From: Jens Axboe <jens.axboe@oracle.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: bharrosh@panasas.com, linux-scsi@vger.kernel.org,
osd-dev@open-osd.org, dgilbert@interlog.com
Subject: Re: [PATCH resend] bsg: Add support for submitting requests at tail of queue
Date: Tue, 24 Mar 2009 13:14:38 +0100 [thread overview]
Message-ID: <20090324121438.GQ27476@kernel.dk> (raw)
In-Reply-To: <20090324210440Z.fujita.tomonori@lab.ntt.co.jp>
On Tue, Mar 24 2009, FUJITA Tomonori wrote:
> On Tue, 24 Mar 2009 10:41:32 +0200
> Boaz Harrosh <bharrosh@panasas.com> wrote:
>
> > Boaz Harrosh wrote:
> > > Hi Tomo Jens
> > >
> > > Tomo you never ack-by on this patch. I absolutely needs this for the
> > > user-mode API of osd-initiator. Which is needed with up-coming exofs
> > > utilities.
> > >
> > > What do you want to do?
> > >
> > > Thanks
> > >
> >
> > Hi Jens.
> >
> > I absolutely need this patch for 2.6.30 merge window. It is totally
> > un-dangerous since defaults are left unchanged.
>
> The question is we really need this feature or not. Though I guess
> that we need to address this starvation issue.
I'd argue that tail insertion should be the most used way to queue
commands, head insertion should only be for the cases where you want
immediate access (like error handling).
--
Jens Axboe
next prev parent reply other threads:[~2009-03-24 12:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-19 9:13 [PATCH resend] bsg: Add support for submitting requests at tail of queue Boaz Harrosh
2009-03-24 8:41 ` Boaz Harrosh
2009-03-24 11:23 ` Jens Axboe
2009-03-24 12:05 ` FUJITA Tomonori
2009-03-24 12:14 ` Jens Axboe [this message]
2009-03-24 12:22 ` FUJITA Tomonori
2009-03-24 12:26 ` Jens Axboe
2009-03-24 12:53 ` Boaz Harrosh
2009-03-25 4:06 ` FUJITA Tomonori
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