41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
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/*
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* Copyright (c) 2007 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIB_BCACHE_H
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#define __LIB_BCACHE_H
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#include <lib/bio.h>
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typedef void * bcache_t;
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bcache_t bcache_create(bdev_t *dev, size_t block_size, int block_count);
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void bcache_destroy(bcache_t);
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int bcache_read_block(bcache_t, void *, uint block);
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// get and put a pointer directly to the block
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int bcache_get_block(bcache_t, void **, uint block);
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int bcache_put_block(bcache_t, uint block);
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#endif
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