SUJ and "mount" reporting

John Baldwin jhb at
Wed Jun 2 14:01:06 UTC 2010

On Wednesday 02 June 2010 4:47:48 am Craig Rodrigues wrote:
> On Tue, Jun 01, 2010 at 11:25:00AM -0400, John Baldwin wrote:
> > My understanding of nmount() is that that is what it does now.  However, 
> > everything is fully updated for nmount().  struct nfsargs is still passed 
> > as a blob value with the key "nfsargs" for example.
> This is not true any more.  Doug Rabson and I modified
> src/usr.sbin/mount_nfs so that it passes individual string options
> via nmount() down to the kernel, which then parses the string options.
> Doug added a fallback_mount() function which reverts to the
> old behavior of passing a blob with key "nfsargs" for older kernels.
> The Berkeley amd is the next big NFS mount client which needs
> to be updated to use nmount().....but that code is messy. :)

It seems that the options are still not listed in 'mount' output however.  Is 
userland able to easily query the list of options that are set on a 

John Baldwin

More information about the freebsd-current mailing list