Hi
We believe we have seen this deadlock issue on our XFS system and
currently are trying the patch (aware of the disclaimer that it may
not be production ready). However trying to repo this issue is very
hard. I was interested in Dave Chinner saying that he had seen a
repeatable deadlock and
On Fri, Oct 05, 2018 at 12:46:40PM -0700, Andrew Morton wrote:
> On Fri, 5 Oct 2018 15:45:26 +1000 Dave Chinner wrote:
>
> > From: Dave Chinner
> >
> > We've recently seen a workload on XFS filesystems with a repeatable
> > deadlock between background writeback and a multi-process
> >
On Fri, Oct 05, 2018 at 12:46:40PM -0700, Andrew Morton wrote:
> On Fri, 5 Oct 2018 15:45:26 +1000 Dave Chinner wrote:
>
> > From: Dave Chinner
> >
> > We've recently seen a workload on XFS filesystems with a repeatable
> > deadlock between background writeback and a multi-process
> >
On Fri, 5 Oct 2018 15:45:26 +1000 Dave Chinner wrote:
> From: Dave Chinner
>
> We've recently seen a workload on XFS filesystems with a repeatable
> deadlock between background writeback and a multi-process
> application doing concurrent writes and fsyncs to a small range of a
> file.
>
>
On Fri, 5 Oct 2018 15:45:26 +1000 Dave Chinner wrote:
> From: Dave Chinner
>
> We've recently seen a workload on XFS filesystems with a repeatable
> deadlock between background writeback and a multi-process
> application doing concurrent writes and fsyncs to a small range of a
> file.
>
>
From: Dave Chinner
We've recently seen a workload on XFS filesystems with a repeatable
deadlock between background writeback and a multi-process
application doing concurrent writes and fsyncs to a small range of a
file.
range_cyclic
writeback Process 1 Process 2
From: Dave Chinner
We've recently seen a workload on XFS filesystems with a repeatable
deadlock between background writeback and a multi-process
application doing concurrent writes and fsyncs to a small range of a
file.
range_cyclic
writeback Process 1 Process 2
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