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Mark raid3 devices as clean on shutdown (after all file systems are

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unmounted).

Suggested by:	scottl
This commit is contained in:
Pawel Jakub Dawidek 2004-11-05 13:01:25 +00:00
parent 79e614937e
commit 9da3072cae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=137257
1 changed files with 52 additions and 3 deletions
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55
sys/geom/raid3/g_raid3.c
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@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
#include <sys/bio.h>
#include <sys/sysctl.h>
#include <sys/malloc.h>
#include <sys/eventhandler.h>
#include <vm/uma.h>
#include <machine/atomic.h>
#include <geom/geom.h>
@ -108,17 +109,22 @@ SYSCTL_UINT(_kern_geom_raid3_stat, OID_AUTO, 4k_failed, CTLFLAG_RD,
G_RAID3_DEBUG(4, "%s: Woken up %p.", __func__, (ident)); \
} while (0)
static eventhandler_tag g_raid3_ehtag = NULL;
static int g_raid3_destroy_geom(struct gctl_req *req, struct g_class *mp,
struct g_geom *gp);
static g_taste_t g_raid3_taste;
static void g_raid3_init(struct g_class *mp);
static void g_raid3_fini(struct g_class *mp);
struct g_class g_raid3_class = {
.name = G_RAID3_CLASS_NAME,
.version = G_VERSION,
.ctlreq = g_raid3_config,
.taste = g_raid3_taste,
.destroy_geom = g_raid3_destroy_geom
.destroy_geom = g_raid3_destroy_geom,
.init = g_raid3_init,
.fini = g_raid3_fini
};
@ -512,6 +518,7 @@ static void
g_raid3_destroy_device(struct g_raid3_softc *sc)
{
struct g_raid3_event *ep;
struct g_raid3_disk *disk;
struct g_geom *gp;
struct g_consumer *cp;
u_int n;
@ -521,8 +528,12 @@ g_raid3_destroy_device(struct g_raid3_softc *sc)
gp = sc->sc_geom;
if (sc->sc_provider != NULL)
g_raid3_destroy_provider(sc);
for (n = 0; n < sc->sc_ndisks; n++)
g_raid3_destroy_disk(&sc->sc_disks[n]);
for (n = 0; n < sc->sc_ndisks; n++) {
disk = &sc->sc_disks[n];
disk->d_flags &= ~G_RAID3_DISK_FLAG_DIRTY;
g_raid3_update_metadata(disk);
g_raid3_destroy_disk(disk);
}
while ((ep = g_raid3_event_get(sc)) != NULL) {
if ((ep->e_flags & G_RAID3_EVENT_DONTWAIT) != 0)
g_raid3_event_free(ep);
@ -2913,4 +2924,42 @@ g_raid3_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp,
}
}
static void
g_raid3_shutdown(void *arg, int howto)
{
struct g_class *mp;
struct g_geom *gp, *gp2;
mp = arg;
g_topology_lock();
LIST_FOREACH_SAFE(gp, &mp->geom, geom, gp2) {
if (gp->softc == NULL)
continue;
g_raid3_destroy(gp->softc, 1);
}
g_topology_unlock();
#if 0
tsleep(&gp, PRIBIO, "r3:shutdown", hz * 20);
#endif
}
static void
g_raid3_init(struct g_class *mp)
{
g_raid3_ehtag = EVENTHANDLER_REGISTER(shutdown_post_sync,
g_raid3_shutdown, mp, SHUTDOWN_PRI_FIRST);
if (g_raid3_ehtag == NULL)
G_RAID3_DEBUG(0, "Warning! Cannot register shutdown event.");
}
static void
g_raid3_fini(struct g_class *mp)
{
if (g_raid3_ehtag == NULL)
return;
EVENTHANDLER_DEREGISTER(shutdown_post_sync, g_raid3_ehtag);
}
DECLARE_GEOM_CLASS(g_raid3_class, g_raid3);