linux-kernel - Re: If not readdir() then what?

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Message-ID: <20070410224626.6f5239f4@the-village.bc.nu>
Date:	Tue, 10 Apr 2007 22:46:26 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Neil Brown <neilb@...e.de>
Cc:	Trond Myklebust <trond.myklebust@....uio.no>,
	Theodore Tso <tytso@....edu>,
	Jörn Engel <joern@...ybastard.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Christoph Hellwig <hch@...radead.org>,
	Ulrich Drepper <drepper@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: If not readdir() then what?

> A READDIR request contains either a cookie or a filename.  Either mean
> "This identifies the last name I got from you, give me the next one".
> 
> Is there something that makes that interface problematic?

Another client may have removed the name and re-added a new file with
that name. At this point most file systems may not have placed it at the
same spot in the directory.
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