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From: Joel Becker <Joel.Becker@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] Quota locking fixes for OCFS2
Date: Mon, 17 May 2010 12:17:46 -0700	[thread overview]
Message-ID: <20100517191746.GA22775@mail.oracle.com> (raw)
In-Reply-To: <20100517161801.GA3364@quack.suse.cz>

On Mon, May 17, 2010 at 06:18:01PM +0200, Jan Kara wrote:
>   OK, will do. In the mean time I have found one more possible deadlock
> which should be fixed by the attached patch so I'll add it to the series
> if you won't object.

	One question: is it possible for additional work to be added
between the time we call the cancel and the time we take the
dqonoff_mutex?  If it is not possible, ack on the patch and put it in
the series.

Joel

-- 

"The real reason GNU ls is 8-bit-clean is so that they can
 start using ISO-8859-1 option characters."
	- Christopher Davis (ckd at loiosh.kei.com)

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127

  reply	other threads:[~2010-05-17 19:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-13 19:57 [Ocfs2-devel] Quota locking fixes for OCFS2 Jan Kara
2010-05-13 19:57 ` [Ocfs2-devel] [PATCH 1/7] quota: Refactor dquot_transfer code so that OCFS2 can pass in its references Jan Kara
2010-05-13 23:44   ` Joel Becker
2010-05-13 19:57 ` [Ocfs2-devel] [PATCH 2/7] ocfs2: Do not map blocks from local quota file on each write Jan Kara
2010-05-13 23:44   ` Joel Becker
2010-05-14  8:06     ` Jan Kara
2010-05-13 19:57 ` [Ocfs2-devel] [PATCH 3/7] ocfs2: Avoid unnecessary block mapping when refreshing quota info Jan Kara
2010-05-13 19:58 ` [Ocfs2-devel] [PATCH 4/7] ocfs2: Fix quota locking Jan Kara
2010-05-13 19:58 ` [Ocfs2-devel] [PATCH 5/7] ocfs2: Fix estimate of credits needed for quota allocation Jan Kara
2010-05-13 19:58 ` [Ocfs2-devel] [PATCH 6/7] ocfs2: Fix NULL pointer deref when writing local dquot Jan Kara
2010-05-13 19:58 ` [Ocfs2-devel] [PATCH 7/7] ocfs2: Use __dquot_transfer to avoid lock inversion Jan Kara
2010-05-13 23:51 ` [Ocfs2-devel] Quota locking fixes for OCFS2 Joel Becker
2010-05-14  8:08   ` Jan Kara
2010-05-14 19:36     ` Joel Becker
2010-05-17 16:18       ` Jan Kara
2010-05-17 19:17         ` Joel Becker [this message]
2010-05-17 21:30           ` Jan Kara

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