From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>,
Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-xfs <linux-xfs@vger.kernel.org>,
linux-next <linux-next@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
chandan <chandan@linux.vnet.ibm.com>
Subject: Re: [XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993
Date: Mon, 18 Sep 2017 17:39:47 +0200 [thread overview]
Message-ID: <20170918153947.GA12635@lst.de> (raw)
In-Reply-To: <8abed401-1634-760f-6543-4652fa495315@kernel.dk>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>,
Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-xfs <linux-xfs@vger.kernel.org>,
linux-next <linux-next@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
chandan <chandan@linux.vnet.ibm.com>
Subject: Re: [linux-next][XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993
Date: Mon, 18 Sep 2017 17:39:47 +0200 [thread overview]
Message-ID: <20170918153947.GA12635@lst.de> (raw)
In-Reply-To: <8abed401-1634-760f-6543-4652fa495315@kernel.dk>
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.
next prev parent reply other threads:[~2017-09-18 15:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 14:56 [linux-next][XFS][trinity] WARNING: CPU: 32 PID: 31369 at fs/iomap.c:993 Abdul Haleem
2017-09-18 15:27 ` Christoph Hellwig
2017-09-18 15:28 ` [XFS][trinity] " Jens Axboe
2017-09-18 15:28 ` [linux-next][XFS][trinity] " Jens Axboe
2017-09-18 15:39 ` Christoph Hellwig [this message]
2017-09-18 15:39 ` Christoph Hellwig
2017-09-18 15:43 ` Al Viro
2017-09-18 15:51 ` [XFS][trinity] " Jens Axboe
2017-09-18 15:51 ` [linux-next][XFS][trinity] " Jens Axboe
2017-09-18 21:53 ` Dave Chinner
2017-09-18 21:31 ` Dave Chinner
2017-09-18 22:00 ` Eric Sandeen
2017-09-18 22:04 ` [XFS][trinity] " Darrick J. Wong
2017-09-18 22:04 ` [linux-next][XFS][trinity] " Darrick J. Wong
2017-09-18 22:05 ` Dave Chinner
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