[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>
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, \