On Mon, May 21, 2018 at 10:25:17AM -0600, Keith Busch wrote:
> On Tue, May 22, 2018 at 12:08:37AM +0800, Ming Lei wrote:
> > Please take a look at blk_mq_complete_request(). Even with Bart's
> > change, the request still won't be completed by driver. The request can
> > only be completed by either
On Tue, May 22, 2018 at 12:08:37AM +0800, Ming Lei wrote:
> Please take a look at blk_mq_complete_request(). Even with Bart's
> change, the request still won't be completed by driver. The request can
> only be completed by either driver or blk-mq, not both.
So you're saying blk-mq can't complete a
On Mon, May 21, 2018 at 09:59:09AM -0600, Keith Busch wrote:
> On Mon, May 21, 2018 at 11:25:43PM +0800, Ming Lei wrote:
> > On Mon, May 21, 2018 at 08:04:13AM -0600, Keith Busch wrote:
> > > On Sat, May 19, 2018 at 08:01:42AM +0800, Ming Lei wrote:
> > > > > You keep saying that, but the controlle
On Mon, May 21, 2018 at 11:25:43PM +0800, Ming Lei wrote:
> On Mon, May 21, 2018 at 08:04:13AM -0600, Keith Busch wrote:
> > On Sat, May 19, 2018 at 08:01:42AM +0800, Ming Lei wrote:
> > > > You keep saying that, but the controller state is global to the
> > > > controller. It doesn't matter which
On Mon, May 21, 2018 at 08:04:13AM -0600, Keith Busch wrote:
> On Sat, May 19, 2018 at 08:01:42AM +0800, Ming Lei wrote:
> > > You keep saying that, but the controller state is global to the
> > > controller. It doesn't matter which namespace request_queue started the
> > > reset: every namespaces
On Sat, May 19, 2018 at 08:01:42AM +0800, Ming Lei wrote:
> > You keep saying that, but the controller state is global to the
> > controller. It doesn't matter which namespace request_queue started the
> > reset: every namespaces request queue sees the RESETTING controller state
>
> When timeouts
On Fri, May 18, 2018 at 05:44:08PM -0600, Keith Busch wrote:
> On Sat, May 19, 2018 at 06:32:11AM +0800, Ming Lei wrote:
> > This way can't sync timeout reliably, since timeout events can
> > come from two NS at the same time, and one may be handled as
> > RESET_TIMER, and another one can be handle
On Sat, May 19, 2018 at 06:32:11AM +0800, Ming Lei wrote:
> This way can't sync timeout reliably, since timeout events can
> come from two NS at the same time, and one may be handled as
> RESET_TIMER, and another one can be handled as EH_HANDLED.
You keep saying that, but the controller state is g
On Fri, May 18, 2018 at 10:38:18AM -0600, Keith Busch wrote:
> This patch fixes races that occur with simultaneous controller
> resets by synchronizing request queues prior to initializing the
> controller. Withouth this, a thread may attempt disabling a controller
> at the same time as we're tryin
This patch fixes races that occur with simultaneous controller
resets by synchronizing request queues prior to initializing the
controller. Withouth this, a thread may attempt disabling a controller
at the same time as we're trying to enable it.
Signed-off-by: Keith Busch
---
drivers/nvme/host/c
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