[Linux-cluster] GFS
Gradimir Starovic
gradimir at veritas.com
Fri Oct 29 08:33:08 UTC 2004
> On Fri, Oct 29, 2004 at 08:40:00AM +0100, Gradimir Starovic wrote:
> > > Both flock() and fcntl() locks are cluster-wide on gfs.
> > > Since 2.6.9 no kernel patches are required.
> > >
> >
> > Is fcntl() locking working for nfs over gfs now, or is server
> > still calling posix_lock_file w/o calling fs-specific lock()?
>
> As far as I know, nfs only acquires locks in the vfs
> (posix_lock_file).
> Do you know anyone who has begun work to add fs-specific calls?
>
I thought GFS had its gfs_lock file operation, but must say my knowledge
of GFS is not great. The problem is, how can fcntl locking be cluster-wide,
for nfs on a cluster, if it's done only locally and the cluster fs is
not even told about that.
cheers
gradimir
> --
> Dave Teigland <teigland at redhat.com>
>
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