From: Jeff Moyer <jmoyer@redhat.com>
To: Tao Ma <tao.ma@oracle.com>
Cc: axboe@kernel.dk, vgoyal@redhat.com, linux-kernel@vger.kernel.org,
linux-ext4@vger.kernel.org, Joel Becker <joel.becker@oracle.com>,
Sunil Mushran <sunil.mushran@oracle.com>,
"ocfs2-devel\@oss.oracle.com" <ocfs2-devel@oss.oracle.com>
Subject: Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ
Date: Mon, 28 Jun 2010 09:58:51 -0400 [thread overview]
Message-ID: <x49hbknfeck.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <4C284419.3000905@oracle.com> (Tao Ma's message of "Mon, 28 Jun 2010 14:41:29 +0800")
Tao Ma <tao.ma@oracle.com> writes:
> btw, I also met with a NULL pointer deference in cfq_yield. I have
> attached the null.log also. This seems to be related to the previous
> deadlock and happens when I try to remount the same volume after
> reboot and ocfs2 try to do some recovery.
Since I can't reproduce your binary kernel even with your .config, could
you send me the disassembly of the cfq_yield function from your vmlinux
binary?
Thanks!
Jeff
next prev parent reply other threads:[~2010-06-28 13:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-22 21:34 [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ Jeff Moyer
2010-06-22 21:35 ` [PATCH 1/3] block: Implement a blk_yield function to voluntarily give up the I/O scheduler Jeff Moyer
2010-06-23 5:04 ` Andrew Morton
2010-06-23 14:50 ` Jeff Moyer
2010-06-24 0:46 ` Vivek Goyal
2010-06-25 16:51 ` Jeff Moyer
2010-06-25 18:55 ` Jens Axboe
2010-06-25 19:57 ` Jeff Moyer
2010-06-25 20:02 ` Vivek Goyal
2010-06-22 21:35 ` [PATCH 2/3] jbd: yield the device queue when waiting for commits Jeff Moyer
2010-06-22 21:35 ` [PATCH 3/3] jbd2: yield the device queue when waiting for journal commits Jeff Moyer
2010-06-22 22:13 ` [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ Joel Becker
2010-06-23 9:20 ` Christoph Hellwig
2010-06-23 13:03 ` Jeff Moyer
2010-06-23 9:30 ` Tao Ma
2010-06-23 13:06 ` Jeff Moyer
2010-06-24 5:54 ` Tao Ma
2010-06-24 14:56 ` Jeff Moyer
2010-06-27 13:48 ` Jeff Moyer
2010-06-28 6:41 ` Tao Ma
2010-06-28 13:58 ` Jeff Moyer [this message]
2010-06-28 23:16 ` Tao Ma
2010-06-29 14:56 ` Jeff Moyer
2010-06-30 0:31 ` Tao Ma
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