From: Christoph Hellwig <hch@lst.de>
To: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
Cc: "Nicholas A. Bellinger" <nab@daterainc.com>,
target-devel <target-devel@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
Hannes Reinecke <hare@suse.de>,
Mike Christie <michaelc@cs.wisc.edu>,
Sagi Grimberg <sagig@dev.mellanox.co.il>,
Andy Grover <agrover@redhat.com>,
Sagi Grimberg <sagig@mellanox.com>,
Mike Christie <mchristi@redhat.com>,
axboe@kernel.dk, linux-block@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: -EAGAIN and -ENOMEM from ->bi_end_io, was Re: [PATCH-v2 2/2] target/iblock: Use -EAGAIN/-ENOMEM to propigate SAM BUSY/TASK_SET_FULL
Date: Tue, 8 Mar 2016 08:04:36 +0100 [thread overview]
Message-ID: <20160308070436.GA14927@lst.de> (raw)
In-Reply-To: <1457390369.30747.28.camel@haakon3.risingtidesystems.com>
On Mon, Mar 07, 2016 at 02:39:29PM -0800, Nicholas A. Bellinger wrote:
> > I explicitly wrote "as-is". We need a way to opt into this behavior,
> > and we also somehow need to communicate the timeout.
>
> What did you have in mind..?
You need an interface to tell the driver that it can return a timeout
status, and preferably also set the actual timeout. The obvious
candidate would be a new method on the queue to set a user timeout,
and if one is set we could get these errors back.
next prev parent reply other threads:[~2016-03-08 7:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-05 7:07 [PATCH-v2 1/2] target: Avoid DataIN transfers for non-GOOD SAM status Nicholas A. Bellinger
2016-03-05 7:07 ` [PATCH-v2 2/2] target/iblock: Use -EAGAIN/-ENOMEM to propigate SAM BUSY/TASK_SET_FULL Nicholas A. Bellinger
2016-03-05 21:01 ` Christoph Hellwig
2016-03-05 22:51 ` Nicholas A. Bellinger
2016-03-06 6:19 ` Christoph Hellwig
2016-03-06 21:55 ` Nicholas A. Bellinger
2016-03-07 7:55 ` Christoph Hellwig
2016-03-07 8:03 ` Nicholas A. Bellinger
2016-03-07 16:18 ` -EAGAIN and -ENOMEM from ->bi_end_io, was " Christoph Hellwig
2016-03-07 22:39 ` Nicholas A. Bellinger
2016-03-08 7:04 ` Christoph Hellwig [this message]
2016-03-07 16:40 ` James Bottomley
2016-03-07 22:44 ` Nicholas A. Bellinger
2016-03-05 21:01 ` [PATCH-v2 1/2] target: Avoid DataIN transfers for non-GOOD SAM status Christoph Hellwig
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