8f58add152
The unsafe mode is useful if the metadata of added cores is incomplete. Such scenario is possible when starting cache to standby mode from partially vaild metadata. Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
42 lines
1.5 KiB
C
42 lines
1.5 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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#ifndef __EVICTION_LRU_H__
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#define __EVICTION_LRU_H__
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#include "ocf_space.h"
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#include "ocf_lru_structs.h"
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struct ocf_part;
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struct ocf_user_part;
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struct ocf_part_runtime;
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struct ocf_part_cleaning_ctx;
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struct ocf_request;
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void ocf_lru_init_cline(ocf_cache_t cache, ocf_cache_line_t cline);
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void ocf_lru_rm_cline(struct ocf_cache *cache, ocf_cache_line_t cline);
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bool ocf_lru_can_evict(struct ocf_cache *cache);
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uint32_t ocf_lru_req_clines(struct ocf_request *req,
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struct ocf_part *src_part, uint32_t cline_no);
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void ocf_lru_hot_cline(struct ocf_cache *cache, ocf_cache_line_t cline);
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void ocf_lru_add(ocf_cache_t cache, ocf_cache_line_t cline);
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void ocf_lru_init(struct ocf_cache *cache, struct ocf_part *part);
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void ocf_lru_dirty_cline(struct ocf_cache *cache, struct ocf_part *part,
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ocf_cache_line_t cline);
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void ocf_lru_clean_cline(struct ocf_cache *cache, struct ocf_part *part,
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ocf_cache_line_t cline);
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void ocf_lru_clean(ocf_cache_t cache, struct ocf_user_part *user_part,
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ocf_queue_t io_queue, uint32_t count);
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void ocf_lru_repart(ocf_cache_t cache, ocf_cache_line_t cline,
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struct ocf_part *src_upart, struct ocf_part *dst_upart);
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uint32_t ocf_lru_num_free(ocf_cache_t cache);
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void ocf_lru_populate(ocf_cache_t cache, ocf_cache_line_t num_free_clines,
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bool safe);
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struct ocf_lru_list *ocf_lru_get_list(struct ocf_part *part,
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uint32_t lru_idx, bool clean);
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void ocf_lru_remove_locked(ocf_cache_t cache, struct ocf_lru_list *list,
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ocf_cache_line_t cline);
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#endif
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