From: Steven Scholz <steven.scholz@imc-berlin.de>
To: linux-mtd@lists.infradead.org
Subject: Re: JFFS2: mount time, SUMMARY and gc.c ?
Date: Fri, 07 Jan 2005 20:11:06 +0100 [thread overview]
Message-ID: <41DEDECA.5070400@imc-berlin.de> (raw)
In-Reply-To: <Pine.LNX.4.58.0501071902390.13073@phoenix.infradead.org>
Artem B. Bityuckiy wrote:
>>But still why is it done everytime I boot my target?
>
> This is how JFFS2 implemented. It skips nodes CRC checking during mount
> and does this lated in background. Actually, you can't write anything to
> your flash untill the GC thread (jffs2_gcd_mtd0) have not completed
> checking. But you may read from JFFS2 during that checking process.
Well but "in background" means 99.9% of cpu time!
And this slows down the start up of important user applications.
Would it help to enable CONFIG_PREEMPT?
--
Steven
next prev parent reply other threads:[~2005-01-07 19:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-07 18:36 JFFS2: mount time, SUMMARY and gc.c ? Steven Scholz
2005-01-07 18:44 ` Steven Scholz
2005-01-07 19:05 ` Artem B. Bityuckiy
2005-01-07 19:11 ` Steven Scholz [this message]
2005-01-07 19:24 ` Artem B. Bityuckiy
2005-01-07 19:40 ` Artem B. Bityuckiy
2005-01-07 20:53 ` Todd Poynor
2005-01-08 12:43 ` Artem B. Bityuckiy
2005-01-07 20:31 ` Josh Boyer
2005-01-10 9:02 ` Steven Scholz
2005-01-07 19:01 ` Artem B. Bityuckiy
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