Correct printf format for pointers to avoid compilation warnings on alpha.
Correct printf format for pointers to avoid compilation warnings on
alpha.

Modify the manner in which we lock RAID-5 plexes.  This appears to
solve some of the elusive panics we have seen with corrupted buffer
headers (specifically the zeroed-out b_iodone field).

Submitted-by:	      Bernd Walter <850f4ee360282b8635da69a01a7b8b9eeb565692@cicely.de>

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