From: Chris Wedgwood <cw@f00f.org>
Date: Sun, 14 Aug 2005 02:20:11 GMT
Subject: Re: [RFC][PATCH] Rewriting revs in place in push target repository
Message-ID: <20050814022011.GA19897@taniwha.stupidest.org>
In-Reply-To: <20050813214725.GM5608@pasky.ji.cz>

On Sat, Aug 13, 2005 at 11:47:25PM +0200, Petr Baudis wrote:

> 	I think it does not in real setups, since thanks to O_RDWR the
> 	file should be overwritten only when the write() happens.
> 	Can a 41-byte write() be non-atomic in any real conditions?

yes

if you journal metadata only you can see a file extended w/o having
the block flushed