6879933 Let SMBFS support extensible attributes per. PSARC 2007/315

*** 596,605 ****
--- 596,609 ----
          vfsp->vfs_bcount = 0;
  
          smi->smi_vfsp   = vfsp;
          smbfs_zonelist_add(smi);        /* undo in smbfs_freevfs */
  
+         /* PSARC 2007/227 VFS Feature Registration */
+         vfs_set_feature(vfsp, VFSFT_XVATTR);
+         vfs_set_feature(vfsp, VFSFT_SYSATTR_VIEWS);
+ 
          /*
           * Create the root vnode, which we need in unmount
           * for the call to smbfs_check_table(), etc.
           * Release this hold in smbfs_unmount.
           */