linux-kernel - [PATCH] f2fs: fix align check for npo2

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Message-Id: <20230322131408.1192-1-jyh429@gmail.com>
Date:   Wed, 22 Mar 2023 22:14:08 +0900
From:   Yohan Joung <jyh429@...il.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yohan Joung <jyh429@...il.com>,
        Yohan Joung <yohan.joung@...com>
Subject: [PATCH] f2fs: fix align check for npo2

Fix alignment check to be correct in npo2 as well

Signed-off-by: Yohan Joung <yohan.joung@...com>
---
 fs/f2fs/segment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 055e70e77aa2..46458085a8d0 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1858,7 +1858,7 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
 		sector = SECTOR_FROM_BLOCK(blkstart);
 		nr_sects = SECTOR_FROM_BLOCK(blklen);
 
-		if (sector & (bdev_zone_sectors(bdev) - 1) ||
+		if (sector % bdev_zone_sectors(bdev) ||
 				nr_sects != bdev_zone_sectors(bdev)) {
 			f2fs_err(sbi, "(%d) %s: Unaligned zone reset attempted (block %x + %x)",
 				 devi, sbi->s_ndevs ? FDEV(devi).path : "",
-- 
2.25.1