Messages in this thread | | | Date | Sat, 17 Jan 2004 22:41:39 -0800 | From | Andrew Morton <> | Subject | Re: [RFC] kill sleep_on |
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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.
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