From: Ric Wheeler <rwheeler@redhat.com>
To: Christoph Hellwig <hch@infradead.org>,
Takashi Sato <t-sato@yk.jp.nec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Oleg Nesterov <oleg@tv-sign.ru>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"dm-devel@redhat.com" <dm-devel@redhat.com>,
"viro@ZenIV.linux.org.uk" <viro@ZenIV.linux.org.uk>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"xfs@oss.sgi.com" <xfs@oss.sgi.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"mtk.manpages@googlemail.com" <mtk.manpages@googlemail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] Add timeout feature
Date: Thu, 25 Sep 2008 17:06:10 -0400 [thread overview]
Message-ID: <48DBFD42.6030307@redhat.com> (raw)
In-Reply-To: <20080908171119.GB22521@infradead.org>
Christoph Hellwig wrote:
> On Mon, Sep 08, 2008 at 08:53:37PM +0900, Takashi Sato wrote:
>
>> The timeout feature is added to "freeze ioctl" to solve a deadlock
>> when the freezer accesses a frozen filesystem. And new ioctl
>> to reset the timeout period is added to extend the timeout period.
>> For example, the freezer resets the timeout period to 10 seconds every 5
>> seconds. In this approach, even if the freezer causes a deadlock by
>> accessing the frozen filesystem, it will be solved by the timeout
>> in 10 seconds and the freezer will be able to recognize that
>> at the next reset of timeout period.
>>
>
> And as with all previous posting I still fundamentally disagree about
> the need of this functionality. We don't need a timeout for freezing.
>
>
I agree with Christoph here, I think that the timeout is unneeded.
Regards,
Ric
next prev parent reply other threads:[~2008-09-25 21:06 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-08 11:53 [PATCH 3/3] Add timeout feature Takashi Sato
2008-09-08 11:53 ` Takashi Sato
2008-09-08 17:11 ` Christoph Hellwig
2008-09-25 21:06 ` Ric Wheeler [this message]
2008-09-26 8:52 ` Takashi Sato
2008-09-26 8:52 ` Takashi Sato
2008-09-26 10:58 ` Ric Wheeler
2008-09-29 11:11 ` Takashi Sato
2008-09-29 11:11 ` Takashi Sato
2008-09-29 11:11 ` Takashi Sato
2008-09-26 12:35 ` Valdis.Kletnieks
2008-09-26 12:35 ` Valdis.Kletnieks
2008-09-29 14:13 ` Christoph Hellwig
2008-09-29 14:36 ` Eric Sandeen
2008-09-29 14:36 ` Eric Sandeen
2008-09-29 14:37 ` Christoph Hellwig
2008-09-29 14:45 ` Eric Sandeen
2008-09-29 22:08 ` jim owens
2008-10-05 10:00 ` Pavel Machek
2008-10-09 10:12 ` Takashi Sato
2008-10-09 10:12 ` Takashi Sato
2008-10-09 10:12 ` Takashi Sato
2008-10-09 10:18 ` Christoph Hellwig
2008-10-09 10:18 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2008-08-18 12:28 Takashi Sato
2008-08-18 12:28 ` Takashi Sato
2008-08-21 20:20 ` Andrew Morton
2008-08-21 20:20 ` Andrew Morton
2008-08-22 18:16 ` Christoph Hellwig
2008-08-22 18:16 ` Christoph Hellwig
2008-08-24 17:03 ` Oleg Nesterov
2008-08-29 9:39 ` Takashi Sato
2008-08-29 9:39 ` Takashi Sato
2008-08-29 9:39 ` Takashi Sato
2008-07-22 9:36 Takashi Sato
2008-07-22 9:36 ` Takashi Sato
2008-07-22 9:36 ` Takashi Sato
2008-07-22 9:36 Takashi Sato
2008-06-30 12:24 Takashi Sato
2008-06-30 12:24 ` Takashi Sato
2008-07-01 8:10 ` Christoph Hellwig
2008-07-07 11:07 ` Pavel Machek
2008-07-08 23:10 ` Dave Chinner
2008-07-08 23:10 ` Dave Chinner
2008-07-08 23:20 ` Pavel Machek
2008-07-08 23:20 ` Pavel Machek
2008-07-09 0:52 ` Dave Chinner
2008-07-09 1:09 ` Theodore Tso
2008-07-09 1:09 ` Theodore Tso
2008-07-09 1:09 ` Theodore Tso
2008-07-09 4:21 ` Brad Boyer
2008-07-09 4:21 ` Brad Boyer
2008-07-09 4:21 ` Brad Boyer
2008-07-09 4:21 ` Brad Boyer
2008-07-09 6:13 ` Miklos Szeredi
2008-07-09 6:16 ` Christoph Hellwig
2008-07-09 6:22 ` Miklos Szeredi
2008-07-09 6:22 ` Miklos Szeredi
2008-07-09 6:22 ` Miklos Szeredi
2008-07-09 6:41 ` Arjan van de Ven
2008-07-09 6:41 ` Arjan van de Ven
2008-07-09 6:41 ` Arjan van de Ven
2008-07-09 6:48 ` Miklos Szeredi
2008-07-09 6:48 ` Miklos Szeredi
2008-07-09 6:55 ` Arjan van de Ven
2008-07-09 6:55 ` Arjan van de Ven
2008-07-09 6:55 ` Arjan van de Ven
2008-07-09 7:08 ` Miklos Szeredi
2008-07-09 7:08 ` Miklos Szeredi
2008-07-09 20:48 ` Pavel Machek
2008-07-09 7:13 ` Dave Chinner
2008-07-09 11:09 ` Theodore Tso
2008-07-09 11:09 ` Theodore Tso
2008-07-09 11:49 ` Dave Chinner
2008-07-09 11:49 ` Dave Chinner
2008-07-09 11:49 ` Dave Chinner
2008-07-09 12:24 ` Theodore Tso
2008-07-09 12:24 ` Theodore Tso
2008-07-09 12:59 ` Olaf Frączyk
2008-07-09 13:57 ` Arjan van de Ven
2008-07-09 13:57 ` Arjan van de Ven
2008-07-09 12:24 ` Theodore Tso
2008-07-09 13:55 ` Arjan van de Ven
2008-07-09 13:58 ` jim owens
2008-07-09 14:13 ` jim owens
2008-07-13 12:06 ` Pavel Machek
2008-07-13 17:15 ` jim owens
2008-07-14 6:36 ` Pavel Machek
2008-07-14 13:17 ` jim owens
2008-07-14 13:12 ` Takashi Sato
2008-07-14 13:12 ` Takashi Sato
2008-07-14 14:04 ` jim owens
2008-07-09 11:49 ` Dave Chinner
2008-07-09 11:09 ` Theodore Tso
2008-07-09 13:53 ` Arjan van de Ven
2008-07-09 6:59 ` Dave Chinner
2008-07-09 7:13 ` Miklos Szeredi
2008-07-09 7:33 ` Dave Chinner
2008-07-09 7:33 ` Dave Chinner
2008-07-09 8:11 ` Miklos Szeredi
2008-07-09 8:11 ` Miklos Szeredi
2008-07-09 11:15 ` Dave Chinner
2008-07-09 11:15 ` Dave Chinner
2008-07-09 1:09 ` Theodore Tso
2008-07-09 20:44 ` Pavel Machek
2008-07-09 20:44 ` Pavel Machek
2008-07-09 20:44 ` Pavel Machek
2008-07-09 20:44 ` Pavel Machek
2008-07-08 23:20 ` Pavel Machek
2008-07-08 23:20 ` Pavel Machek
2008-06-24 7:00 Takashi Sato
2008-06-24 7:00 ` Takashi Sato
2008-06-24 22:09 ` Andrew Morton
2008-06-27 11:33 ` Takashi Sato
2008-06-27 11:33 ` Takashi Sato
2008-06-27 11:33 ` Takashi Sato
2008-06-27 18:57 ` Andrew Morton
2008-06-29 23:13 ` Takashi Sato
2008-06-29 23:13 ` Takashi Sato
2008-06-29 23:13 ` Takashi Sato
2008-06-30 0:01 ` Andrew Morton
2008-06-30 0:01 ` Andrew Morton
2008-06-30 0:01 ` Andrew Morton
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