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[src/trunk]: src/sys/kern move setdisklabel(9) into a separate file.
details: https://anonhg.NetBSD.org/src/rev/3cbe8b74cb34
branches: trunk
changeset: 840380:3cbe8b74cb34
user: christos <christos%NetBSD.org@localhost>
date: Thu Apr 04 20:19:07 2019 +0000
description:
move setdisklabel(9) into a separate file.
diffstat:
sys/kern/files.kern | 3 +-
sys/kern/subr_disk.c | 76 +------------------------------
sys/kern/subr_disklabel.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 115 insertions(+), 75 deletions(-)
diffs (226 lines):
diff -r ad747881e702 -r 3cbe8b74cb34 sys/kern/files.kern
--- a/sys/kern/files.kern Thu Apr 04 19:50:47 2019 +0000
+++ b/sys/kern/files.kern Thu Apr 04 20:19:07 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.kern,v 1.33 2019/02/23 03:10:06 kamil Exp $
+# $NetBSD: files.kern,v 1.34 2019/04/04 20:19:07 christos Exp $
#
# kernel sources
@@ -109,6 +109,7 @@
file kern/subr_device.c kern
file kern/subr_devsw.c kern
file kern/subr_disk.c kern
+file kern/subr_disklabel.c kern
file kern/subr_disk_open.c kern
file kern/subr_emul.c kern
file kern/subr_evcnt.c kern
diff -r ad747881e702 -r 3cbe8b74cb34 sys/kern/subr_disk.c
--- a/sys/kern/subr_disk.c Thu Apr 04 19:50:47 2019 +0000
+++ b/sys/kern/subr_disk.c Thu Apr 04 20:19:07 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_disk.c,v 1.126 2019/04/04 11:49:06 christos Exp $ */
+/* $NetBSD: subr_disk.c,v 1.127 2019/04/04 20:19:07 christos Exp $ */
/*-
* Copyright (c) 1996, 1997, 1999, 2000, 2009 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_disk.c,v 1.126 2019/04/04 11:49:06 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_disk.c,v 1.127 2019/04/04 20:19:07 christos Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -740,75 +740,3 @@
if (odisk_info)
prop_object_release(odisk_info);
}
-
-#ifndef __HAVE_SETDISKLABEL
-
-#ifdef DEBUG
-#define DPRINTF(a, ...) printf(a, ##__VA_ARGS__)
-#else
-#define DPRINTF(a, ...) __nothing
-#endif
-
-/*
- * Check new disk label for sensibility
- * before setting it.
- */
-int
-setdisklabel(struct disklabel *olp, struct disklabel *nlp, u_long openmask,
- struct cpu_disklabel *osdep)
-{
- int i;
- struct partition *opp, *npp;
-
- /* sanity clause */
- if (nlp->d_secpercyl == 0 || nlp->d_secsize == 0
- || (nlp->d_secsize % DEV_BSIZE) != 0) {
- DPRINTF("%s: secpercyl/secsize %u/%u\n", __func__,
- nlp->d_secpercyl, nlp->d_secsize);
- return EINVAL;
- }
-
- /* special case to allow disklabel to be invalidated */
- if (nlp->d_magic == 0xffffffff) {
- *olp = *nlp;
- return 0;
- }
-
- if (nlp->d_magic != DISKMAGIC || nlp->d_magic2 != DISKMAGIC ||
- nlp->d_npartitions > MAXPARTITIONS || dkcksum(nlp) != 0) {
- DPRINTF("%s: bad magic %#x/%#x != %#x, partitions %u != %u"
- ", bad sum=%#x\n", __func__,
- nlp->d_magic, nlp->d_magic2, DISKMAGIC,
- nlp->d_npartitions, MAXPARTITIONS, dkcksum(nlp));
- return EINVAL;
- }
-
- while (openmask != 0) {
- i = ffs(openmask) - 1;
- openmask &= ~(1 << i);
- if (i >= nlp->d_npartitions) {
- DPRINTF("%s: partition not found\n", __func__);
- return EBUSY;
- }
- opp = &olp->d_partitions[i];
- npp = &nlp->d_partitions[i];
- /*
- * Copy internally-set partition information
- * if new label doesn't include it. XXX
- */
- if (npp->p_fstype == FS_UNUSED && opp->p_fstype != FS_UNUSED) {
- *npp = *opp;
- continue;
- }
- if (npp->p_offset != opp->p_offset || npp->p_size < opp->p_size)
- {
- DPRINTF("%s: mismatched offset/size", __func__);
- return EBUSY;
- }
- }
- nlp->d_checksum = 0;
- nlp->d_checksum = dkcksum(nlp);
- *olp = *nlp;
- return 0;
-}
-#endif
diff -r ad747881e702 -r 3cbe8b74cb34 sys/kern/subr_disklabel.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/kern/subr_disklabel.c Thu Apr 04 20:19:07 2019 +0000
@@ -0,0 +1,111 @@
+/* $NetBSD: subr_disklabel.c,v 1.1 2019/04/04 20:19:07 christos Exp $ */
+
+/*
+ * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
+ * 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.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
+ *
+ * @(#)ufs_disksubr.c 7.16 (Berkeley) 5/4/91
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: subr_disklabel.c,v 1.1 2019/04/04 20:19:07 christos Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/disklabel.h>
+
+#ifndef __HAVE_SETDISKLABEL
+
+#ifdef DEBUG
+#define DPRINTF(a, ...) printf(a, ##__VA_ARGS__)
+#else
+#define DPRINTF(a, ...) __nothing
+#endif
+
+/*
+ * Check new disk label for sensibility
+ * before setting it.
+ */
+int
+setdisklabel(struct disklabel *olp, struct disklabel *nlp, u_long openmask,
+ struct cpu_disklabel *osdep)
+{
+ int i;
+ struct partition *opp, *npp;
+
+ /* sanity clause */
+ if (nlp->d_secpercyl == 0 || nlp->d_secsize == 0
+ || (nlp->d_secsize % DEV_BSIZE) != 0) {
+ DPRINTF("%s: secpercyl/secsize %u/%u\n", __func__,
+ nlp->d_secpercyl, nlp->d_secsize);
+ return EINVAL;
+ }
+
+ /* special case to allow disklabel to be invalidated */
+ if (nlp->d_magic == 0xffffffff) {
+ *olp = *nlp;
+ return 0;
+ }
+
+ if (nlp->d_magic != DISKMAGIC || nlp->d_magic2 != DISKMAGIC ||
+ nlp->d_npartitions > MAXPARTITIONS || dkcksum(nlp) != 0) {
+ DPRINTF("%s: bad magic %#x/%#x != %#x, partitions %u != %u"
+ ", bad sum=%#x\n", __func__,
+ nlp->d_magic, nlp->d_magic2, DISKMAGIC,
+ nlp->d_npartitions, MAXPARTITIONS, dkcksum(nlp));
+ return EINVAL;
+ }
+
+ while (openmask != 0) {
+ i = ffs(openmask) - 1;
+ openmask &= ~(1 << i);
+ if (i >= nlp->d_npartitions) {
+ DPRINTF("%s: partition not found\n", __func__);
+ return EBUSY;
+ }
+ opp = &olp->d_partitions[i];
+ npp = &nlp->d_partitions[i];
+ /*
+ * Copy internally-set partition information
+ * if new label doesn't include it. XXX
+ */
+ if (npp->p_fstype == FS_UNUSED && opp->p_fstype != FS_UNUSED) {
+ *npp = *opp;
+ continue;
+ }
+ if (npp->p_offset != opp->p_offset || npp->p_size < opp->p_size)
+ {
+ DPRINTF("%s: mismatched offset/size", __func__);
+ return EBUSY;
+ }
+ }
+ nlp->d_checksum = 0;
+ nlp->d_checksum = dkcksum(nlp);
+ *olp = *nlp;
+ return 0;
+}
+#endif
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