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Re: [PATCH 3/3] Add timeout feature

To: Takashi Sato <t-sato@xxxxxxxxxxxxx>
Subject: Re: [PATCH 3/3] Add timeout feature
From: Valdis.Kletnieks@xxxxxx
Date: Fri, 26 Sep 2008 08:35:25 -0400
Cc: Ric Wheeler <rwheeler@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, axboe@xxxxxxxxx, mtk.manpages@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: Your message of "Fri, 26 Sep 2008 17:52:35 +0900." <D0B0D91F884647D6808626CDFF81E532@xxxxxxxxxxxxxxxx>
References: <20080908205337t-sato@xxxxxxxxxxxxxxx> <20080908171119.GB22521@xxxxxxxxxxxxx> <48DBFD42.6030307@xxxxxxxxxx> <D0B0D91F884647D6808626CDFF81E532@xxxxxxxxxxxxxxxx>
On Fri, 26 Sep 2008 17:52:35 +0900, Takashi Sato said:

(Sorry, am reading the threads out of temporal sequence....)

> 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.
> If the freezer can recognize it by the unfreeze ioctl's errono, will your 
> concern
>  be solved?
> If so, I will implement it.

That would also address my concerns about merging patches 8 and 10 of the
other patch series (because patch 10 wouldn't be needed then)...

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