From: Florian Weimer <fw@deneb.enyo.de>
Date: Tue, 31 Jul 2007 07:54:54 GMT
Subject: Re: Efficient way to import snapshots?
Message-ID: <87r6mpj9dd.fsf@mid.deneb.enyo.de>
In-Reply-To: <85odht3xd1.fsf@lola.goethe.zz>

* David Kastrup:

> a) one thread for opendir/readdir at every directory level
> b) one thread for stating the files in readdir order (more likely to
>    correspond to the disk layout than sorted order)

Not true for ext3.  You need to sort by the d_ino field.  This also
tends to be benefit other file systems more than readdir order.