Push down the bkl into ioctl functions on the scsi layer.

[jkacur: Forward declaration missing ';'.
Conflicting declaraction in megaraid.h changed
Fixed missing inodes declarations]
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NJohn Kacur <jkacur@redhat.com>
Signed-off-by: NFrederic Weisbecker <fweisbec@gmail.com>