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Before root file system is mounted, wait for mirrors in degraded state.

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This commit is contained in:
Pawel Jakub Dawidek 2004-10-05 11:17:08 +00:00
parent b3a4fb14b3
commit 59883b3b34
1 changed files with 41 additions and 0 deletions
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41
sys/geom/mirror/g_mirror.c
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@ -1907,6 +1907,7 @@ g_mirror_update_device(struct g_mirror_softc *sc, boolean_t force)
G_MIRROR_BUMP_ON_FIRST_WRITE;
}
}
wakeup(&g_mirror_class);
break;
}
case G_MIRROR_DEVICE_STATE_RUNNING:
@ -2685,4 +2686,44 @@ g_mirror_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp,
}
}
static int
g_mirror_can_go(void)
{
struct g_mirror_softc *sc;
struct g_geom *gp;
struct g_provider *pp;
int can_go;
DROP_GIANT();
can_go = 1;
g_topology_lock();
LIST_FOREACH(gp, &g_mirror_class.geom, geom) {
sc = gp->softc;
pp = sc->sc_provider;
if (pp == NULL || pp->error != 0) {
can_go = 0;
break;
}
}
g_topology_unlock();
PICKUP_GIANT();
return (can_go);
}
static void
g_mirror_rootwait(void)
{
/*
* Wait for mirrors in degraded state.
*/
for (;;) {
if (g_mirror_can_go())
break;
tsleep(&g_mirror_class, PRIBIO, "mroot", hz);
}
}
SYSINIT(g_mirror_root, SI_SUB_RAID, SI_ORDER_FIRST, g_mirror_rootwait, NULL)
DECLARE_GEOM_CLASS(g_mirror_class, g_mirror);