Mark
27 lines
797 B
C
27 lines
797 B
C
#pragma once
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#include "sys/types.h"
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struct lru_node;
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struct lru_hash {
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size_t bucket_count;
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struct lru_node **bucket_heads;
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struct lru_node **bucket_tails;
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};
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struct block_cache {
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size_t page_size;
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size_t capacity, size;
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struct blkdev *blk;
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struct lru_node *queue_head, *queue_tail;
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struct lru_hash index_hash;
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// For global cache tracking
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struct block_cache *g_prev, *g_next;
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};
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void block_cache_init(struct block_cache *cache, struct blkdev *blk, size_t page_size, size_t page_capacity);
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void block_cache_release(struct block_cache *cache);
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void block_cache_flush(struct block_cache *cache);
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int block_cache_get(struct block_cache *cache, uintptr_t address, uintptr_t *page);
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void block_cache_mark_dirty(struct block_cache *cache, uintptr_t address);
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