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[src/trunk]: src/sys add dkwedge_get_parent_name().
details: https://anonhg.NetBSD.org/src/rev/ef8bb6936105
branches: trunk
changeset: 328435:ef8bb6936105
user: christos <christos%NetBSD.org@localhost>
date: Thu Apr 03 15:24:20 2014 +0000
description:
add dkwedge_get_parent_name().
diffstat:
sys/dev/dkwedge/dk.c | 17 +++++++++++++++--
sys/sys/disk.h | 3 ++-
2 files changed, 17 insertions(+), 3 deletions(-)
diffs (52 lines):
diff -r 282f1fbe538d -r ef8bb6936105 sys/dev/dkwedge/dk.c
--- a/sys/dev/dkwedge/dk.c Thu Apr 03 15:22:57 2014 +0000
+++ b/sys/dev/dkwedge/dk.c Thu Apr 03 15:24:20 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dk.c,v 1.68 2014/03/16 05:20:27 dholland Exp $ */
+/* $NetBSD: dk.c,v 1.69 2014/04/03 15:24:20 christos Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.68 2014/03/16 05:20:27 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.69 2014/04/03 15:24:20 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@@ -1461,3 +1461,16 @@
return wedge;
}
+const char *
+dkwedge_get_parent_name(dev_t dev)
+{
+ /* XXX: perhaps do this in lookup? */
+ int bmaj = bdevsw_lookup_major(&dk_bdevsw);
+ int cmaj = cdevsw_lookup_major(&dk_cdevsw);
+ if (major(dev) != bmaj && major(dev) != cmaj)
+ return NULL;
+ struct dkwedge_softc *sc = dkwedge_lookup(dev);
+ if (sc == NULL)
+ return NULL;
+ return sc->sc_parent->dk_name;
+}
diff -r 282f1fbe538d -r ef8bb6936105 sys/sys/disk.h
--- a/sys/sys/disk.h Thu Apr 03 15:22:57 2014 +0000
+++ b/sys/sys/disk.h Thu Apr 03 15:24:20 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: disk.h,v 1.59 2013/05/29 15:22:19 martin Exp $ */
+/* $NetBSD: disk.h,v 1.60 2014/04/03 15:24:20 christos Exp $ */
/*-
* Copyright (c) 1996, 1997, 2004 The NetBSD Foundation, Inc.
@@ -534,6 +534,7 @@
void dkwedge_discover(struct disk *);
int dkwedge_read(struct disk *, struct vnode *, daddr_t, void *, size_t);
device_t dkwedge_find_by_wname(const char *);
+const char *dkwedge_get_parent_name(dev_t);
void dkwedge_print_wnames(void);
device_t dkwedge_find_partition(device_t, daddr_t, uint64_t);
#endif
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