From: Christoph Hellwig <hch@lst.de>
Date: Tue, 19 Oct 2021 08:25:28 +0200
Subject: [PATCH] fat: use sync_blockdev_nowait
Git-commit: cb9568ee755c8289855a7a5ce0e1ee0082eca576
Patch-mainline: v5.16-rc1
References: jsc#PED-1183

Use sync_blockdev_nowait instead of opencoding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 fs/fat/inode.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index de0c9b013a85..2fd5bfddb695 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1943,10 +1943,8 @@ int fat_flush_inodes(struct super_block *sb, struct inode *i1, struct inode *i2)
 		ret = writeback_inode(i1);
 	if (!ret && i2)
 		ret = writeback_inode(i2);
-	if (!ret) {
-		struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
-		ret = filemap_flush(mapping);
-	}
+	if (!ret)
+		ret = sync_blockdev_nowait(sb->s_bdev);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(fat_flush_inodes);
-- 
2.35.3