Hi Ming,
On 29.05.2014 00:59, Ming Lei wrote:
> On Wed, May 28, 2014 at 11:42 PM, Ming Lei wrote:
> > Would you mind explaining why bi_iter.bi_size need to be
> > decreased by 'len'? In the failure path, it wasn't added by
> > 'len', was it?
>
> Actually, the correct thing may be like what did i
On Thu, May 29, 2014 at 2:06 PM, Jet Chen wrote:
> On 05/29/2014 01:44 AM, Ming Lei wrote:
> This patch works, thanks.
>
> Tested-by: Jet Chen
Jet, thanks for your test.
On Thu, May 29, 2014 at 3:04 PM, Maurizio Lombardi wrote:
>
> Jens, can you review and merge it?
I will prepare a formal o
On Thu, May 29, 2014 at 02:06:18PM +0800, Jet Chen wrote:
> This patch works, thanks.
>
> Tested-by: Jet Chen
>
> diff --git a/block/bio.c b/block/bio.c
> index 0443694..f9bae56 100644
> --- a/block/bio.c
> +++ b/block/bio.c
> @@ -744,6 +744,7 @@ static int __bio_add_page(struct request_queue *
On 05/29/2014 01:44 AM, Ming Lei wrote:
On Thu, May 29, 2014 at 1:21 AM, Maurizio Lombardi wrote:
Hi Ming,
On Thu, May 29, 2014 at 12:59:19AM +0800, Ming Lei wrote:
Actually, the correct thing may be like what did in the
attached patch, as Maurizio discussed with me[1].
Very interestingly,
On 05/29/2014 12:13 PM, Ming Lei wrote:
On Thu, May 29, 2014 at 11:35 AM, Jet Chen wrote:
On 05/29/2014 12:59 AM, Ming Lei wrote:
On Wed, May 28, 2014 at 11:42 PM, Ming Lei wrote:
Hi Dongsu,
On Wed, May 28, 2014 at 11:09 PM, Dongsu Park
wrote:
From: Dongsu Park
Commit 3979ef4dcf3d1de55a
On Thu, May 29, 2014 at 11:35 AM, Jet Chen wrote:
> On 05/29/2014 12:59 AM, Ming Lei wrote:
>> On Wed, May 28, 2014 at 11:42 PM, Ming Lei wrote:
>>> Hi Dongsu,
>>>
>>> On Wed, May 28, 2014 at 11:09 PM, Dongsu Park
>>> wrote:
From: Dongsu Park
Commit 3979ef4dcf3d1de55a560a3a4016c3
On 05/29/2014 12:59 AM, Ming Lei wrote:
> On Wed, May 28, 2014 at 11:42 PM, Ming Lei wrote:
>> Hi Dongsu,
>>
>> On Wed, May 28, 2014 at 11:09 PM, Dongsu Park
>> wrote:
>>> From: Dongsu Park
>>>
>>> Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
>>> __bio_add_page-to-accept-pages-t
On 05/28/2014 11:09 PM, Dongsu Park wrote:
> From: Dongsu Park
>
> Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
> __bio_add_page-to-accept-pages-that-dont-start-a-new-segment-v3")
> introduced a regression as reported by Jet Chen.
> That results in a kernel BUG at drivers/block/v
On Thu, May 29, 2014 at 1:21 AM, Maurizio Lombardi wrote:
> Hi Ming,
>
> On Thu, May 29, 2014 at 12:59:19AM +0800, Ming Lei wrote:
>>
>> Actually, the correct thing may be like what did in the
>> attached patch, as Maurizio discussed with me[1].
>>
>> Very interestingly, I have reproduced the prob
Hi Ming,
On Thu, May 29, 2014 at 12:59:19AM +0800, Ming Lei wrote:
>
> Actually, the correct thing may be like what did in the
> attached patch, as Maurizio discussed with me[1].
>
> Very interestingly, I have reproduced the problem one time
> with ext4/271 ext4/301 ext4/305, but won't with the
On Wed, May 28, 2014 at 11:42 PM, Ming Lei wrote:
> Hi Dongsu,
>
> On Wed, May 28, 2014 at 11:09 PM, Dongsu Park
> wrote:
>> From: Dongsu Park
>>
>> Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
>> __bio_add_page-to-accept-pages-that-dont-start-a-new-segment-v3")
>> introduced a
Hi Dongsu,
On Wed, May 28, 2014 at 11:09 PM, Dongsu Park
wrote:
> From: Dongsu Park
>
> Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
> __bio_add_page-to-accept-pages-that-dont-start-a-new-segment-v3")
> introduced a regression as reported by Jet Chen.
> That results in a kernel
Hi,
thanks for the patch
On Wed, May 28, 2014 at 05:09:38PM +0200, Dongsu Park wrote:
> From: Dongsu Park
>
> Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
> __bio_add_page-to-accept-pages-that-dont-start-a-new-segment-v3")
> introduced a regression as reported by Jet Chen.
> Th
From: Dongsu Park
Commit 3979ef4dcf3d1de55a560a3a4016c30a835df44d ("bio-modify-
__bio_add_page-to-accept-pages-that-dont-start-a-new-segment-v3")
introduced a regression as reported by Jet Chen.
That results in a kernel BUG at drivers/block/virtio_blk.c:166.
To fix that, bi_iter.bi_size must be
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