linux-kernel - [PATCH] exfat: fix missing REQ_SYNC in exfat_update

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Message-ID: <HK2PR04MB3891563FC310AE5E70896932817B9@HK2PR04MB3891.apcprd04.prod.outlook.com>
Date:   Mon, 20 Dec 2021 01:52:26 +0000
From:   <Yuezhang.Mo@...y.com>
To:     <linkinjeon@...nel.org>, <sj1557.seo@...sung.com>
CC:     <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] exfat: fix missing REQ_SYNC in exfat_update_bhs()

If 'dirsync' is enabled, all directory updates within the
filesystem should be done synchronously. exfat_update_bh()
does as this, but exfat_update_bhs() does not.

Signed-off-by: Yuezhang.Mo <Yuezhang.Mo@...y.com>
Reviewed-by: Andy.Wu <Andy.Wu@...y.com>
Reviewed-by: Aoyama, Wataru <wataru.aoyama@...y.com>
Reviewed-by: Kobayashi, Kento <Kento.A.Kobayashi@...y.com>
---
 fs/exfat/misc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/exfat/misc.c b/fs/exfat/misc.c
index d34e6193258d..d5bd8e6d9741 100644
--- a/fs/exfat/misc.c
+++ b/fs/exfat/misc.c
@@ -10,6 +10,7 @@
 #include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
+#include <linux/blk_types.h>
 
 #include "exfat_raw.h"
 #include "exfat_fs.h"
@@ -180,7 +181,7 @@ int exfat_update_bhs(struct buffer_head **bhs, int nr_bhs, int sync)
 		set_buffer_uptodate(bhs[i]);
 		mark_buffer_dirty(bhs[i]);
 		if (sync)
-			write_dirty_buffer(bhs[i], 0);
+			write_dirty_buffer(bhs[i], REQ_SYNC);
 	}
 
 	for (i = 0; i < nr_bhs && sync; i++) {
-- 
2.25.1
View attachment "0001-exfat-fix-missing-REQ_SYNC-in-exfat_update_bhs.patch" of type "text/x-patch" (1273 bytes)