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MFC r200940:

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As soon as geom_raid3 reports it's own stripe as sector size, report largest
underlying provider's stripe, multiplied by number of data disks in array,
due to transformation done, as array stripe.
This commit is contained in:
Alexander Motin 2010-01-05 13:49:18 +00:00
parent c730493bbf
commit 3bda9adcd9
1 changed files with 14 additions and 0 deletions
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14
sys/geom/raid3/g_raid3.c
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@ -2317,6 +2317,8 @@ static void
g_raid3_launch_provider(struct g_raid3_softc *sc)
{
struct g_provider *pp;
struct g_raid3_disk *disk;
int n;
sx_assert(&sc->sc_lock, SX_LOCKED);
@ -2324,6 +2326,18 @@ g_raid3_launch_provider(struct g_raid3_softc *sc)
pp = g_new_providerf(sc->sc_geom, "raid3/%s", sc->sc_name);
pp->mediasize = sc->sc_mediasize;
pp->sectorsize = sc->sc_sectorsize;
pp->stripesize = 0;
pp->stripeoffset = 0;
for (n = 0; n < sc->sc_ndisks; n++) {
disk = &sc->sc_disks[n];
if (disk->d_consumer && disk->d_consumer->provider &&
disk->d_consumer->provider->stripesize > pp->stripesize) {
pp->stripesize = disk->d_consumer->provider->stripesize;
pp->stripeoffset = disk->d_consumer->provider->stripeoffset;
}
}
pp->stripesize *= sc->sc_ndisks - 1;
pp->stripeoffset *= sc->sc_ndisks - 1;
sc->sc_provider = pp;
g_error_provider(pp, 0);
g_topology_unlock();