Messages in this thread | | | Date | Fri, 1 Jul 2005 00:14:39 -0700 | From | Andrew Morton <> | Subject | Re: FUSE merging? |
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Miklos Szeredi <miklos@szeredi.hu> wrote: > > > > > > > > - aren't we going to remove the nfs semi-server feature? > > > > > > I leave the decision to you ;) It's a separate independent patch > > > already (fuse-nfs-export.patch). > > > > Let's leave it out - that'll stimulate some activity in the > > userspace-nfs-server-for-FUSE area. > > > > Speaking of which, dumb question: what does FUSE offer over simply using > > NFS protocol to talk to the userspace filesystem driver? > > Oh lots: > > - no deadlocks (NFS mounted from localhost is riddled with them)
It is? We had some low-memory problems a while back, but they got fixed. During that work I did some nfs-to-localhost testing and things seemed OK.
> - efficient protocol, optimized for less context switches
One wouldn't really expect a userspace filesystem to be particularly fast, and the performance will be dominated by memory copies and IO wait anyway.
> - dcache invalidation policy
What's that?
> - probably more, but I can't remember
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