From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Woodhouse <dwmw2@infradead.org>
To: =?ISO-8859-1?Q?J=F6rn?= Engel <joern@wohnheim.fh-wedel.de>
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Date: Tue, 25 Jan 2005 10:56:39 +0000
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Cc: MTD List <linux-mtd@lists.infradead.org>
Subject: Re: JFFS3 & performance
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On Tue, 2005-01-25 at 11:51 +0100, Jörn Engel wrote:
> > RULE: Can not have any f->sem locked if gonna lock f->alloc_sem.
> 
> Or c->erase_completion_lock if you want to lock either of the above.

That's obvious -- you can't lock semaphores while you hold spinlocks.

> Or c->inocache_lock if you want to lock either of the above.

That (inocache_lock vs. erase_completion_lock) is documented in
README.Locking.

-- 
dwmw2