Add 'p' postfix to mdconfig(8).

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation

2 files changed, 9 insertions, 6 deletions

diff --git a/sbin/mdconfig/mdconfig.8 b/sbin/mdconfig/mdconfig.8
index 6818d7b..d5000cf 100644
--- a/sbin/mdconfig/mdconfig.8
+++ b/sbin/mdconfig/mdconfig.8
@@ -37,7 +37,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 6, 2015
+.Dd October 10, 2015
 .Dt MDCONFIG 8
 .Os
 .Sh NAME
@@ -159,11 +159,11 @@ prefix.
 Size of the memory disk.
 .Ar Size
 is the number of 512 byte sectors unless suffixed with a
-.Cm b , k , m , g ,
+.Cm b , k , m , g , t ,
 or
-.Cm t
+.Cm p
 which
-denotes byte, kilobyte, megabyte, gigabyte and terabyte respectively.
+denotes byte, kilobyte, megabyte, gigabyte, terabyte and petabyte respectively.
 When used without the
 .Fl r
 option, the
diff --git a/sbin/mdconfig/mdconfig.c b/sbin/mdconfig/mdconfig.c
index d741c77..1b4e4ce 100644
--- a/sbin/mdconfig/mdconfig.c
+++ b/sbin/mdconfig/mdconfig.c
@@ -88,8 +88,8 @@ usage(void)
 	fprintf(stderr, "\t\ttype = {malloc, vnode, swap}\n");
 	fprintf(stderr, "\t\toption = {cluster, compress, reserve}\n");
 	fprintf(stderr, "\t\tsize = %%d (512 byte blocks), %%db (B),\n");
-	fprintf(stderr, "\t\t       %%dk (kB), %%dm (MB), %%dg (GB) or\n");
-	fprintf(stderr, "\t\t       %%dt (TB)\n");
+	fprintf(stderr, "\t\t       %%dk (kB), %%dm (MB), %%dg (GB), \n");
+	fprintf(stderr, "\t\t       %%dt (TB), or %%dp (PB)\n");
 	exit(1);
 }
 
@@ -217,6 +217,9 @@ main(int argc, char **argv)
 			else if (*p == 't' || *p == 'T') {
 				mdio.md_mediasize <<= 30;
 				mdio.md_mediasize <<= 10;
+			} else if (*p == 'p' || *p == 'P') {
+				mdio.md_mediasize <<= 30;
+				mdio.md_mediasize <<= 20;
 			} else
 				errx(1, "unknown suffix on -s argument");
 			break;