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1de7b4b805
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
72 lines
2.9 KiB
C
72 lines
2.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2009-2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _ACTIVEMAP_H_
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#define _ACTIVEMAP_H_
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#include <stdbool.h>
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#include <stdint.h>
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struct activemap;
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int activemap_init(struct activemap **ampp, uint64_t mediasize,
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uint32_t extentsize, uint32_t sectorsize, uint32_t keepdirty);
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void activemap_free(struct activemap *amp);
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bool activemap_write_start(struct activemap *amp, off_t offset, off_t length);
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bool activemap_write_complete(struct activemap *amp, off_t offset,
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off_t length);
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bool activemap_extent_complete(struct activemap *amp, int extent);
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uint64_t activemap_ndirty(const struct activemap *amp);
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bool activemap_differ(const struct activemap *amp);
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size_t activemap_size(const struct activemap *amp);
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size_t activemap_ondisk_size(const struct activemap *amp);
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void activemap_copyin(struct activemap *amp, const unsigned char *buf,
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size_t size);
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void activemap_merge(struct activemap *amp, const unsigned char *buf,
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size_t size);
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const unsigned char *activemap_bitmap(struct activemap *amp, size_t *sizep);
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size_t activemap_calc_ondisk_size(uint64_t mediasize, uint32_t extentsize,
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uint32_t sectorsize);
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void activemap_sync_rewind(struct activemap *amp);
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off_t activemap_sync_offset(struct activemap *amp, off_t *lengthp,
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int *syncextp);
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bool activemap_need_sync(struct activemap *amp, off_t offset, off_t length);
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void activemap_dump(const struct activemap *amp);
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#endif /* !_ACTIVEMAP_H_ */
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