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SubjectRe: [PATCH] writeback: fix range_cyclic writeback vs writepages deadlock
On Fri,  5 Oct 2018 15:45:26 +1000 Dave Chinner <david@fromorbit.com> wrote:

> From: Dave Chinner <dchinner@redhat.com>
>
> 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.
>
> ...
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
> Reviewed-by: Jan Kara <jack@suse.de>

Not a serious enough problem for a -stable backport?

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