From: Asias He <asias@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Tejun Heo <tj@kernel.org>, Shaohua Li <shli@kernel.org>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH V5 3/4] virtio-blk: Add bio-based IO path for virtio-blk
Date: Fri, 03 Aug 2012 15:11:05 +0800 [thread overview]
Message-ID: <501B7989.2080903@redhat.com> (raw)
In-Reply-To: <20120802222814.GA5854@redhat.com>
On 08/03/2012 06:28 AM, Michael S. Tsirkin wrote:
> On Thu, Aug 02, 2012 at 02:25:55PM +0800, Asias He wrote:
>> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
>> index c0bbeb4..95cfeed 100644
>> --- a/drivers/block/virtio_blk.c
>> +++ b/drivers/block/virtio_blk.c
>> @@ -14,6 +14,9 @@
>>
>> #define PART_BITS 4
>>
>> +static bool use_bio;
>> +module_param(use_bio, bool, S_IRUGO);
>> +
>> static int major;
>> static DEFINE_IDA(vd_index_ida);
>>
>
> OK, but eventually, you plan to make this use a feature bit, yes?
Yes, I think so.
--
Asias
next prev parent reply other threads:[~2012-08-03 7:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 6:25 [PATCH V5 0/4] Improve virtio-blk performance Asias He
2012-08-02 6:25 ` [PATCH V5 1/4] block: Introduce __blk_segment_map_sg() helper Asias He
2012-08-02 6:25 ` [PATCH V5 2/4] block: Add blk_bio_map_sg() helper Asias He
2012-08-02 6:25 ` [PATCH V5 3/4] virtio-blk: Add bio-based IO path for virtio-blk Asias He
2012-08-02 22:28 ` Michael S. Tsirkin
2012-08-03 7:11 ` Asias He [this message]
2012-08-02 6:25 ` [PATCH V5 4/4] virtio-blk: Add REQ_FLUSH and REQ_FUA support to bio path Asias He
2012-08-02 6:27 ` Christoph Hellwig
2012-08-02 6:43 ` Asias He
2012-08-06 15:17 ` Christoph Hellwig
2012-08-07 8:50 ` Asias He
2012-08-02 21:40 ` [PATCH V5 0/4] Improve virtio-blk performance Jens Axboe
2012-08-03 7:08 ` Asias He
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