writeback: writeback_inodes_sb() should use bdi_start_writeback()
authorJens Axboe <jens.axboe@oracle.com>
Fri, 25 Sep 2009 15:15:03 +0000 (17:15 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 25 Sep 2009 16:08:26 +0000 (18:08 +0200)
Pointless to iterate other devices looking for a super, when
we have a bdi mapping.

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

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