From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jan Kara <jack@suse.cz>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
Sasha Levin <levinsasha928@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Dave Jones <davej@redhat.com>,
Kamal Mostafa <kamal@canonical.com>,
"Peter M. Petrakis" <peter.petrakis@canonical.com>,
Dann Frazier <dann.frazier@canonical.com>,
Massimo Morana <massimo.morana@canonical.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: mq: INFO: possible circular locking dependency detected
Date: Tue, 14 Aug 2012 23:13:31 +0100 [thread overview]
Message-ID: <20120814221331.GK23464@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20120814220927.GN7122@quack.suse.cz>
On Wed, Aug 15, 2012 at 12:09:27AM +0200, Jan Kara wrote:
> OK, this is a theoretical deadlock since mqueue (virtual) filesystem cannot
> really be frozen. But we should convert the mqueue code to deal with new
> lock ordering of i_mutex and mnt_want_write() anyway to make lockdep happy
> if anything... That file somehow escaped my conversion efforts. I'll send a
> fix tomorrow.
It's fixed in commit 98d11eacde966041ac7357d99d4079db7173dd40 (in vfs.git)
next prev parent reply other threads:[~2012-08-14 22:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-04 10:59 mq: INFO: possible circular locking dependency detected Sasha Levin
2012-08-05 17:08 ` Fengguang Wu
2012-08-07 5:04 ` Fengguang Wu
2012-08-07 6:39 ` Al Viro
2012-08-08 7:17 ` Fengguang Wu
2012-08-08 7:54 ` Fengguang Wu
2012-08-14 22:09 ` Jan Kara
2012-08-14 22:13 ` Al Viro [this message]
2012-08-14 22:29 ` Jan Kara
2012-08-06 6:34 ` Al Viro
2012-08-07 14:54 ` Sasha Levin
2012-08-08 8:50 ` Fengguang Wu
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