Discussing about the performance of squashfs, I have tried enabling parallel decompression. On my test system, the elapsed time to read 59171 files randomly 10 times becomes 33.25sec to 20.54sec (of course, CPU usage increases). The base version is v2.6.33. J. R. Okajima (2): squashfs parallel decompression, early wait_on_buffer squashfs parallel decompression, z_stream per cpu fs/squashfs/block.c | 81 +++++++++++++++++------------------------ fs/squashfs/cache.c | 1 + fs/squashfs/dir.c | 1 + fs/squashfs/export.c | 1 + fs/squashfs/file.c | 1 + fs/squashfs/fragment.c | 1 + fs/squashfs/id.c | 1 + fs/squashfs/inode.c | 1 + fs/squashfs/namei.c | 1 + fs/squashfs/squashfs.h | 3 ++ fs/squashfs/squashfs_fs_sb.h | 2 - fs/squashfs/super.c | 48 +++++++++++++++++++------ fs/squashfs/symlink.c | 1 + 13 files changed, 83 insertions(+), 60 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
