patch-2.1.126 linux/drivers/scsi/sd.h

• Lines: 12
• Date: Fri Oct 23 10:16:03 1998
• Orig file: v2.1.125/linux/drivers/scsi/sd.h
• Orig date: Fri Jul 31 17:07:58 1998

diff -u --recursive --new-file v2.1.125/linux/drivers/scsi/sd.h linux/drivers/scsi/sd.h
@@ -42,6 +42,11 @@
 
 extern int revalidate_scsidisk(kdev_t dev, int maxusage);
 
+#define N_SD_MAJORS	8
+
+#define SD_MAJOR_MASK	(N_SD_MAJORS - 1)
+#define SD_PARTITION(i)		(((MAJOR(i) & SD_MAJOR_MASK) << 8) | (MINOR(i) & 255))
+
 #endif
 
 /*