Re: [PATCH] nfs: introduce mount option '-olocal_lock' to make locks local (try++)

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On Thu, 2010-09-23 at 08:56 -0400, Trond Myklebust wrote:
> On Thu, 2010-09-23 at 12:40 +0530, Suresh Jayaraman wrote:
> > On 09/22/2010 09:36 PM, Trond Myklebust wrote:
> > > On Mon, 2010-09-20 at 16:41 +0530, Suresh Jayaraman wrote:
> > >> Changes since last post:
> > >>
> > >>    - NFS_MOUNT_NONLM definition remains unmodified as legacy binary mount
> > >>      interface uses it
> > >>    - Fixed an Oops in _nfs4_do_setlk() found during NFSv4 reboot recovery
> > >>    - Rebased against Trond's nfs-2.6.git (nfs-for-2.6.37 branch)
> > >>
> > >> Thanks,
> > >> Suresh Jayaraman
> > >>
> > > 
> > > Suresh,
> > > 
> > > This still appears to break the binary mount interface. You need
> > > something in nfs_validate_mount_data() to convert the NFS_MOUNT_NONLM
> > > flag into (NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL).
> > > 
> > 
> > Good catch, thanks. Here's the fixed version (haven't tested it as I don't
> > find a simple way to test it and it looks obvious):
> 
> Hi Suresh,
> 
> This one looks good to me.
> 
> Thanks!
>   Trond

Hmm... One thing to note: it would be nice to display the 'local_lock'
status in /proc/mounts. That can be applied as a separate patch, though.

Cheers
  Trond
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