Tejun Heo 2fb98e8414 block: implement request_queue->dma_drain_needed
Draining shouldn't be done for commands where overflow may indicate
data integrity issues.  Add dma_drain_needed callback to
request_queue.  Drain buffer is appened iff this function returns
non-zero.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-19 11:36:53 +01:00
..
2008-02-08 15:33:32 -08:00
2008-02-09 18:24:41 +01:00
2008-02-08 15:33:32 -08:00
2008-01-31 17:40:18 +01:00
2008-02-06 10:41:16 -08:00