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Date:   Wed, 23 Dec 2020 16:33:26 +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, Jia Yang <jiayang5@...wei.com>,
        Jack Qiu <jack.qiu@...wei.com>, Chao Yu <yuchao0@...wei.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 5.10 25/40] f2fs: init dirty_secmap incorrectly

From: Jack Qiu <jack.qiu@...wei.com>

commit 5335bfc6eb688344bfcd4b4133c002c0ae0d0719 upstream.

section is dirty, but dirty_secmap may not set

Reported-by: Jia Yang <jiayang5@...wei.com>
Fixes: da52f8ade40b ("f2fs: get the right gc victim section when section has several segments")
Cc: <stable@...r.kernel.org>
Signed-off-by: Jack Qiu <jack.qiu@...wei.com>
Reviewed-by: Chao Yu <yuchao0@...wei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/f2fs/segment.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -4544,7 +4544,7 @@ static void init_dirty_segmap(struct f2f
 		return;
 
 	mutex_lock(&dirty_i->seglist_lock);
-	for (segno = 0; segno < MAIN_SECS(sbi); segno += blks_per_sec) {
+	for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
 		valid_blocks = get_valid_blocks(sbi, segno, true);
 		secno = GET_SEC_FROM_SEG(sbi, segno);
 


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