On Tue, 2017-09-26 at 06:51 +0800, Ming Lei wrote:
> On Mon, Sep 25, 2017 at 04:20:20PM +, Bart Van Assche wrote:
> > So that means that you have not noticed that it is safe to leave out that
> > smp_rmp() call because blk-mq queue freezing and unfreezing waits for a
> > grace
> > period and
On Mon, Sep 25, 2017 at 04:20:20PM +, Bart Van Assche wrote:
> On Mon, 2017-09-25 at 10:26 +0800, Ming Lei wrote:
> > On Fri, Sep 22, 2017 at 03:14:04PM -0700, Bart Van Assche wrote:
> > > +int blk_queue_enter(struct request_queue *q, bool nowait, bool preempt)
> > > {
> > > while (true) {
On Mon, 2017-09-25 at 10:26 +0800, Ming Lei wrote:
> On Fri, Sep 22, 2017 at 03:14:04PM -0700, Bart Van Assche wrote:
> > +int blk_queue_enter(struct request_queue *q, bool nowait, bool preempt)
> > {
> > while (true) {
> > int ret;
> >
> > - if
On Fri, Sep 22, 2017 at 03:14:04PM -0700, Bart Van Assche wrote:
> It is essential during suspend and resume that neither the filesystem
> state nor the filesystem metadata in RAM changes. This is why while
> the hibernation image is being written or restored that SCSI devices
> are quiesced. The
