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

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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?
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