Ming Lei - 27.09.17, 16:27:
> On Wed, Sep 27, 2017 at 09:57:37AM +0200, Martin Steigerwald wrote:
> > Hi Ming.
> >
> > Ming Lei - 27.09.17, 13:48:
> > > Hi,
> > >
> > > The current SCSI quiesce isn't safe and easy to trigger I/O deadlock.
> > >
> > > Once SCSI device is put into QUIESCE, no new
Hey.
I can confirm that v6 of your patchset still works well for me. Tested on
v4.13 kernel.
Thanks.
On středa 27. září 2017 10:52:41 CEST Ming Lei wrote:
> On Wed, Sep 27, 2017 at 04:27:51PM +0800, Ming Lei wrote:
> > On Wed, Sep 27, 2017 at 09:57:37AM +0200, Martin Steigerwald wrote:
> > > Hi
On Wed, Sep 27, 2017 at 04:27:51PM +0800, Ming Lei wrote:
> On Wed, Sep 27, 2017 at 09:57:37AM +0200, Martin Steigerwald wrote:
> > Hi Ming.
> >
> > Ming Lei - 27.09.17, 13:48:
> > > Hi,
> > >
> > > The current SCSI quiesce isn't safe and easy to trigger I/O deadlock.
> > >
> > > Once SCSI devic
On Wed, Sep 27, 2017 at 09:57:37AM +0200, Martin Steigerwald wrote:
> Hi Ming.
>
> Ming Lei - 27.09.17, 13:48:
> > Hi,
> >
> > The current SCSI quiesce isn't safe and easy to trigger I/O deadlock.
> >
> > Once SCSI device is put into QUIESCE, no new request except for
> > RQF_PREEMPT can be disp
Hi Ming.
Ming Lei - 27.09.17, 13:48:
> Hi,
>
> The current SCSI quiesce isn't safe and easy to trigger I/O deadlock.
>
> Once SCSI device is put into QUIESCE, no new request except for
> RQF_PREEMPT can be dispatched to SCSI successfully, and
> scsi_device_quiesce() just simply waits for complet
Hi,
The current SCSI quiesce isn't safe and easy to trigger I/O deadlock.
Once SCSI device is put into QUIESCE, no new request except for
RQF_PREEMPT can be dispatched to SCSI successfully, and
scsi_device_quiesce() just simply waits for completion of I/Os
dispatched to SCSI stack. It isn't enoug