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[BLOCK] update SCSI to use new blk_ordered for barriers

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All ordered request related stuff delegated to HLD.  Midlayer
now doens't deal with ordered setting or prepare_flush
callback.  sd.c updated to deal with blk_queue_ordered
setting.  Currently, ordered tag isn't used as SCSI midlayer
cannot guarantee request ordering.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Tejun Heo
2006-01-06 09:52:55 +01:00
committed by Jens Axboe
parent 797e7dbbee
commit 461d4e90c8
5 changed files with 20 additions and 95 deletions
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1
include/scsi/scsi_host.h
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@@ -392,7 +392,6 @@ struct scsi_host_template {
/*
* ordered write support
*/
unsigned ordered_flush:1;
unsigned ordered_tag:1;
/*