From: Andrew Morton <akpm@osdl.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: viro@parcelfarce.linux.theplanet.co.uk, manfred@colorfullife.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] kill sleep_on
Date: Sat, 17 Jan 2004 22:41:39 -0800 [thread overview]
Message-ID: <20040117224139.5585fb9c.akpm@osdl.org> (raw)
In-Reply-To: <1074383111.9965.4.camel@imladris.demon.co.uk>
David Woodhouse <dwmw2@infradead.org> wrote:
>
> On Sat, 2004-01-17 at 20:10 +0000,
> viro@parcelfarce.linux.theplanet.co.uk wrote:
> > AFAICS, _all_ uses of sleep_on() in drivers are broken in one way or another
> > and BKL won't help them.
>
> I think ext3 and nfs get away with it at the moment by using the BKL. It
> does want fixing though.
ext3 had all its sleep_on()s and lock_kernel()s eradicated ages ago. In
2.4 it uses sleep_on()s and lock_kernel() makes that safe.
It would be nice to fix up the lock_kernel()s in the NFS client: SMP lock
contention is quite high in there.
next prev parent reply other threads:[~2004-01-18 6:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 18:43 Manfred Spraul
2004-01-17 19:19 ` Arjan van de Ven
2004-01-17 19:28 ` David Woodhouse
2004-01-17 20:10 ` viro
2004-01-17 23:18 ` Trond Myklebust
2004-01-17 23:45 ` David Woodhouse
2004-01-18 6:41 ` Andrew Morton [this message]
2004-01-18 6:57 ` Trond Myklebust
2004-01-18 7:05 ` Trond Myklebust
2004-01-18 7:36 ` Andrew Morton
2004-01-18 7:44 ` Manfred Spraul
2004-01-18 8:03 ` Trond Myklebust
2004-01-18 8:18 ` Manfred Spraul
2004-01-18 17:07 ` Trond Myklebust
2004-01-18 7:54 ` Trond Myklebust
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