On 2/19/19 5:17 PM, Ming Lei wrote:
On Tue, Feb 19, 2019 at 08:28:19AM -0800, Bart Van Assche wrote:
With this patch applied test nvmeof-mp/002 fails as follows:
[ 694.700400] kernel BUG at lib/sg_pool.c:103!
[ 694.705932] invalid opcode: [#1] PREEMPT SMP KASAN
[ 694.708297] CPU: 2 PID:
On Tue, Feb 19, 2019 at 08:28:19AM -0800, Bart Van Assche wrote:
> On Sun, 2019-02-17 at 21:11 +0800, Ming Lei wrote:
> > The following patch should fix this issue:
> >
> >
> > diff --git a/block/blk-merge.c b/block/blk-merge.c
> > index bed065904677..066b66430523 100644
> > --- a/block/blk-merge
On Sun, 2019-02-17 at 21:11 +0800, Ming Lei wrote:
> The following patch should fix this issue:
>
>
> diff --git a/block/blk-merge.c b/block/blk-merge.c
> index bed065904677..066b66430523 100644
> --- a/block/blk-merge.c
> +++ b/block/blk-merge.c
> @@ -363,13 +363,15 @@ static unsigned int __blk_
On Sun, Feb 17, 2019 at 09:13:32PM +0800, Ming Lei wrote:
> On Fri, Feb 15, 2019 at 10:59:47AM -0700, Jens Axboe wrote:
> > On 2/15/19 10:14 AM, Bart Van Assche wrote:
> > > On Fri, 2019-02-15 at 08:49 -0700, Jens Axboe wrote:
> > >> On 2/15/19 4:13 AM, Ming Lei wrote:
> > >>> This patchset brings
On Fri, Feb 15, 2019 at 10:59:47AM -0700, Jens Axboe wrote:
> On 2/15/19 10:14 AM, Bart Van Assche wrote:
> > On Fri, 2019-02-15 at 08:49 -0700, Jens Axboe wrote:
> >> On 2/15/19 4:13 AM, Ming Lei wrote:
> >>> This patchset brings multi-page bvec into block layer:
> >>
> >> Applied, thanks Ming. Le
On Fri, Feb 15, 2019 at 09:14:15AM -0800, Bart Van Assche wrote:
> On Fri, 2019-02-15 at 08:49 -0700, Jens Axboe wrote:
> > On 2/15/19 4:13 AM, Ming Lei wrote:
> > > This patchset brings multi-page bvec into block layer:
> >
> > Applied, thanks Ming. Let's hope it sticks!
>
> Hi Jens and Ming,
>
On Fri, Feb 15, 2019 at 03:51:26PM +0100, Christoph Hellwig wrote:
> I still don't understand why mp_bvec_last_segment isn't simply
> called bvec_last_segment as there is no conflict. But I don't
> want to hold this series up on that as there only are two users
> left and we can always just fix it
On 2/15/19 10:14 AM, Bart Van Assche wrote:
> On Fri, 2019-02-15 at 08:49 -0700, Jens Axboe wrote:
>> On 2/15/19 4:13 AM, Ming Lei wrote:
>>> This patchset brings multi-page bvec into block layer:
>>
>> Applied, thanks Ming. Let's hope it sticks!
>
> Hi Jens and Ming,
>
> Test nvmeof-mp/002 fails
On Fri, 2019-02-15 at 08:49 -0700, Jens Axboe wrote:
> On 2/15/19 4:13 AM, Ming Lei wrote:
> > This patchset brings multi-page bvec into block layer:
>
> Applied, thanks Ming. Let's hope it sticks!
Hi Jens and Ming,
Test nvmeof-mp/002 fails with Jens' for-next branch from this morning.
I have no
On 2/15/19 4:13 AM, Ming Lei wrote:
> Hi,
>
> This patchset brings multi-page bvec into block layer:
>
> 1) what is multi-page bvec?
>
> Multipage bvecs means that one 'struct bio_bvec' can hold multiple pages
> which are physically contiguous instead of one single page used in linux
> kernel fo
I still don't understand why mp_bvec_last_segment isn't simply
called bvec_last_segment as there is no conflict. But I don't
want to hold this series up on that as there only are two users
left and we can always just fix it up later.
Hi,
This patchset brings multi-page bvec into block layer:
1) what is multi-page bvec?
Multipage bvecs means that one 'struct bio_bvec' can hold multiple pages
which are physically contiguous instead of one single page used in linux
kernel for long time.
2) why is multi-page bvec introduced?
K
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