[SCSI] sd: Move scsi_disk() accessor function to sd.h

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/sd.c

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e19691f..71069d9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -295,11 +295,6 @@
 	}
 }
 
-static inline struct scsi_disk *scsi_disk(struct gendisk *disk)
-{
-	return container_of(disk->private_data, struct scsi_disk, driver);
-}
-
 static struct scsi_disk *__scsi_disk_get(struct gendisk *disk)
 {
 	struct scsi_disk *sdkp = NULL;

drivers/scsi/sd.h

diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 4f032d4..03a3d45 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -48,6 +48,11 @@
 };
 #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
 
+static inline struct scsi_disk *scsi_disk(struct gendisk *disk)
+{
+	return container_of(disk->private_data, struct scsi_disk, driver);
+}
+
 #define sd_printk(prefix, sdsk, fmt, a...)				\
         (sdsk)->disk ?							\
 	sdev_printk(prefix, (sdsk)->device, "[%s] " fmt,		\