f2fs: change default compression algorithm

Use LZ4 as default compression algorithm, as compared to LZO, it shows
almost the same compression ratio and much better decompression speed.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 252d4ea926bf6d571f7015c30dcfe23c42d999f4..0c901a4d3d445a02b4973d2fef0c9db1c44b26f3 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1570,7 +1570,7 @@ static void default_options(struct f2fs_sb_info *sbi)
        F2FS_OPTION(sbi).test_dummy_encryption = false;
        F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID);
        F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID);
-       F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZO;
+       F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4;
        F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE;
        F2FS_OPTION(sbi).compress_ext_cnt = 0;
        F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON;