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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 12 Jun 2023 08:17:05 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: [PATCH] f2fs: set zstd default compression level to
 ZSTD_CLEVEL_DEFAULT

ZSTD does not support compress_level=0.

The commit d7ffafc99c42 ("f2fs: add sanity compress level check for compressed file")
started to complain this.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
Change log from v1:
 - use default macro

 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..ce3b628b5072 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 = ZSTD_CLEVEL_DEFAULT;
 		return 0;
 	}
 
-- 
2.41.0.162.gfafddb0af9-goog