linux-ext4 - Re: [PATCH 3/3] Add timeout feature

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Message-Id: <E1KGT4q-0006fD-Jb@pomaz-ex.szeredi.hu>
Date:	Wed, 09 Jul 2008 08:22:56 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	hch@...radead.org
CC:	miklos@...redi.hu, tytso@....edu, pavel@...e.cz, hch@...radead.org,
	t-sato@...jp.nec.com, akpm@...ux-foundation.org,
	viro@...IV.linux.org.uk, linux-ext4@...r.kernel.org,
	xfs@....sgi.com, dm-devel@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	axboe@...nel.dk, mtk.manpages@...glemail.com
Subject: Re: [PATCH 3/3] Add timeout feature

On Wed, 9 Jul 2008, Christoph Hellwig wrote:
> On Wed, Jul 09, 2008 at 08:13:21AM +0200, Miklos Szeredi wrote:
> > This would mean that freeze and thaw will have to be done on the same
> > file descriptor, but this isn't unreasonable to expect, is it?
> 
> It is certainly not the current use case, where you run one command
> to freeze the filesystem and another one to unfreeze it.

So instead of

  freeze_fs mountpoint
  backup-command
  unfreeze_fs mountpoint

the user would have do to

  run_freezed mountpoint backup-command

I find the second one nicer, regardless of any reliability issues.

Miklos
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