Hi,
On Mon, 2021-08-23 at 17:18 +0200, Andreas Gruenbacher wrote:
> On Mon, Aug 23, 2021 at 10:14 AM Steven Whitehouse <
> swhit...@redhat.com> wrote:
> > On Fri, 2021-08-20 at 17:22 +0200, Andreas Gruenbacher wrote:
> > > On Fri, Aug 20, 2021 at 3:11 PM Bob Peterson > > >
> > > wrote:
> >
On Mon, Aug 23, 2021 at 6:06 PM Matthew Wilcox wrote:
> On Mon, Aug 23, 2021 at 05:18:12PM +0200, Andreas Gruenbacher wrote:
> > On Mon, Aug 23, 2021 at 10:14 AM Steven Whitehouse
> > wrote:
> > > If the goal here is just to allow the glock to be held for a longer
> > > period of time, but with
On 8/23/21 11:05 AM, Matthew Wilcox wrote:
On Mon, Aug 23, 2021 at 05:18:12PM +0200, Andreas Gruenbacher wrote:
On Mon, Aug 23, 2021 at 10:14 AM Steven Whitehouse wrote:
If the goal here is just to allow the glock to be held for a longer
period of time, but with occasional interruptions to
On Mon, Aug 23, 2021 at 05:18:12PM +0200, Andreas Gruenbacher wrote:
> On Mon, Aug 23, 2021 at 10:14 AM Steven Whitehouse
> wrote:
> > If the goal here is just to allow the glock to be held for a longer
> > period of time, but with occasional interruptions to prevent
> > starvation, then we have
On Mon, Aug 23, 2021 at 10:14 AM Steven Whitehouse wrote:
> On Fri, 2021-08-20 at 17:22 +0200, Andreas Gruenbacher wrote:
> > On Fri, Aug 20, 2021 at 3:11 PM Bob Peterson
> > wrote:
> > >
> [snip]
> > >
> > > You can almost think of this as a performance enhancement. This
> > > concept
> > >
On Fri, 2021-08-20 at 17:22 +0200, Andreas Gruenbacher wrote:
> On Fri, Aug 20, 2021 at 3:11 PM Bob Peterson
> wrote:
> >
[snip]
> >
> > You can almost think of this as a performance enhancement. This
> > concept
> > allows a process to hold a glock for much longer periods of time,
> > at a
> >
On Fri, Aug 20, 2021 at 3:11 PM Bob Peterson wrote:
> On 8/20/21 4:35 AM, Steven Whitehouse wrote:
> > Hi,
> >
> > On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
> >> From: Bob Peterson
> >>
> >> This patch introduces a new HIF_MAY_DEMOTE flag and infrastructure
> >> that
> >>
Am Fr., 20. Aug. 2021 um 15:49 Uhr schrieb Steven Whitehouse
:
> We always used to manage to avoid holding fs locks when copying to/from
> userspace
> to avoid these complications.
I realize the intent, but that goal has never actually been achieved.
Direct I/O has *always* been calling
Hi,
On Fri, 2021-08-20 at 15:17 +0200, Andreas Gruenbacher wrote:
> On Fri, Aug 20, 2021 at 11:35 AM Steven Whitehouse <
> swhit...@redhat.com> wrote:
> > On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
> > > From: Bob Peterson
> > >
> > > This patch introduces a new
Hi,
On Fri, 2021-08-20 at 08:11 -0500, Bob Peterson wrote:
> On 8/20/21 4:35 AM, Steven Whitehouse wrote:
> > Hi,
> >
> > On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
> > > From: Bob Peterson
> > >
> > > This patch introduces a new HIF_MAY_DEMOTE flag and
> > > infrastructure
On Fri, Aug 20, 2021 at 11:35 AM Steven Whitehouse wrote:
> On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
> > From: Bob Peterson
> >
> > This patch introduces a new HIF_MAY_DEMOTE flag and infrastructure
> > that will allow glocks to be demoted automatically on locking conflicts.
On 8/20/21 4:35 AM, Steven Whitehouse wrote:
Hi,
On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
From: Bob Peterson
This patch introduces a new HIF_MAY_DEMOTE flag and infrastructure
that
will allow glocks to be demoted automatically on locking conflicts.
When a locking request
Hi,
On Thu, 2021-08-19 at 21:40 +0200, Andreas Gruenbacher wrote:
> From: Bob Peterson
>
> This patch introduces a new HIF_MAY_DEMOTE flag and infrastructure
> that
> will allow glocks to be demoted automatically on locking conflicts.
> When a locking request comes in that isn't compatible with
From: Bob Peterson
This patch introduces a new HIF_MAY_DEMOTE flag and infrastructure that
will allow glocks to be demoted automatically on locking conflicts.
When a locking request comes in that isn't compatible with the locking
state of a holder and that holder has the HIF_MAY_DEMOTE flag set,
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