Re: [PATCH 07/13] xfs: allow merging ioends over append boundaries

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On Thu, Jun 27, 2019 at 09:43:04PM +0000, Luis Chamberlain wrote:
> On Thu, Jun 27, 2019 at 11:23:09AM -0700, Darrick J. Wong wrote:
> > On Thu, Jun 27, 2019 at 12:48:30PM +0200, Christoph Hellwig wrote:
> > > There is no real problem merging ioends that go beyond i_size into an
> > > ioend that doesn't.  We just need to move the append transaction to the
> > > base ioend.  Also use the opportunity to use a real error code instead
> > > of the magic 1 to cancel the transactions, and write a comment
> > > explaining the scheme.
> > > 
> > > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > 
> > Reading through this patch, I have a feeling it fixes the crash that
> > Zorro has been seeing occasionally with generic/475...
> > 
> > Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Zorro, can you confirm? If so it would be great to also refer to
> the respective bugzilla entry #203947 [0].

Sure, I'll give it a test. But it's so hard to reproduce, I need long enough
time to prove "the panic's gone".

BTW, should I only merge this single patch to test, or merge your whole patchset
with 13 patches?

Thanks,
Zorro

> 
> [0] https://bugzilla.kernel.org/show_bug.cgi?id=203947
> 
>   Luis



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