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From: David Woodhouse <dwmw2@infradead.org>
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To: "??" <kevin@gv.com.tw>
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Subject: Re: [power-saving issue] 
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Date: Tue, 15 Oct 2002 13:56:42 +0100
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kevin@gv.com.tw said:
>  we want to stop gc thread manually when system goto suspend mode,
> can we simply call "jffs2_stop_garbage_collect_thread()"? and how to
> get its param: "struct jffs2_sb_info *c"

Send it a SIGSTOP from userspace, then a SIGCONT when you want it to wake 
up. Or send it a SIGKILL to kill it permanently (until the next remount).

> btw, i think gc thread wakeup only if its necessary not regularly,
> right?

Correct.

--
dwmw2