linux-kernel - [PATCH v2] f2fs: fix to use WHINT

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Date:   Thu, 30 Sep 2021 09:59:39 +0900
From:   Keoseong Park <keosung.park@...sung.com>
To:     "jaegeuk@...nel.org" <jaegeuk@...nel.org>,
        "chao@...nel.org" <chao@...nel.org>
CC:     "linux-f2fs-devel@...ts.sourceforge.net" 
        <linux-f2fs-devel@...ts.sourceforge.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tanghuan@...o.com" <tanghuan@...o.com>,
        "changfengnan@...o.com" <changfengnan@...o.com>,
        Daejun Park <daejun7.park@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>
Subject: [PATCH v2] f2fs: fix to use WHINT_MODE

Since active_logs can be set to 2 or 4 or NR_CURSEG_PERSIST_TYPE(6),
it cannot be set to NR_CURSEG_TYPE(8).
That is, whint_mode is always off.

Therefore, the condition is changed from NR_CURSEG_TYPE to NR_CURSEG_PERSIST_TYPE.

Cc: Chao Yu <chao@...nel.org>
Reported-by: Huan Tang <tanghuan@...o.com>
Signed-off-by: Fengnan Chang <changfengnan@...o.com>
Signed-off-by: Keoseong Park <keosung.park@...sung.com>
---
v1 -> v2:
	* Merge Signed-off and Reported tags for the same fix patch.

 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 78ebc306ee2b..86eeb019cc52 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1292,7 +1292,7 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 	/* Not pass down write hints if the number of active logs is lesser
 	 * than NR_CURSEG_PERSIST_TYPE.
 	 */
-	if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE)
+	if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_PERSIST_TYPE)
 		F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
 
 	if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
-- 
2.17.1