linux-kernel - [GIT PULL] Squashfs updates for 3.13

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Date:	Wed, 20 Nov 2013 18:37:24 +0000
From:	Phillip Lougher <phillip@...gher.demon.co.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Minchan Kim <minchan@...nel.org>
Subject: [GIT PULL] Squashfs updates for 3.13

Hi Linus,

Please pull the following Squashfs updates ...

Thanks

Phillip

The following changes since commit 959f58544b7f20c92d5eb43d1232c96c15c01bfb:

   Linux 3.12-rc7 (2013-10-27 16:12:03 -0700)

are available in the git repository at:

   git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next.git tags/squashfs-updates

for you to fetch changes up to ed4f381ec15e5f11724cdbc68cffd2c22d1eaebd:

   Squashfs: Check stream is not NULL in decompressor_multi.c (2013-11-20 03:59:20 +0000)

----------------------------------------------------------------
These patches optionally improve the multi-threading peformance
of Squashfs by adding parallel decompression, and direct
decompression into the page cache, eliminating an intermediate
buffer (removing memcpy overhead and lock contention).

----------------------------------------------------------------
Minchan Kim (1):
       squashfs: Enhance parallel I/O

Phillip Lougher (6):
       Squashfs: Refactor decompressor interface and code
       Squashfs: add multi-threaded decompression using percpu variable
       Squashfs: Generalise paging handling in the decompressors
       Squashfs: Restructure squashfs_readpage()
       Squashfs: Directly decompress into the page cache for file data
       Squashfs: Check stream is not NULL in decompressor_multi.c

  fs/squashfs/Kconfig                     |  72 ++++++++++++
  fs/squashfs/Makefile                    |   5 +
  fs/squashfs/block.c                     |  36 +++---
  fs/squashfs/cache.c                     |  28 ++++-
  fs/squashfs/decompressor.c              |  59 +++++++---
  fs/squashfs/decompressor.h              |  24 ++--
  fs/squashfs/decompressor_multi.c        | 198 ++++++++++++++++++++++++++++++++
  fs/squashfs/decompressor_multi_percpu.c |  97 ++++++++++++++++
  fs/squashfs/decompressor_single.c       |  85 ++++++++++++++
  fs/squashfs/file.c                      | 142 ++++++++++++-----------
  fs/squashfs/file_cache.c                |  38 ++++++
  fs/squashfs/file_direct.c               | 173 ++++++++++++++++++++++++++++
  fs/squashfs/lzo_wrapper.c               |  47 ++++----
  fs/squashfs/page_actor.c                | 100 ++++++++++++++++
  fs/squashfs/page_actor.h                |  81 +++++++++++++
  fs/squashfs/squashfs.h                  |  20 +++-
  fs/squashfs/squashfs_fs_sb.h            |   4 +-
  fs/squashfs/super.c                     |  10 +-
  fs/squashfs/xz_wrapper.c                | 105 +++++++++--------
  fs/squashfs/zlib_wrapper.c              |  64 ++++-------
  20 files changed, 1145 insertions(+), 243 deletions(-)
  create mode 100644 fs/squashfs/decompressor_multi.c
  create mode 100644 fs/squashfs/decompressor_multi_percpu.c
  create mode 100644 fs/squashfs/decompressor_single.c
  create mode 100644 fs/squashfs/file_cache.c
  create mode 100644 fs/squashfs/file_direct.c
  create mode 100644 fs/squashfs/page_actor.c
  create mode 100644 fs/squashfs/page_actor.h
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