33 lines
700 B
C
33 lines
700 B
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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#ifndef __CLEANING_ALRU_STRUCTS_H__
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#define __CLEANING_ALRU_STRUCTS_H__
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#include "ocf/ocf.h"
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#include "ocf_env.h"
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struct alru_cleaning_policy_meta {
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/* Lru pointers 2*4=8 bytes */
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uint32_t timestamp;
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uint32_t lru_prev;
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uint32_t lru_next;
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} __attribute__((packed));
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struct alru_cleaning_policy_config {
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uint32_t thread_wakeup_time; /* in seconds */
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uint32_t stale_buffer_time; /* in seconds */
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uint32_t flush_max_buffers; /* in lines */
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uint32_t activity_threshold; /* in milliseconds */
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};
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struct alru_cleaning_policy {
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env_atomic size;
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uint32_t lru_head;
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uint32_t lru_tail;
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};
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#endif
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