diff options
| author | Minchan Kim <minchan@kernel.org> | 2013-10-28 14:26:30 +0900 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 11:00:16 +0200 |
| commit | 48182c4e999b6696de6225af60eec109c5ae748b (patch) | |
| tree | 44c308378b33ebcde5fb5e9609d922ce7059f5d8 /fs/squashfs/Makefile | |
| parent | 6050a34f2e3ed135fc83a659d38fe9d099b3ea7b (diff) | |
squashfs: Enhance parallel I/O
Now squashfs have used for only one stream buffer for decompression
so it hurts parallel read performance so this patch supports
multiple decompressor to enhance performance parallel I/O.
Four 1G file dd read on KVM machine which has 2 CPU and 4G memory.
dd if=test/test1.dat of=/dev/null &
dd if=test/test2.dat of=/dev/null &
dd if=test/test3.dat of=/dev/null &
dd if=test/test4.dat of=/dev/null &
old : 1m39s -> new : 9s
* From v1
* Change comp_strm with decomp_strm - Phillip
* Change/add comments - Phillip
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Change-Id: I8d4b33a797ed45e6ce792a58e6c107d6c8eac9ed
Diffstat (limited to 'fs/squashfs/Makefile')
| -rw-r--r-- | fs/squashfs/Makefile | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile index c223c8439..dfebc3b12 100644 --- a/fs/squashfs/Makefile +++ b/fs/squashfs/Makefile @@ -4,8 +4,15 @@ obj-$(CONFIG_SQUASHFS) += squashfs.o squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o -squashfs-y += namei.o super.o symlink.o decompressor.o decompressor_single.o +squashfs-y += namei.o super.o symlink.o decompressor.o + squashfs-$(CONFIG_SQUASHFS_XATTR) += xattr.o xattr_id.o squashfs-$(CONFIG_SQUASHFS_LZO) += lzo_wrapper.o squashfs-$(CONFIG_SQUASHFS_XZ) += xz_wrapper.o squashfs-$(CONFIG_SQUASHFS_ZLIB) += zlib_wrapper.o + +ifdef CONFIG_SQUASHFS_MULTI_DECOMPRESSOR + squashfs-y += decompressor_multi.o +else + squashfs-y += decompressor_single.o +endif |