writeback: only use bdi_writeback_all() for WB_SYNC_NONE writeout
authorJens Axboe <jens.axboe@oracle.com>
Tue, 15 Sep 2009 07:53:35 +0000 (09:53 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 16 Sep 2009 13:18:51 +0000 (15:18 +0200)
Data integrity writeback must use bdi_start_writeback() and ensure
that wbc->sb and wbc->bdi are set.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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