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[dm-devel] Re: [PATCH 3/3] Add timeout feature
- From: Christoph Hellwig <hch infradead org>
- To: Takashi Sato <t-sato yk jp nec com>
- Cc: axboe kernel dk, mtk manpages googlemail com, linux-kernel vger kernel org, xfs oss sgi com, Christoph Hellwig <hch infradead org>, dm-devel redhat com, viro ZenIV linux org uk, linux-fsdevel vger kernel org, Andrew Morton <akpm linux-foundation org>, linux-ext4 vger kernel org, Ric Wheeler <rwheeler redhat com>, Oleg Nesterov <oleg tv-sign ru>
- Subject: [dm-devel] Re: [PATCH 3/3] Add timeout feature
- Date: Mon, 29 Sep 2008 10:13:26 -0400
On Fri, Sep 26, 2008 at 05:52:35PM +0900, Takashi Sato wrote:
> I think that your concern is that the freezer cannot recognize the occurrence
> of a timeout and it continues the backup process and the backup data is
> corrupted finally.
What timeout should happen? the freeze ioctl must not return until the
filesystem is a clean state and all writes are blocked.
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