On Thu, Jun 14 2018, Mike Snitzer wrote:
> On Thu, Jun 14 2018 at 2:12P -0400,
> Mike Snitzer wrote:
>
>> On Thu, Jun 14 2018 at 4:19am -0400,
>> Christoph Hellwig wrote:
>>
>> > Hi Neil,
>> >
>> > In commit 18a25da8 ("dm: ensure bio submission follows a depth-first
>> > tree walk") you've a
On Thu, Jun 14 2018 at 2:12P -0400,
Mike Snitzer wrote:
> On Thu, Jun 14 2018 at 4:19am -0400,
> Christoph Hellwig wrote:
>
> > Hi Neil,
> >
> > In commit 18a25da8 ("dm: ensure bio submission follows a depth-first
> > tree walk") you've added a call to bio_clone_bioset to
> > __split_and_pro
On Thu, 14 Jun 2018, Michal Hocko wrote:
> On Thu 14-06-18 15:18:58, jing xia wrote:
> [...]
> > PID: 22920 TASK: ffc0120f1a00 CPU: 1 COMMAND: "kworker/u8:2"
> > #0 [ffc0282af3d0] __switch_to at ff8008085e48
> > #1 [ffc0282af3f0] __schedule at ff8008850cc8
> > #2 [fff
On Thu, Jun 14 2018 at 4:19am -0400,
Christoph Hellwig wrote:
> Hi Neil,
>
> In commit 18a25da8 ("dm: ensure bio submission follows a depth-first
> tree walk") you've added a call to bio_clone_bioset to
> __split_and_process_bio. Unlike all other bio splitting code this
> actually allocates a
On Thu, Jun 14, 2018 at 7:33 AM Dan Carpenter wrote:
> Apparently, if the read is a blocking read then new_read() returns NULL.
It looks like new_read can return NULL only if it's called with NF_GET
or NF_PREFETCH. dm_bufio_read calls it with NF_READ, which means it
shouldn't return NULL. Someone
Hello Sami Tolvanen,
The patch a739ff3f543a: "dm verity: add support for forward error
correction" from Dec 3, 2015, leads to the following static checker
warning:
drivers/md/dm-verity-fec.c:147 fec_decode_bufs()
warn: 'par' can also be NULL
drivers/md/dm-verity-fec.c
128 sta
Hi Neil,
In commit 18a25da8 ("dm: ensure bio submission follows a depth-first
tree walk") you've added a call to bio_clone_bioset to
__split_and_process_bio. Unlike all other bio splitting code this
actually allocates a new bio_vec array instead of just splitting the bio
and the iterator. I can'
Thanks for your comment.
On Wed, Jun 13, 2018 at 10:02 PM, Mikulas Patocka wrote:
>
>
> On Tue, 12 Jun 2018, Mike Snitzer wrote:
>
>> On Tue, Jun 12 2018 at 4:03am -0400,
>> Jing Xia wrote:
>>
>> > Performance test in android reports that the phone sometimes gets
>> > hanged and shows black scr
Thank for your comment,I appreciate it.
On Wed, Jun 13, 2018 at 5:20 AM, Mike Snitzer wrote:
> On Tue, Jun 12 2018 at 4:03am -0400,
> Jing Xia wrote:
>
>> Performance test in android reports that the phone sometimes gets
>> hanged and shows black screen for about several minutes.The sysdump sho
On Thu 14-06-18 15:18:58, jing xia wrote:
[...]
> PID: 22920 TASK: ffc0120f1a00 CPU: 1 COMMAND: "kworker/u8:2"
> #0 [ffc0282af3d0] __switch_to at ff8008085e48
> #1 [ffc0282af3f0] __schedule at ff8008850cc8
> #2 [ffc0282af450] schedule at ff8008850f4c
> #3 [ff
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