Re: [linux-next][XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993
From: Al Viro
Date: Mon Sep 18 2017 - 11:43:39 EST
On Mon, Sep 18, 2017 at 05:39:47PM +0200, Christoph Hellwig wrote:
> On Mon, Sep 18, 2017 at 09:28:55AM -0600, Jens Axboe wrote:
> > If it's expected, why don't we kill the WARN_ON_ONCE()? I get it all
> > the time running xfstests as well.
> Dave insisted on it to decourage users/applications from mixing
> mmap and direct I/O.
> In many ways a tracepoint might be the better way to diagnose these.
sysctl suppressing those two, perhaps?