[src/trunk]: src/sys/rump/fs/lib/libzfs autocreate /dev/zfs. requested by riz

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2bb81ec89b86
branches:  trunk
changeset: 763136:2bb81ec89b86
user:      pooka <pooka%NetBSD.org@localhost>
date:      Thu Mar 10 19:24:37 2011 +0000

description:
autocreate /dev/zfs.  requested by riz

diffstat:

 sys/rump/fs/lib/libzfs/Makefile    |   3 +-
 sys/rump/fs/lib/libzfs/component.c |  56 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletions(-)

diffs (77 lines):

diff -r 661822dd0e86 -r 2bb81ec89b86 sys/rump/fs/lib/libzfs/Makefile
--- a/sys/rump/fs/lib/libzfs/Makefile   Thu Mar 10 18:18:00 2011 +0000
+++ b/sys/rump/fs/lib/libzfs/Makefile   Thu Mar 10 19:24:37 2011 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.2 2011/01/21 13:11:04 pooka Exp $
+#      $NetBSD: Makefile,v 1.3 2011/03/10 19:24:37 pooka Exp $
 #
 
 S!=             cd ${.PARSEDIR}/../../../../;pwd
@@ -11,6 +11,7 @@
 CPPFLAGS+=      -I${RUMPTOP}/librump/rumpkern -I${RUMPTOP}/librump/rumpvfs\
                -I${RUMPTOP}/librump/rumpdev
 
+SRCS+= component.c
 
 .include <bsd.lib.mk>
 .include <bsd.klinks.mk>
diff -r 661822dd0e86 -r 2bb81ec89b86 sys/rump/fs/lib/libzfs/component.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/rump/fs/lib/libzfs/component.c        Thu Mar 10 19:24:37 2011 +0000
@@ -0,0 +1,56 @@
+/*     $NetBSD: component.c,v 1.4 2011/03/10 19:24:37 pooka Exp $      */
+
+/*
+ * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: component.c,v 1.4 2011/03/10 19:24:37 pooka Exp $");
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/device.h>
+#include <sys/stat.h>
+
+#include "rump_private.h"
+#include "rump_vfs_private.h"
+
+RUMP_COMPONENT(RUMP_COMPONENT_VFS)
+{
+       extern const struct bdevsw zfs_bdevsw;
+       extern const struct cdevsw zfs_cdevsw;
+       devmajor_t bmaj, cmaj;
+       int error;
+
+       /* go, mydevfs */
+       bmaj = cmaj = -1;
+
+       if ((error = devsw_attach("zfs", &zfs_bdevsw, &bmaj,
+           &zfs_cdevsw, &cmaj)) != 0 && error != EEXIST)
+               panic("cannot attach zfs: %d", error);
+
+       if ((error = rump_vfs_makeonedevnode(S_IFCHR,
+           "/dev/zfs", cmaj, 0)) != 0)
+               panic("cannot create cooked cgd dev nodes: %d", error);
+}