Add a "-S sectorsize" option to enable Kirk to find a bug :-)

2 files changed, 10 insertions, 2 deletions

diff --git a/sbin/mdconfig/mdconfig.8 b/sbin/mdconfig/mdconfig.8
index 3b3583e986be..2ed1bdd6ad21 100644
--- a/sbin/mdconfig/mdconfig.8
+++ b/sbin/mdconfig/mdconfig.8
@@ -57,6 +57,7 @@
 .Oc
 .Op Fl s Ar size
 .Op Fl f Ar file
+.Op Fl S Ar sectorsize
 .Op Fl u Ar unit
 .Nm
 .Fl d
@@ -111,6 +112,8 @@ or
 .Cm g
 which
 denotes kilobyte, megabyte and gigabyte respectively.
+.It Fl S Ar sectorsize
+Sectorsize to use for malloc backed device.
 .It Fl o Oo Cm no Oc Ns Ar option
 Set or reset options.
 .Bl -tag -width indent
diff --git a/sbin/mdconfig/mdconfig.c b/sbin/mdconfig/mdconfig.c
index f92e6a989c16..8ead3ad61391 100644
--- a/sbin/mdconfig/mdconfig.c
+++ b/sbin/mdconfig/mdconfig.c
@@ -37,7 +37,7 @@ void
 usage()
 {
 	fprintf(stderr, "usage:\n");
-	fprintf(stderr, "\tmdconfig -a -t type [-o [no]option]... [ -f file] [-s size] [-u unit]\n");
+	fprintf(stderr, "\tmdconfig -a -t type [-o [no]option]... [ -f file] [-s size] [-S sectorsize] [-u unit]\n");
 	fprintf(stderr, "\tmdconfig -d -u unit\n");
 	fprintf(stderr, "\tmdconfig -l [-u unit]\n");
 	fprintf(stderr, "\t\ttype = {malloc, preload, vnode, swap}\n");
@@ -54,7 +54,7 @@ main(int argc, char **argv)
 	int cmdline = 0;
 
 	for (;;) {
-		ch = getopt(argc, argv, "ab:df:lo:s:t:u:");
+		ch = getopt(argc, argv, "ab:df:lo:s:S:t:u:");
 		if (ch == -1)
 			break;
 		switch (ch) {
@@ -130,6 +130,11 @@ main(int argc, char **argv)
 			else
 				errx(1, "Unknown option.");
 			break;
+		case 'S':
+			if (cmdline != 2)
+				usage();
+			mdio.md_secsize = strtoul(optarg, &p, 0);
+			break;
 		case 's':
 			if (cmdline != 2)
 				usage();