Hi,
This is the latest version of the performance improvement
patches.
Patch 3/7 is a V2 of the percpu patch following review.
If there are no further review comments/objections I
intend to get these merged.
Any objections, then please object now.
Thanks
Phillip
Minchan Kim (1):
squashfs: Enhance parallel I/O
Phillip Lougher (6):
Squashfs: Refactor decompressor interface and code
Squashfs: Add multi-threaded decompression using percpu variables (V2)
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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