Re: [PATCH 1/3] block: add queue flag for paravirt frontend drivers

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From: Jens Axboe

Subject: Re: [PATCH 1/3] block: add queue flag for paravirt frontend drivers

Date: Monday, October 27, 2008 - 5:56 am

On Mon, Oct 27 2008, Fernando Luis Vázquez Cao wrote:
quoted text> As is the case with SSD devices, we do not want to idle in AS/CFQ when
> the block device is a paravirt front-end driver. This patch adds a flag
> (QUEUE_FLAG_VIRT) which should be used by front-end drivers such as
> virtio_blk and xen-blkfront to indicate a paravirtualized device.

All three patches look fine, although we could just reuse
QUEUE_FLAG_NONROT directly. But I agree it makes sense to make the
distinction, so I've just applied 1-3.

-- 
Jens Axboe

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Messages in current thread:

[PATCH] virtio_blk: use noop elevator by default, Fernando Luis , (Tue Aug 26, 5:48 am)

Re: [PATCH] virtio_blk: use noop elevator by default, Jens Axboe, (Tue Aug 26, 7:39 am)

Re: [PATCH] virtio_blk: use noop elevator by default, Fernando Luis , (Tue Aug 26, 10:14 pm)

Re: [PATCH] virtio_blk: use noop elevator by default, Fernando Luis , (Mon Oct 27, 2:43 am)

[PATCH 1/3] block: add queue flag for paravirt frontend dr ..., Fernando Luis , (Mon Oct 27, 2:44 am)

[PATCH 2/3] virtio_blk: set queue paravirt flag, Fernando Luis , (Mon Oct 27, 2:45 am)

[PATCH 3/3] xen-blkfront: set queue paravirt flag, Fernando Luis , (Mon Oct 27, 2:45 am)

Re: [PATCH 1/3] block: add queue flag for paravirt fronten ..., Jens Axboe, (Mon Oct 27, 5:56 am)

Re: [PATCH 1/3] block: add queue flag for paravirt fronten ..., Jeremy Fitzhardinge, (Tue Nov 4, 4:23 pm)

Re: [PATCH 1/3] block: add queue flag for paravirt fronten ..., Jens Axboe, (Wed Nov 5, 2:20 am)

Re: [PATCH 1/3] block: add queue flag for paravirt fronten ..., Fernando Luis , (Wed Nov 5, 3:49 am)