fat: use sync_blockdev_nowait

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>

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index de0c9b013a8512098dbf73f5463b882cb45327f6..2fd5bfddb6958b6421504eb878880f820dc34afc 100644 (file)
--- 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);