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Make CCD unloadable.

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This commit is contained in:
phk 2003-08-22 11:04:47 +00:00
parent ec0641f616
commit 57ee24a70a
1 changed files with 11 additions and 8 deletions
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19
sys/geom/geom_ccd.c
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@ -790,27 +790,26 @@ g_ccd_create(struct gctl_req *req, struct g_class *mp)
sbuf_delete(sb);
}
static void
g_ccd_destroy(struct gctl_req *req, struct g_class *mp)
static int
g_ccd_destroy_geom(struct gctl_req *req, struct g_class *mp, struct g_geom *gp)
{
struct g_geom *gp;
struct g_provider *pp;
struct ccd_s *sc;
g_topology_assert();
gp = gctl_get_geom(req, mp, "geom");
if (gp == NULL)
return;
sc = gp->softc;
pp = LIST_FIRST(&gp->provider);
if (sc == NULL || pp == NULL)
return (EBUSY);
if (pp->acr != 0 || pp->acw != 0 || pp->ace != 0) {
gctl_error(req, "%s is open(r%dw%de%d)", gp->name,
pp->acr, pp->acw, pp->ace);
return;
return (EBUSY);
}
g_ccd_freesc(sc);
gp->softc = NULL;
g_wither_geom(gp, ENXIO);
return (0);
}
static void
@ -846,12 +845,15 @@ g_ccd_list(struct gctl_req *req, struct g_class *mp)
static void
g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb)
{
struct g_geom *gp;
g_topology_assert();
if (!strcmp(verb, "create geom")) {
g_ccd_create(req, mp);
} else if (!strcmp(verb, "destroy geom")) {
g_ccd_destroy(req, mp);
gp = gctl_get_geom(req, mp, "geom");
if (gp != NULL)
g_ccd_destroy_geom(req, mp, gp);
} else if (!strcmp(verb, "list")) {
g_ccd_list(req, mp);
} else {
@ -862,6 +864,7 @@ g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb)
static struct g_class g_ccd_class = {
.name = "CCD",
.ctlreq = g_ccd_config,
.destroy_geom = g_ccd_destroy_geom,
};
DECLARE_GEOM_CLASS(g_ccd_class, g_ccd);