadata.h"
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#include "metadata_segment_id.h"
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#include "metadata_raw.h"
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#include "metadata_io.h"
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#include "metadata_raw_volatile.h"
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/*
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* RAW volatile Implementation - Size on SSD
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*/
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uint32_t raw_volatile_size_on_ssd(struct ocf_metadata_raw *raw)
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{
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return 0;
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}
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/*
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* RAW volatile Implementation - Checksum
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*/
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uint32_t raw_volatile_checksum(ocf_cache_t cache,
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struct ocf_metadata_raw *raw)
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{
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return 0;
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}
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/*
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* RAW volatile Implementation - Update
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*/
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int raw_volatile_update(ocf_cache_t cache,
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struct ocf_metadata_raw *raw, ctx_data_t *data,
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uint64_t page, uint64_t count)
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{
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/* Do nothing on purpose. */
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return 0;
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}
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/*
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* RAW volatile Implementation - Zero - implemented as noop
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*/
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void raw_volatile_zero(ocf_cache_t cache, struct ocf_metadata_raw *raw,
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ocf_metadata_end_t cmpl, void *context)
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{
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cmpl(context, 0);
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}
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/*
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* RAW volatile Implementation - Load all metadata elements from SSD
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*/
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void raw_volatile_load_all(ocf_cache_t cache, struct ocf_metadata_raw *raw,
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ocf_metadata_end_t cmpl, void *priv, unsigned flapping_idx)
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{
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cmpl(priv, -OCF_ERR_NOT_SUPP);
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}
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/*
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* RAM Implementation - Flush all elements
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*/
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void raw_volatile_flush_all(ocf_cache_t cache, struct ocf_metadata_raw *raw,
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ocf_metadata_end_t cmpl, void *priv, unsigned flapping_idx)
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{
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cmpl(priv, 0);
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}
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/*
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* RAM RAM Implementation - Mark to Flush
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*/
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void raw_volatile_flush_mark(ocf_cache_t cache, struct ocf_request *req,
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uint32_t map_idx, int to_state, uint8_t start, uint8_t stop)
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{
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}
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/*
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* RAM RAM Implementation - Do Flush asynchronously
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*/
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int raw_volatile_flush_do_asynch(ocf_cache_t cache,
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struct ocf_request *req, struct ocf_metadata_raw *raw,
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ocf_req_end_t complete)
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{
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complete(req, 0);
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return 0;
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}
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