linux-kernel - [PATCH 5.10 051/154] f2fs: fix to use WHINT

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Message-Id: <20211124115703.982619688@linuxfoundation.org>
Date:   Wed, 24 Nov 2021 12:57:27 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chao Yu <chao@...nel.org>,
        tanghuan <tanghuan@...o.com>,
        Keoseong Park <keosung.park@...sung.com>,
        Fengnan Chang <changfengnan@...o.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 051/154] f2fs: fix to use WHINT_MODE

From: Keoseong Park <keosung.park@...sung.com>

[ Upstream commit 011e0868e0cf1237675b22e36fffa958fb08f46e ]

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>
Fixes: d0b9e42ab615 (f2fs: introduce inmem curseg)
Reported-by: tanghuan <tanghuan@...o.com>
Signed-off-by: Keoseong Park <keosung.park@...sung.com>
Signed-off-by: Fengnan Chang <changfengnan@...o.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Sasha Levin <sashal@...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 de543168b3708..70b513e66af77 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1020,7 +1020,7 @@ 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;
 	return 0;
 }
-- 
2.33.0