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From: EUNBONG SONG <eunb.song@samsung.com>
To: "Sidorov, Andrei" <Andrei.Sidorov@arrisi.com>,
	Theodore Ts'o <tytso@mit.edu>, Tony Luck <tony.luck@gmail.com>,
	Dmitry Monakhov <dmonakhov@openvz.org>,
	"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Re: EXT4 panic at jbd2_journal_put_journal_head() in 3.9+
Date: Mon, 13 May 2013 05:12:19 +0000 (GMT)	[thread overview]
Message-ID: <3567921.21651368421937829.JavaMail.weblogic@epml07> (raw)


> Hi,

> Bitfields are likely to be implemented using read-modify-write semantics.
> Modifications of either b_jlist or b_jmodified must be done under lock
> since they share same uint. I guess this lock is missing somewhere.

Hi, I agree with you.  b_jlist and b_jmodified share the same unit.
I think they are separated. 
Thanks. 

             reply	other threads:[~2013-05-13  5:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-13  5:12 EUNBONG SONG [this message]
  -- strict thread matches above, loose matches on Subject: below --
2013-05-13  7:26 Re: EXT4 panic at jbd2_journal_put_journal_head() in 3.9+ EUNBONG SONG
2013-05-10  0:51 EUNBONG SONG
2013-05-10 17:27 ` Tony Luck
2013-05-11  7:52   ` Dmitry Monakhov
2013-05-13  2:04     ` Tony Luck
2013-05-13  8:43       ` Zheng Liu

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