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Diffstat (limited to 'sbin/mdconfig/mdconfig.c')
-rw-r--r--sbin/mdconfig/mdconfig.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/sbin/mdconfig/mdconfig.c b/sbin/mdconfig/mdconfig.c
index d1abf6800fa3..107a25975097 100644
--- a/sbin/mdconfig/mdconfig.c
+++ b/sbin/mdconfig/mdconfig.c
@@ -58,7 +58,7 @@ usage()
"usage: mdconfig -a -t type [-n] [-o [no]option] ... [-f file]\n"
" [-s size] [-S sectorsize] [-u unit]\n"
" [-x sectors/track] [-y heads/cyl]\n"
-" mdconfig -d -u unit\n"
+" mdconfig -d -u unit [-o [no]force]\n"
" mdconfig -l [-v] [-n] [-u unit]\n");
fprintf(stderr, "\t\ttype = {malloc, preload, vnode, swap}\n");
fprintf(stderr, "\t\toption = {cluster, compress, reserve}\n");
@@ -160,6 +160,16 @@ main(int argc, char **argv)
close(fd);
break;
case 'o':
+ if (action == DETACH) {
+ if (!strcmp(optarg, "force"))
+ mdio.md_options |= MD_FORCE;
+ else if (!strcmp(optarg, "noforce"))
+ mdio.md_options &= ~MD_FORCE;
+ else
+ errx(1, "Unknown option: %s.", optarg);
+ break;
+ }
+
if (cmdline != 2)
usage();
if (!strcmp(optarg, "async"))