writeback: writeback_inodes_sb() should use bdi_start_writeback()



Pointless to iterate other devices looking for a super, when
we have a bdi mapping.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent b3af9468

fs/fs-writeback.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1206,7 +1206,7 @@ void writeback_inodes_sb(struct super_block *sb)
		nr_to_write = nr_dirty + nr_unstable +
		(inodes_stat.nr_inodes - inodes_stat.nr_unused);

		bdi_writeback_all(sb, nr_to_write);
		bdi_start_writeback(sb->s_bdi, nr_to_write);
		}
		EXPORT_SYMBOL(writeback_inodes_sb);