linux-kernel - Re: mmap behavior on out-of-space conditions

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Message-Id: <1186059975.12034.111.camel@twins>
Date:	Thu, 02 Aug 2007 15:06:15 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Petr Tesarik <ptesarik@...e.cz>, Dave Chinner <dgc@....com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: mmap behavior on out-of-space conditions

On Thu, 2007-08-02 at 14:41 +0200, Petr Tesarik wrote:
> Hello,
> 
> while solving a different issue, my colleague Libor Pechacek found a
> problem with handling mmapped sparse files. If you mmap the hole insidea
> sparse file and write to it, the data gets silently lost if there is not
> enough space left on the underlying device.

I think Dave's block_page_mkwrite() stuff addresses this as well, no?

http://lkml.org/lkml/2007/3/18/198

Peter

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