linux-kernel - [PATCH] f2fs: set zstd default compression level to 3

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Message-ID: <20230607162954.2651657-1-jaegeuk@kernel.org>
Date:   Wed,  7 Jun 2023 09:29:54 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH] f2fs: set zstd default compression level to 3

ZSTD does not support compress_level=0.

The commit d7ffafc99c42 ("f2fs: add sanity compress level check for compressed file")
revealed the issue.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 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 8fd23caa1ed9..1fb8d4f27a40 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -627,7 +627,7 @@ static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str)
 	int len = 4;
 
 	if (strlen(str) == len) {
-		F2FS_OPTION(sbi).compress_level = 0;
+		F2FS_OPTION(sbi).compress_level = 3;
 		return 0;
 	}
 
-- 
2.41.0.rc0.172.g3f132b7071-goog