diff -ur linux-2.4.0-test6/drivers/char/sysrq.c linux/drivers/char/sysrq.c
--- linux-2.4.0-test6/drivers/char/sysrq.c	Tue Aug  1 04:36:10 2000
+++ linux/drivers/char/sysrq.c	Sun Aug 13 03:45:49 2000
@@ -6,6 +6,11 @@
  *
  *	(c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
  *	based on ideas by Pavel Machek <pavel@atrey.karlin.mff.cuni.cz>
+ *
+ *	13-Aug-2000  Modified by Jan Dvorak  <johnydog@go.cz>
+ *
+ *	is_local_disk() is now macro, and depends on <linux/major.h>
+ *
  */
 
 #include <linux/config.h>
@@ -157,28 +162,8 @@
 
 /* Aux routines for the syncer */
 
-static int is_local_disk(kdev_t dev)	    /* Guess if the device is a local hard drive */
-{
-	unsigned int major = MAJOR(dev);
-
-	switch (major) {
-	case IDE0_MAJOR:
-	case IDE1_MAJOR:
-	case IDE2_MAJOR:
-	case IDE3_MAJOR:
-	case SCSI_DISK0_MAJOR:
-	case SCSI_DISK1_MAJOR:
-	case SCSI_DISK2_MAJOR:
-	case SCSI_DISK3_MAJOR:
-	case SCSI_DISK4_MAJOR:
-	case SCSI_DISK5_MAJOR:
-	case SCSI_DISK6_MAJOR:
-	case SCSI_DISK7_MAJOR:
-		return 1;
-	default:
-		return 0;
-	}
-}
+#define is_local_disk(dev) \
+	(scsi_blk_major(MAJOR(dev)) || ide_blk_major(MAJOR(dev)))
 
 static void go_sync(struct super_block *sb, int remount_flag)
 {
diff -ur linux-2.4.0-test6/include/linux/major.h linux/include/linux/major.h
--- linux-2.4.0-test6/include/linux/major.h	Mon Jun 19 22:42:43 2000
+++ linux/include/linux/major.h	Fri Aug 11 00:59:56 2000
@@ -156,4 +156,20 @@
 	return SCSI_BLK_MAJOR(m);
 }
 
+/*
+ * Test for IDE devices.
+ */
+
+#define IDE_BLK_MAJOR(M) ((M) == IDE0_MAJOR || \
+  (M) == IDE1_MAJOR || \
+  (M) == IDE2_MAJOR || \
+  (M) == IDE3_MAJOR || \
+  (M) == IDE4_MAJOR || \
+  (M) == IDE5_MAJOR || \
+  ((M) >= IDE6_MAJOR && (M) <= IDE9_MAJOR))
+
+static __inline__ int ide_blk_major(int m) {
+	return IDE_BLK_MAJOR(m);
+}
+
 #endif