From: Christoph Hellwig <hch@infradead.org>
To: Brian Foster <bfoster@redhat.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH] xfs: don't BUG() on mixed direct and mapped I/O
Date: Mon, 31 Oct 2016 08:46:42 -0700 [thread overview]
Message-ID: <20161031154642.GA28355@infradead.org> (raw)
In-Reply-To: <1477923268-59559-1-git-send-email-bfoster@redhat.com>
On Mon, Oct 31, 2016 at 10:14:28AM -0400, Brian Foster wrote:
> We've had reports of generic/095 causing XFS to BUG() in
> __xfs_get_blocks() due to the existence of delalloc blocks on a direct
> I/O read. generic/095 issues a mix of various types of I/O, including
> direct and memory mapped I/O to a single file.
Can you explain the scenario in which case this happens in a little
more detail? The patch looks fine to me, but I'd really like to
understand how this happens.
next prev parent reply other threads:[~2016-10-31 15:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 14:14 [PATCH] xfs: don't BUG() on mixed direct and mapped I/O Brian Foster
2016-10-31 15:46 ` Christoph Hellwig [this message]
2016-10-31 16:25 ` Brian Foster
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