From: Yongqiang Yang <xiaoqiangnk@gmail.com>
To: Niraj Kulkarni <kulkarniniraj14@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Need of revoke mechanism in JBD
Date: Tue, 26 Apr 2011 16:56:58 +0800 [thread overview]
Message-ID: <BANLkTikuNB8m3-X8BXVcL2OCqQiZwRCbQA@mail.gmail.com> (raw)
In-Reply-To: <4DB68257.4070407@gmail.com>
AFAIK, it can accelerate the recovering process. If a block is in the
revoke table of a transaction t1 and t1 is committed, then the there
is no need to recover the block in transactions which is earlier than
t1.
On Tue, Apr 26, 2011 at 4:29 PM, Niraj Kulkarni
<kulkarniniraj14@gmail.com> wrote:
> Hi all,
> I am new to fs development. I am trying to modify the journal structure
> of JBD. While analyzing the code, I could understand most of the things, but
> I am not able to understand the need of revoke mechanism. Can anybody
> enlighten me on this issue?
>
> Regards
> Niraj
> --
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--
Best Wishes
Yongqiang Yang
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next prev parent reply other threads:[~2011-04-26 8:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-26 8:29 Need of revoke mechanism in JBD Niraj Kulkarni
2011-04-26 8:56 ` Yongqiang Yang [this message]
2011-04-26 9:23 ` Ding Dinghua
2011-04-26 10:47 ` Niraj Kulkarni
2011-04-26 10:57 ` Amir Goldstein
2011-04-26 17:27 ` Andreas Dilger
2011-04-27 0:52 ` Ding Dinghua
2011-04-26 12:25 ` Ted Ts'o
2011-04-29 19:45 ` Amir Goldstein
2011-04-30 2:06 ` Niraj Kulkarni
2011-05-01 22:28 ` Ted Ts'o
2011-05-02 10:42 ` Amir Goldstein
2011-05-02 14:43 ` Ted Ts'o
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