Partial (de)compression API

The following patch series adds support for partial (de)compression to the
CRYPTO API, and modifies SquashFS 4 to use this:
  [1] crypto: compress - Add pcomp interface
  [2] crypto: testmgr - Add support for the pcomp interface
  [3] crypto: api - Add type init function to crypto_tfm
  [4] crypto: api - Export pcomp through comp
  [5] crypto: deflate - switch to pcomp
  [6] crypto: testmgr - swith deflate test to pcomp
  [7] squashfs: Make SquashFS 4 use the new pcomp crypto interface

The backwards-compatibility layer has been tested with IPComp and UBIFS.

Changes since last version (2008-12-17):
  - Model the "pcomp" crypto interface on the new crypto types,
  - Remove the comp_request parameter from *_{,de}compress_init(),
  - Update for recent Squashfs changes (Squashfs is now in mainline).

Thanks for your comments!

 crypto/Kconfig                     |    6 +-
 crypto/Makefile                    |    2 +
 crypto/api.c                       |   20 ++-
 crypto/deflate.c                   |  350 ++++++++++++++++++++++++++----------
 crypto/pcompress.c                 |  203 +++++++++++++++++++++
 crypto/testmgr.c                   |  185 +++++++++++++++++++-
 crypto/testmgr.h                   |   33 ++++-
 fs/Kconfig                         |    3 +-
 fs/squashfs/block.c                |   81 +++++----
 fs/squashfs/squashfs_fs_sb.h       |    2 +-
 fs/squashfs/super.c                |   36 +++-
 include/crypto/compress.h          |  147 +++++++++++++++
 include/crypto/internal/compress.h |   29 +++
 include/linux/crypto.h             |    9 +-
 14 files changed, 953 insertions(+), 153 deletions(-)

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium

Phone:    +32 (0)2 700 8453
Fax:      +32 (0)2 700 8622
E-mail:   Geert.Uytterhoeven@sonycom.com
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