From 2a9e9813cd393db45afe339d38d149a25e5df7c1 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Mon, 21 Aug 2023 23:22:25 +0800 Subject: [PATCH] f2fs: compress: fix to assign compress_level for lz4 correctly After remount, F2FS_OPTION().compress_level was assgin to LZ4HC_DEFAULT_CLEVEL incorrectly, result in lz4hc:9 was enabled, fix it. 1. mount /dev/vdb /dev/vdb on /mnt/f2fs type f2fs (...,compress_algorithm=lz4,compress_log_size=2,...) 2. mount -t f2fs -o remount,compress_log_size=3 /mnt/f2fs/ 3. mount|grep f2fs /dev/vdb on /mnt/f2fs type f2fs (...,compress_algorithm=lz4:9,compress_log_size=3,...) Fixes: 00e120b5e4b5 ("f2fs: assign default compression level") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index f810720d6f12..385fc9350d9d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -588,7 +588,7 @@ static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) unsigned int level; if (strlen(str) == 3) { - F2FS_OPTION(sbi).compress_level = LZ4HC_DEFAULT_CLEVEL; + F2FS_OPTION(sbi).compress_level = 0; return 0; }