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path: root/fs/squashfs/decompressor.c
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2011-07-22Squashfs: Make ZLIB compression support optionalPhillip Lougher1-0/+6
Squashfs now supports XZ and LZO compression in addition to ZLIB. As such it no longer makes sense to always include ZLIB support. In particular embedded systems may only use LZO or XZ compression, and the ability to exclude ZLIB support will reduce kernel size. Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
2011-05-26Squashfs: update email addressPhillip Lougher1-1/+1
My existing email address may stop working in a month or two, so update email to one that will continue working. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2011-02-28Squashfs: extend decompressor framework to handle compression optionsPhillip Lougher1-0/+34
Extend decompressor framework to handle compression options stored in the filesystem. These options can be used by the relevant decompressor at initialisation time to over-ride defaults. The presence of compression options in the filesystem is indicated by the COMP_OPT filesystem flag. If present the data is read from the filesystem and passed to the decompressor init function. The decompressor init function signature has been extended to take this data. Also update the init function signature in the glib, lzo and xz decompressor wrappers. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2011-01-14Squashfs: simplify CONFIG_SQUASHFS_LZO handlingPhillip Lougher1-6/+2
Get rid of messy repeated #if(n)def CONFIG_SQUASHFS_LZO code in decompressor.c Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2011-01-14Squashfs: move squashfs_i() definition from squashfs.hPhillip Lougher1-1/+0
Move squashfs_i() definition out of squashfs.h, this eliminates the need to #include squashfs_fs_i.h from numerous files. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2011-01-14Squashfs: Add XZ compression configuration optionPhillip Lougher1-0/+7
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2010-08-05Squashfs: Add LZO compression supportChan Jeong1-0/+6
Signed-off-by: Chan Jeong <chan.jeong@lge.com> Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2010-01-21Squashfs: add decompressor entries for lzma and lzoPhillip Lougher1-0/+10
Add knowledge of lzma/lzo compression formats to the decompressor framework. For now these are added as unsupported. Without these entries lzma/lzo compressed filesystems will be flagged as having unknown compression which is undesirable. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2010-01-21Squashfs: add a decompressor frameworkPhillip Lougher1-0/+58
This adds a decompressor framework which allows multiple compression algorithms to be cleanly supported. Also update zlib wrapper and other code to use the new framework. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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