Re: [linux-next][XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993

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On Mon, Sep 18, 2017 at 08:26:05PM +0530, Abdul Haleem wrote:
> Hi,
> 
> A warning is triggered from:
> 
> file fs/iomap.c in function iomap_dio_rw
> 
>     if (ret)
>         goto out_free_dio;
> 
>     ret = invalidate_inode_pages2_range(mapping,
>             start >> PAGE_SHIFT, end >> PAGE_SHIFT);
> >>  WARN_ON_ONCE(ret);
>     ret = 0;
> 
>     inode_dio_begin(inode);

This is expected and an indication of a problematic workload - which
may be triggered by a fuzzer.
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