Re: [linux-next][XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993
From: Jens Axboe
Date: Mon Sep 18 2017 - 11:29:06 EST
On 09/18/2017 09:27 AM, Christoph Hellwig wrote:
> On Mon, Sep 18, 2017 at 08:26:05PM +0530, Abdul Haleem wrote:
>> 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);
>> ret = 0;
> This is expected and an indication of a problematic workload - which
> may be triggered by a fuzzer.
If it's expected, why don't we kill the WARN_ON_ONCE()? I get it all
the time running xfstests as well.