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Squashfs: update comment removing reference to zlib only
Comment was written when Squashfs only supported zlib compression.
This comment is now misleading given Squashfs supports other
compression algorithms.
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
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fs/squashfs/block.c
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fs/squashfs/block.c
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* filesystem), otherwise the length is obtained from the first two bytes of
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* the metadata block. A bit in the length field indicates if the block
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* is stored uncompressed in the filesystem (usually because compression
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* generated a larger block - this does occasionally happen with zlib).
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* generated a larger block - this does occasionally happen with compression
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* algorithms).
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*/
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int squashfs_read_data(struct super_block *sb, void **buffer, u64 index,
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int length, u64 *next_index, int srclength, int pages)