On Mon, Oct 29, 2012 at 05:45:15PM +0100, Peter Zijlstra wrote:
> On Mon, 2012-10-29 at 12:38 -0400, Vivek Goyal wrote:
> > Ok, so the question is what's wrong with calling synchronize_rcu() inside
> > a mutex with CONFIG_PREEMPT=y. I don't know. Ccing paul mckenney and
> > peterz.
>
> int
On Mon, Oct 29, 2012 at 12:38:45PM -0400, Vivek Goyal wrote:
> On Mon, Oct 29, 2012 at 07:15:08PM +0900, Jun'ichi Nomura wrote:
> > On 10/27/12 05:21, Vivek Goyal wrote:
> > > On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
> > >> [PATCH] dm: stay in blk_queue_bypass until queue
On Mon, 2012-10-29 at 12:38 -0400, Vivek Goyal wrote:
> Ok, so the question is what's wrong with calling synchronize_rcu() inside
> a mutex with CONFIG_PREEMPT=y. I don't know. Ccing paul mckenney and
> peterz.
int blkcg_activate_policy(struct request_queue *q,
{
...
preloaded
On Mon, Oct 29, 2012 at 07:15:08PM +0900, Jun'ichi Nomura wrote:
> On 10/27/12 05:21, Vivek Goyal wrote:
> > On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
> >> [PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
> >>
> >> With 749fefe677 ("block: lift the
On 10/27/12 05:21, Vivek Goyal wrote:
> On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
>> [PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
>>
>> With 749fefe677 ("block: lift the initial queue bypass mode on
>> blk_register_queue() instead of
On 10/27/12 05:21, Vivek Goyal wrote:
On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
[PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
With 749fefe677 (block: lift the initial queue bypass mode on
blk_register_queue() instead of
On Mon, Oct 29, 2012 at 07:15:08PM +0900, Jun'ichi Nomura wrote:
On 10/27/12 05:21, Vivek Goyal wrote:
On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
[PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
With 749fefe677 (block: lift the initial queue
On Mon, 2012-10-29 at 12:38 -0400, Vivek Goyal wrote:
Ok, so the question is what's wrong with calling synchronize_rcu() inside
a mutex with CONFIG_PREEMPT=y. I don't know. Ccing paul mckenney and
peterz.
int blkcg_activate_policy(struct request_queue *q,
{
...
preloaded =
On Mon, Oct 29, 2012 at 12:38:45PM -0400, Vivek Goyal wrote:
On Mon, Oct 29, 2012 at 07:15:08PM +0900, Jun'ichi Nomura wrote:
On 10/27/12 05:21, Vivek Goyal wrote:
On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
[PATCH] dm: stay in blk_queue_bypass until queue becomes
On Mon, Oct 29, 2012 at 05:45:15PM +0100, Peter Zijlstra wrote:
On Mon, 2012-10-29 at 12:38 -0400, Vivek Goyal wrote:
Ok, so the question is what's wrong with calling synchronize_rcu() inside
a mutex with CONFIG_PREEMPT=y. I don't know. Ccing paul mckenney and
peterz.
int
On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
> [PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
>
> With 749fefe677 ("block: lift the initial queue bypass mode on
> blk_register_queue() instead of blk_init_allocated_queue()"),
> add_disk() eventually calls
On Thu, Oct 25, 2012 at 06:41:11PM +0900, Jun'ichi Nomura wrote:
[PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
With 749fefe677 (block: lift the initial queue bypass mode on
blk_register_queue() instead of blk_init_allocated_queue()),
add_disk() eventually calls
On 10/25/12 18:41, Jun'ichi Nomura wrote:
> With 749fefe677 ("block: lift the initial queue bypass mode on
> blk_register_queue() instead of blk_init_allocated_queue()"),
> add_disk() eventually calls blk_queue_bypass_end().
> This change invokes the following warning when multipath is used.
...
>
[PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
With 749fefe677 ("block: lift the initial queue bypass mode on
blk_register_queue() instead of blk_init_allocated_queue()"),
add_disk() eventually calls blk_queue_bypass_end().
This change invokes the following warning when
[PATCH] dm: stay in blk_queue_bypass until queue becomes initialized
With 749fefe677 (block: lift the initial queue bypass mode on
blk_register_queue() instead of blk_init_allocated_queue()),
add_disk() eventually calls blk_queue_bypass_end().
This change invokes the following warning when
On 10/25/12 18:41, Jun'ichi Nomura wrote:
With 749fefe677 (block: lift the initial queue bypass mode on
blk_register_queue() instead of blk_init_allocated_queue()),
add_disk() eventually calls blk_queue_bypass_end().
This change invokes the following warning when multipath is used.
...
The
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