linux-kernel - Re: For review: open_by_name

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Date:	Tue, 18 Mar 2014 06:07:08 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:	NeilBrown <neilb@...e.de>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	"linux-man@...r.kernel.org" <linux-man@...r.kernel.org>,
	Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Andreas Dilger <adilger@...ger.ca>
Subject: Re: For review: open_by_name_at(2) man page

On Tue, Mar 18, 2014 at 01:35:06PM +0100, Michael Kerrisk (man-pages) wrote:
> Indeed! I don't know quite what I was smoking as I reviewed that piece.
> In fact, I started writing this page a long time ago, but then other 
> events intervened, and it was a long time before I came back to it recently.
> Certainly, when I produced that shell session log, things proceeded
> (almost) as shown. I'm guessing that what happened is that I by 
> accident edited out a line
> 
>     rm cecilia.txt
> 
> just before
> 
>     echo 'Warum?' > cecilia.txt
> 
> Fixed now. (In that case of course, it is of course a matter of chance
> whether the pathname is re-created with the same i-node number, but if 
> you are quick, it often is. I'll add some explanation to the page.)

That's why the file handles contain a generation counter that gets
incremented in this case.

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