From: Fernando Luis Vazquez Cao <fernando_b1@lab.ntt.co.jp>
To: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Josef Bacik <jbacik@fusionio.com>,
Eric Sandeen <sandeen@redhat.com>,
Dave Chinner <dchinner@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
linux-fsdevel@vger.kernel.org, fernando@intellilink.co.jp
Subject: Re: [PATCH 2/9] fsfreeze: add unlocked version of thaw_super
Date: Tue, 25 Sep 2012 18:43:49 +0900 [thread overview]
Message-ID: <50617CD5.4000701@lab.ntt.co.jp> (raw)
In-Reply-To: <20120925091320.GB8049@quack.suse.cz>
On 2012年09月25日 18:13, Jan Kara wrote:
> On Fri 14-09-12 15:46:23, Fernando Luis Vázquez Cao wrote:
>> thaw_super may be called with superblock lock already taken (fsfreeze's
>> emergency thaw being one example), so we need an unlocked version to avoid
>> lockups.
>>
>> Cc: Josef Bacik <jbacik@fusionio.com>
>> Cc: Christoph Hellwig <hch@infradead.org>
>> Cc: Jan Kara <jack@suse.cz>
>> Cc: Dave Chinner <dchinner@redhat.com>
>> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
>> Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
> Looks good. You can add:
> Reviewed-by: Jan Kara <jack@suse.cz>
Thank you.
- Fernando
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next prev parent reply other threads:[~2012-09-25 9:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 6:43 [RFC, PATCH 0/9 v4] fsfreeze: miscellaneous fixes and cleanups Fernando Luis Vázquez Cao
2012-09-14 6:45 ` [PATCH 1/9] vfs: add __iterate_supers() and helpers around it Fernando Luis Vázquez Cao
2012-09-25 9:11 ` Jan Kara
2012-09-25 9:42 ` Fernando Luis Vazquez Cao
2012-09-25 9:52 ` Jan Kara
2012-09-25 10:03 ` Fernando Luis Vazquez Cao
2012-09-14 6:46 ` [PATCH 2/9] fsfreeze: add unlocked version of thaw_super Fernando Luis Vázquez Cao
2012-09-25 9:13 ` Jan Kara
2012-09-25 9:43 ` Fernando Luis Vazquez Cao [this message]
2012-09-14 6:47 ` [PATCH 3/9] fsfreeze: Prevent emergency thaw from looping infinitely Fernando Luis Vázquez Cao
2012-09-14 6:48 ` [PATCH 4/9] fsfreeze: emergency thaw will deadlock on s_umount Fernando Luis Vázquez Cao
2012-09-25 9:24 ` Jan Kara
2012-09-25 10:31 ` Fernando Luis Vazquez Cao
2012-09-14 6:50 ` [PATCH 5/9] xfs: switch to using super methods for fsfreeze Fernando Luis Vázquez Cao
2012-09-14 6:51 ` [PATCH 6/9] fsfreeze: move emergency thaw code to fs/super.c Fernando Luis Vázquez Cao
2012-09-14 6:53 ` [PATCH 7/9] fsfreeze: freeze_super and thaw_bdev don't play well together Fernando Luis Vázquez Cao
2012-09-14 19:20 ` Eric Sandeen
2012-09-15 1:15 ` Eric Sandeen
2012-09-25 9:48 ` Jan Kara
2012-09-25 10:51 ` Fernando Luis Vazquez Cao
2012-09-25 16:39 ` Jan Kara
2012-09-26 8:22 ` Fernando Luis Vazquez Cao
2012-09-26 9:09 ` Jan Kara
2012-10-03 7:58 ` Fernando Luis Vazquez Cao
2012-10-04 8:18 ` Jan Kara
2012-10-05 4:22 ` Fernando Luis Vázquez Cao
2012-10-05 4:30 ` Fernando Luis Vázquez Cao
2012-09-14 6:54 ` [PATCH 8/9] fsfreeze: add vfs ioctl to check freeze state Fernando Luis Vázquez Cao
2012-09-14 6:55 ` [PATCH 9/9] fsfreeze: add block device " Fernando Luis Vázquez Cao
-- strict thread matches above, loose matches on Subject: below --
2012-10-05 5:24 [PATCH 0/9 v5] fsfreeze: miscellaneous fixes and cleanups Fernando Luis Vázquez Cao
2012-10-05 5:33 ` [PATCH 2/9] fsfreeze: add unlocked version of thaw_super Fernando Luis Vázquez Cao
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