From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Yang Ruirui <ruirui.r.yang@tieto.com>,
hch@infradead.org, Andrew Morton <akpm@linux-foundation.org>,
xfs@oss.sgi.com, linux-kernel@vger.kernel.org,
Alex Elder <aelder@sgi.com>
Subject: Re: -mm: xfs lockdep warning
Date: Mon, 20 Sep 2010 15:13:55 -0400 [thread overview]
Message-ID: <20100920191355.GA28443@infradead.org> (raw)
In-Reply-To: <20100917005227.GJ24409@dastard>
On Fri, Sep 17, 2010 at 10:52:27AM +1000, Dave Chinner wrote:
> Christoph, this implies an inode that has been marked for reclaim
> that has not passed through xfs_fs_evict_inode() after being
> initialised. If it went through the eviction process, the iolock
> would have been re-initialised to a different context. Can you think
> of any path that can get here without going through ->evict? I can't
> off the top of my head...
I think this could happen if the init_inode_always during
re-initialization of an inode in reclaim fails in iget. I have a patch
to add that I'll run through xfsqa. It should only happen very rarely.
next prev parent reply other threads:[~2010-09-20 19:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 7:46 Yang Ruirui
2010-09-17 0:52 ` Dave Chinner
2010-09-20 19:13 ` Christoph Hellwig [this message]
2010-09-25 13:08 ` Torsten Kaiser
2010-10-04 9:01 ` Tejun Heo
2010-10-04 9:21 ` Dave Chinner
2010-10-05 10:09 ` Torsten Kaiser
2010-10-05 16:51 ` Tejun Heo
2010-10-05 16:55 ` Tejun Heo
2010-10-05 18:09 ` Torsten Kaiser
2010-10-05 18:17 ` Christoph Hellwig
2010-10-05 17:54 ` Torsten Kaiser
[not found] ` <AANLkTineNfy+hfnK-sjHNB+h05oC4qbJ+81pg95Bmn=b@mail.gmail.com>
[not found] ` <4CAC366E.7070609@kernel.org>
[not found] ` <4CAC38D9.8020407@kernel.org>
[not found] ` <AANLkTikw=ObzgWu35fsuriC-jVrzDRHRfFJeT8-4-ndY@mail.gmail.com>
[not found] ` <4CAC934E.2030807@kernel.org>
[not found] ` <AANLkTinrBeMDyQJaYJFALTPpOgEaAy7yoPdyQ0Gpay3G@mail.gmail.com>
[not found] ` <4CACC0CD.5000001@kernel.org>
2010-10-07 11:14 ` Tejun Heo
2010-10-07 13:21 ` Torsten Kaiser
2010-10-07 14:05 ` Tejun Heo
2010-10-07 15:15 ` Torsten Kaiser
2010-10-07 15:41 ` Tejun Heo
[not found] ` <AANLkTi=LnbH7LNUr+YuR+uKLFasKyV7hOZc1zD0qqHnW@mail.gmail.com>
2010-10-08 12:40 ` Tejun Heo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100920191355.GA28443@infradead.org \
--to=hch@infradead.org \
--cc=aelder@sgi.com \
--cc=akpm@linux-foundation.org \
--cc=david@fromorbit.com \
--cc=linux-kernel@vger.kernel.org \
--cc=ruirui.r.yang@tieto.com \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome