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Add the possibility to specify "-o force" with "mdconfig -du".

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Reviewed by:	scottl
Approved by:	rwatson (mentor)
Sponsored by:	FreeBSD Foundation
This commit is contained in:
trasz 2009-01-10 17:17:18 +00:00
parent 2715f5ad31
commit 81e2127caa
3 changed files with 16 additions and 3 deletions
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1
sbin/mdconfig/mdconfig.8
View File

@ -62,6 +62,7 @@
.Nm
.Fl d
.Fl u Ar unit
.Op Fl o Oo Cm no Oc Ns Ar force
.Nm
.Fl l
.Op Fl n

12
sbin/mdconfig/mdconfig.c
View File

@ -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"))

6
sys/dev/md/md.c
View File

@ -1133,13 +1133,15 @@ xmdctlioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread
mdinit(sc);
return (0);
case MDIOCDETACH:
if (mdio->md_mediasize != 0 || mdio->md_options != 0)
if (mdio->md_mediasize != 0 ||
(mdio->md_options & ~MD_FORCE) != 0)
return (EINVAL);
sc = mdfind(mdio->md_unit);
if (sc == NULL)
return (ENOENT);
if (sc->opencount != 0 && !(sc->flags & MD_FORCE))
if (sc->opencount != 0 && !(sc->flags & MD_FORCE) &&
!(mdio->md_options & MD_FORCE))
return (EBUSY);
return (mddestroy(sc, td));
case MDIOCQUERY: