Re: WARNING: CPU: 2 PID: 20539 at fs/iomap.c:954 iomap_dio_rw+0x39a/0x3b0

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On Tue, 2017-03-07 at 14:09 -0800, Christoph Hellwig wrote:
> On Tue, Mar 07, 2017 at 04:35:59PM -0500, Jeff Layton wrote:
> > I was doing an xfstests run on xfs with v4.11.0-rc1, and these two
> > warnings popped. Looks like invalidate_inode_pages2_range failed? A
> > small patch to print the error there showed that it was returning
> > -EBUSY.
> > 
> > Pretty easy to reproduce by running xfstests generic/095 on a KVM guest
> > running v4.11.0-rc1.
> 
> Can you try:
> 
> "[PATCH v2] iomap: invalidate page caches should be after iomap_dio_complete() in direct write"
> 
> which was sent to the XFS list last week and check if it fixes things
> for you?

I tried it, but the warnings still appear.

To be clear, generic/095 still passes, it's just that the warnings pop
up when it is run.

-- 
Jeff Layton <jlayton@xxxxxxxxxx>
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