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Date: Fri, 18 Jan 2008 10:39:29 +0100
From: Matthieu CASTET <matthieu.castet@parrot.com>
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To: Josh Boyer <jwboyer@gmail.com>
Subject: Re: Jffs2 and big file = very slow jffs2_garbage_collect_pass
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	=?UTF-8?B?SsO2cm4gRW5nZWw=?= <joern@logfs.org>,
	David Woodhouse <dwmw2@infradead.org>
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Josh Boyer wrote:
> On Thu, 17 Jan 2008 17:26:01 +0100
> Jörn Engel <joern@logfs.org> wrote:
> 
>>> If we do a ls without waiting that jffs2_garbage_collect_pass finish, ls 
>>> takes 12 minutes to complete.
>> Impressive!  JFFS2 may be slow, but it shouldn't be _that_ slow.  Not
> 
> How do you know?  A 200MiB file will likely have around 50,000 nodes.
Yes the file got 41324 nodes.
> If the summary stuff is incorrect, and since we have no idea what kind
> of platform is being used here, it may well be within reason.
> 
The summary stuff is correct (I check it with a parser on a dump of the 
image). Also if the summary wasn't correct, only the mount time will grow ?
In my case the mount is ok : less than 5-10s.
The platform used is an arm926 @247 Mhz

Matthieu