Messages in this thread | | | Subject | Re: files_lock deadlock? | From | Arjan van de Ven <> | Date | Fri, 12 Aug 2005 09:07:33 +0200 |
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On Fri, 2005-08-12 at 08:41 +0200, Martin Wilck wrote: > Arjan van de Ven wrote: > > > I disagree, it's a performance cost. > > It's a lot easier to make remove_proc_entry() a might_sleep().. (I'm > > surprised it isn't already btw given that it's vfs related and the vfs > > is mostly semaphore based) > > Well enough. But to my understanding using spin_lock implies that we can > _prove_ the lock won't be taken in softirq context, and that we will be > able to prevent new such paths to be introduced in the future. I wonder > if that's possible for this lock.
doing anything with files implies having a defined usercontext really, and generally sleeping as well. So think this is quite safe.
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