Module Name: src
Committed By: jdolecek
Date: Mon Feb 27 21:25:46 UTC 2017
Modified Files:
src/sys/dev: cgd.c
Log Message:
pass also DIOCGCACHE to underlying device, so that upper layers would be able
to get device cache properties without knowing the topology
To generate a diff of this commit:
cvs rdiff -u -r1.113 -r1.114 src/sys/dev/cgd.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/cgd.c
diff -u src/sys/dev/cgd.c:1.113 src/sys/dev/cgd.c:1.114
--- src/sys/dev/cgd.c:1.113 Thu Dec 22 20:57:33 2016
+++ src/sys/dev/cgd.c Mon Feb 27 21:25:45 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: cgd.c,v 1.113 2016/12/22 20:57:33 kamil Exp $ */
+/* $NetBSD: cgd.c,v 1.114 2017/02/27 21:25:45 jdolecek Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cgd.c,v 1.113 2016/12/22 20:57:33 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cgd.c,v 1.114 2017/02/27 21:25:45 jdolecek Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -715,14 +715,10 @@ cgdioctl(dev_t dev, u_long cmd, void *da
if (DK_BUSY(&cs->sc_dksc, pmask))
return EBUSY;
return cgd_ioctl_clr(cs, l);
+ case DIOCGCACHE:
case DIOCCACHESYNC:
- /*
- * XXX Do we really need to care about having a writable
- * file descriptor here?
- */
- if ((flag & FWRITE) == 0)
- return (EBADF);
-
+ if (!DK_ATTACHED(dksc))
+ return ENOENT;
/*
* We pass this call down to the underlying disk.
*/
