Module Name: src
Committed By: christos
Date: Thu Nov 12 15:25:22 UTC 2015
Modified Files:
src/sys/sys: disk.h
Log Message:
Add DK_DEV_BSIZE_OK()
To generate a diff of this commit:
cvs rdiff -u -r1.65 -r1.66 src/sys/sys/disk.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/disk.h
diff -u src/sys/sys/disk.h:1.65 src/sys/sys/disk.h:1.66
--- src/sys/sys/disk.h:1.65 Sun Aug 16 14:00:03 2015
+++ src/sys/sys/disk.h Thu Nov 12 10:25:22 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: disk.h,v 1.65 2015/08/16 18:00:03 mlelstv Exp $ */
+/* $NetBSD: disk.h,v 1.66 2015/11/12 15:25:22 christos Exp $ */
/*-
* Copyright (c) 1996, 1997, 2004 The NetBSD Foundation, Inc.
@@ -519,6 +519,8 @@ struct disk_strategy {
#define DK_BSIZE2BLKSHIFT(b) ((ffs((b) / DEV_BSIZE)) - 1)
#define DK_BSIZE2BYTESHIFT(b) (ffs((b)) - 1)
+#define DK_DEV_BSIZE_OK(b) \
+ ((b) >= DEV_BSIZE && ((b) & ((b) - 1)) == 0 && (b) <= MAXPHYS)
#ifdef _KERNEL
extern int disk_count; /* number of disks in global disklist */
