Message-ID: <4183E775.3090701@namesys.com>
Date: Sat, 30 Oct 2004 12:11:49 -0700
From: Hans Reiser <reiser@namesys.com>
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To: Jan Engelhardt <jengelh@linux01.gwdg.de>
CC: Andreas Dilger <adilger@clusterfs.com>, "Theodore Ts'o" <tytso@mit.edu>,
       Timo Sirainen <tss@iki.fi>, linux-kernel@vger.kernel.org
Subject: Re: readdir loses renamed files
References: <431547F9-2624-11D9-8AC3-000393CC2E90@iki.fi> <20041025123722.GA5107@thunk.org> <20041028093426.GB15050@merlin.emma.line.org> <20041028114413.GL1343@schnapps.adilger.int> <4182B2FF.9040902@namesys.com> <Pine.LNX.4.53.0410292326300.8389@yvahk01.tjqt.qr>
In-Reply-To: <Pine.LNX.4.53.0410292326300.8389@yvahk01.tjqt.qr>
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Jan Engelhardt wrote:

>>Matthias is right.  readdir is badly architected, and no one has fixed
>>it for ~30 years.
>>    
>>
>
>As long as M$ windows has the same problem, it's justified that we have that
>problem for 30 years now.
>
>  
>
>>It should be possible to perform an atomic readdir if that is what you
>>want to do and if you have space in your process to stuff the result.
>>    
>>
>
>How much would it cost to always append the new name into the directory rather
>than modifying it in place?
>
Forgive me, what does the sentence above mean?  Paste it out of order?

Better to fix the API.

> OTOH, especially Reiserfs does not use linear file
>lists, so it would get tricky.
>
>
>
>  
>
We use sorted directories.
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