NFS: Create a new nfs_try_mount()

This function returns the same same return type as nfs4_try_mount() so
they two can be more easily substituted.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
1 file changed