linux-kernel - Re: [PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 02 Apr 2014 18:06:08 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Stefan Hajnoczi <stefanha@...il.com>,
	Theodore Ts'o <tytso@....edu>,
	Venkatesh Srinivas <venkateshs@...gle.com>,
	Linux Kernel Developers List <linux-kernel@...r.kernel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Linux Virtualization <virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor

Stefan Hajnoczi <stefanha@...il.com> writes:
> On Tue, Apr 1, 2014 at 4:27 AM, Theodore Ts'o <tytso@....edu> wrote:
>> On Mon, Mar 31, 2014 at 02:22:50PM +1030, Rusty Russell wrote:
>>>
>>> It's head of my virtio-next tree.
>>
>> Hey Rusty,
>>
>> While we have your attention --- what's your opinion about adding TRIM
>> support to virtio-blk.  I understand that you're starting an OASIS
>> standardization process for virtio --- what does that mean vis-a-vis a
>> patch to plumb discard support through virtio-blk?
>
> virtio-scsi already supports discard.  But maybe you cannot switch
> away from virtio-blk?
>
> If you need to add discard to virtio-blk then it could be added to the
> standard.  The standards text is kept in a svn repository here:
> https://tools.oasis-open.org/version-control/browse/wsvn/virtio/

It would be trivial to add, and I wouldn't be completely opposed, but we
generally point to virtio-scsi when people want actual features.

Cheers,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/