 - Remove the remaining now unnecessary checks for the buf's b_object being    NULL.  See revision 1.421 for more detail.  - Remove GIANT_REQUIRED from vfs_unbusy_pages().  Discussed with: jeff
 - Remove the remaining now unnecessary checks for the buf's b_object being
   NULL.  See revision 1.421 for more detail.
 - Remove GIANT_REQUIRED from vfs_unbusy_pages().  Discussed with: jeff

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase