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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* Copyright (C) 2011 Andrea Mazzoleni
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __PARITY_H
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#define __PARITY_H
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/****************************************************************************/
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/* parity */
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/**
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* Computes the size of the parity data in number of blocks.
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*/
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pos_t parity_resize(struct snapraid_state* state);
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int parity_create(const char* path, off_t size);
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int parity_open(int ret_on_error, const char* path);
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void parity_close(const char* path, int f);
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void parity_write(const char* parity_path, int parity_f, pos_t pos, unsigned char* block_buffer, unsigned block_size);
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int parity_read(int ret_on_error, const char* parity_path, int parity_f, pos_t pos, unsigned char* block_buffer, unsigned block_size);
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#endif
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