tree f54c880aec9289895721e707d4b22e456b277127
parent 80a761fd33cf812f771e212139157bf8f58d4b3f
author Tejun Heo <tj@kernel.org> 1252672000 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1252672410 +0200

scsi,block: update SCSI to handle mixed merge failures

Update scsi_io_completion() such that it only fails requests till the
next error boundary and retry the leftover.  This enables block layer
to merge requests with different failfast settings and still behave
correctly on errors.  Allow merge of requests of different failfast
settings.

As SCSI is currently the only subsystem which follows failfast status,
there's no need to worry about other block drivers for now.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Niel Lambrechts <niel.lambrechts@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>