From: Dave Chinner <david@fromorbit.com>
To: Jan Kara <jack@suse.cz>
Cc: "Fernando Luis Vázquez Cao" <fernando_b1@lab.ntt.co.jp>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Dave Chinner" <dchinner@redhat.com>,
"Christoph Hellwig" <hch@infradead.org>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 6/8] fsfreeze: add vfs ioctl to check freeze state
Date: Mon, 16 Jul 2012 08:45:17 +1000 [thread overview]
Message-ID: <20120715224517.GD2920@dastard> (raw)
In-Reply-To: <20120713135454.GI20361@quack.suse.cz>
On Fri, Jul 13, 2012 at 03:54:54PM +0200, Jan Kara wrote:
> On Thu 12-07-12 18:10:14, Fernando Luis Vázquez Cao wrote:
> > The FIISFROZEN ioctl can be use by HA and monitoring software to check
> > the freeze state of a mounted filesystem.
Can you explain in more detail why the HA system needs to check this?
And, for that matter, what it does with that information?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2012-07-15 22:45 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 8:57 [PATCH 0/8 v2] fsfreeze: miscellaneous fixes and cleanups Fernando Luis Vázquez Cao
2012-07-12 9:02 ` [PATCH 1/8] fsfreeze: Prevent emergency thaw from looping infinitely Fernando Luis Vázquez Cao
2012-07-13 12:59 ` Jan Kara
2012-07-17 5:13 ` Fernando Luis Vazquez Cao
2012-07-12 9:04 ` [PATCH 2/8] fsfreeze: emergency thaw will deadlock on s_umount Fernando Luis Vázquez Cao
2012-07-13 13:17 ` Jan Kara
2012-08-09 6:00 ` Fernando Luis Vazquez Cao
2012-09-13 6:23 ` Fernando Luis Vazquez Cao
2012-07-12 9:05 ` [PATCH 3/8] fsfreeze: freeze_super and thaw_bdev don't play well together Fernando Luis Vázquez Cao
2012-07-13 13:45 ` Jan Kara
2012-08-09 9:00 ` Fernando Luis Vazquez Cao
2012-07-12 9:07 ` [PATCH 4/8] fsfreeze: switch to using super methods where possible Fernando Luis Vázquez Cao
2012-07-13 13:50 ` Jan Kara
2012-07-12 9:09 ` [PATCH 5/8] fsfreeze: move emergency thaw code to fs/super.c Fernando Luis Vázquez Cao
2012-07-13 13:53 ` Jan Kara
2012-07-12 9:10 ` [PATCH 6/8] fsfreeze: add vfs ioctl to check freeze state Fernando Luis Vázquez Cao
2012-07-13 13:54 ` Jan Kara
2012-07-15 22:45 ` Dave Chinner [this message]
2012-09-13 6:19 ` Fernando Luis Vazquez Cao
2012-09-13 7:18 ` Dave Chinner
2012-09-13 8:19 ` Fernando Luis Vazquez Cao
2012-09-14 0:15 ` Dave Chinner
2012-09-14 1:46 ` Fernando Luis Vazquez Cao
2012-09-14 6:28 ` Dave Chinner
2012-09-14 8:18 ` Fernando Luis Vazquez Cao
2012-09-13 6:11 ` Fernando Luis Vazquez Cao
2012-07-12 9:11 ` [PATCH 7/8] fsfreeze: add block device " Fernando Luis Vázquez Cao
2012-07-12 9:12 ` [PATCH 8/8] fsfreeze: update Documentation/filesystems/Locking Fernando Luis Vázquez Cao
2012-07-13 14:11 ` Jan Kara
2012-07-17 1:42 ` Fernando Luis Vazquez Cao
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