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

Christoph Hellwig
2017-09-18T15:27:09Z

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.