From c6bf3f0e25f4c0f0ecce6cf8d1c589bd9d74d3cf Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 26 Jan 2021 15:52:35 +0100
Subject: block: use an on-stack bio in blkdev_issue_flush

There is no point in allocating memory for a synchronous flush.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/ext4/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fs/ext4/super.c')

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9a6f9875aa34..fb5985102c1d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5709,7 +5709,7 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
 		needs_barrier = true;
 	if (needs_barrier) {
 		int err;
-		err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL);
+		err = blkdev_issue_flush(sb->s_bdev);
 		if (!ret)
 			ret = err;
 	}
-- 
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