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53 lines
1.3 KiB
53 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef DECOMPRESSOR_H |
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#define DECOMPRESSOR_H |
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/* |
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* Squashfs - a compressed read only filesystem for Linux |
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* |
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* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
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* Phillip Lougher <[email protected]> |
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* |
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* decompressor.h |
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*/ |
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#include <linux/bio.h> |
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struct squashfs_decompressor { |
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void *(*init)(struct squashfs_sb_info *, void *); |
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void *(*comp_opts)(struct squashfs_sb_info *, void *, int); |
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void (*free)(void *); |
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int (*decompress)(struct squashfs_sb_info *, void *, |
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struct bio *, int, int, struct squashfs_page_actor *); |
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int id; |
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char *name; |
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int supported; |
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}; |
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static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk, |
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void *buff, int length) |
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{ |
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return msblk->decompressor->comp_opts ? |
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msblk->decompressor->comp_opts(msblk, buff, length) : NULL; |
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} |
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#ifdef CONFIG_SQUASHFS_XZ |
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extern const struct squashfs_decompressor squashfs_xz_comp_ops; |
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#endif |
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#ifdef CONFIG_SQUASHFS_LZ4 |
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extern const struct squashfs_decompressor squashfs_lz4_comp_ops; |
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#endif |
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#ifdef CONFIG_SQUASHFS_LZO |
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extern const struct squashfs_decompressor squashfs_lzo_comp_ops; |
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#endif |
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#ifdef CONFIG_SQUASHFS_ZLIB |
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extern const struct squashfs_decompressor squashfs_zlib_comp_ops; |
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#endif |
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#ifdef CONFIG_SQUASHFS_ZSTD |
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extern const struct squashfs_decompressor squashfs_zstd_comp_ops; |
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#endif |
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#endif
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