arcmsr is a driver for the Areca Raid controller, a host based RAID
subsystem that speaks SCSI at the firmware level.
This patch is quite a clean up over the initial submission with
contributions from:
Randy Dunlap
Christoph Hellwig
Matthew Wilcox
Adrian Bunk
Signed-off-by: Erich Chen
Signed-off-by: Andrew Morton
Signed-off-by: James Bottomley