On 31.08.2015 16:59, Konstantin Khorenko wrote:
> Maxim, please review.
>
> Do we need the same in PCS6?
yes, backport to rh6 is required because of
https://bugs.openvz.org/browse/OVZ-6293
1294400.800014] INFO: task jbd2/ploop27926:1692 blocked for more than 120
seconds.
[1294400.800121] Not
Yes, I think so.
On 08/31/2015 06:59 AM, Konstantin Khorenko wrote:
Maxim, please review.
Do we need the same in PCS6?
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
On 08/17/2015 04:30 PM, Vladimir Davydov wrote:
Currently, we use GFP_NOFS, which may result in a dead
On 08/31/2015 06:59 AM, Konstantin Khorenko wrote:
Maxim, please review.
Maxim,
Perhaps the following analysis by Alex Kompel will be helpful for you
while reviewing this patch:
I ran into the same issue. I think the problem arises when ploop code
calls bio_alloc from ploop_make_request
Maxim, please review.
Do we need the same in PCS6?
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
On 08/17/2015 04:30 PM, Vladimir Davydov wrote:
Currently, we use GFP_NOFS, which may result in a dead lock as follows:
filemap_fault
do_mpage_readpage
submit_bio
Currently, we use GFP_NOFS, which may result in a dead lock as follows:
filemap_fault
do_mpage_readpage
submit_bio
generic_make_request initializes current-bio_list
calls make_request_fn
ploop_make_request
bio_alloc(GFP_NOFS)
