From: Matthieu CASTET <matthieu.castet@parrot.com>
To: Josh Boyer <jwboyer@gmail.com>
Cc: linux-mtd@lists.infradead.org, "Jörn Engel" <joern@logfs.org>,
"David Woodhouse" <dwmw2@infradead.org>
Subject: Re: Jffs2 and big file = very slow jffs2_garbage_collect_pass
Date: Fri, 18 Jan 2008 10:39:29 +0100 [thread overview]
Message-ID: <479073D1.5010406@parrot.com> (raw)
In-Reply-To: <20080117114353.0bc71dac@zod.rchland.ibm.com>
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
next prev parent reply other threads:[~2008-01-18 9:40 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 16:12 Jffs2 and big file = very slow jffs2_garbage_collect_pass Matthieu CASTET
2008-01-17 16:26 ` Jörn Engel
2008-01-17 17:43 ` Josh Boyer
2008-01-18 9:39 ` Matthieu CASTET [this message]
2008-01-18 12:48 ` Josh Boyer
2008-01-18 16:17 ` Matthieu CASTET
2008-01-18 17:55 ` Josh Boyer
2008-01-18 18:17 ` Jörn Engel
2008-01-21 15:57 ` Matthieu CASTET
2008-01-21 21:25 ` Jörn Engel
2008-01-21 22:16 ` Josh Boyer
2008-01-21 22:29 ` Jörn Engel
2008-01-22 8:57 ` Matthieu CASTET
2008-01-22 12:03 ` Jörn Engel
2008-01-22 13:24 ` Ricard Wanderlof
2008-01-22 15:05 ` Jörn Engel
2008-01-23 9:23 ` Ricard Wanderlof
2008-01-23 10:19 ` Jörn Engel
2008-01-23 10:41 ` Ricard Wanderlof
2008-01-23 10:57 ` Jörn Engel
2008-01-23 11:57 ` Ricard Wanderlof
2008-01-23 13:01 ` Jörn Engel
2008-01-23 13:16 ` Ricard Wanderlof
2008-01-23 14:06 ` Jörn Engel
2008-01-23 14:25 ` Ricard Wanderlof
2008-01-21 22:36 ` Glenn Henshaw
2008-01-18 17:20 ` Glenn Henshaw
2008-01-18 18:39 ` Jamie Lokier
2008-01-18 21:00 ` Jörn Engel
2008-01-19 0:23 ` Jamie Lokier
2008-01-19 2:38 ` Jörn Engel
2008-01-17 23:22 ` David Woodhouse
2008-01-18 9:45 ` Matthieu CASTET
2008-01-18 18:20 ` Jamie Lokier
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