Messages in this thread | | | Subject | Re: [RFC] unify semaphore implementations | From | Trond Myklebust <> | Date | Sat, 30 Apr 2005 12:50:16 -0400 |
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On lau , 2005-04-30 at 11:49 +1000, Paul Mackerras wrote: > Benjamin LaHaise writes: > > > There are at least two users who need asynchronous semaphore/mutex > > operations: aio_write (which needs to acquire i_sem), and nfs. > > What do you mean by asynchronous semaphore/mutex operations? Are you > talking about a down operation that will acquire the semaphore if it > is free, but if not, arrange for a callback and return immediately, or > something?
Yes. See the iosem patches I posted a couple of weeks ago.
Cheers, Trond
-- Trond Myklebust <trond.myklebust@fys.uio.no>
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