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Differential D27225 Diff 79692 sys/geom/raid3/g_raid3.c

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sys/geom/raid3/g_raid3.c

Show First 20 Lines • Show All 1,717 Lines • ▼ Show 20 Lines if (sync->ds_offset == sc->sc_mediasize / (sc->sc_ndisks - 1) ||
return; return;
} }
/* Send next synchronization request. */ /* Send next synchronization request. */
data = bp->bio_data; data = bp->bio_data;
g_reset_bio(bp); g_reset_bio(bp);
bp->bio_cmd = BIO_READ; bp->bio_cmd = BIO_READ;
bp->bio_offset = sync->ds_offset * (sc->sc_ndisks - 1); bp->bio_offset = sync->ds_offset * (sc->sc_ndisks - 1);
bp->bio_length = MIN(MAXPHYS, sc->sc_mediasize - bp->bio_offset); bp->bio_length = MIN(maxphys, sc->sc_mediasize - bp->bio_offset);
sync->ds_offset += bp->bio_length / (sc->sc_ndisks - 1); sync->ds_offset += bp->bio_length / (sc->sc_ndisks - 1);
bp->bio_done = g_raid3_sync_done; bp->bio_done = g_raid3_sync_done;
bp->bio_data = data; bp->bio_data = data;
bp->bio_from = sync->ds_consumer; bp->bio_from = sync->ds_consumer;
bp->bio_to = sc->sc_provider; bp->bio_to = sc->sc_provider;
G_RAID3_LOGREQ(3, bp, "Sending synchronization request."); G_RAID3_LOGREQ(3, bp, "Sending synchronization request.");
sync->ds_consumer->index++; sync->ds_consumer->index++;
/* /*
Show All 12 Lines case BIO_WRITE:
for (i = 0; i < g_raid3_syncreqs; i++) { for (i = 0; i < g_raid3_syncreqs; i++) {
bp = sync->ds_bios[i]; bp = sync->ds_bios[i];
boffset = bp->bio_offset; boffset = bp->bio_offset;
if (bp->bio_cmd == BIO_WRITE) if (bp->bio_cmd == BIO_WRITE)
boffset *= sc->sc_ndisks - 1; boffset *= sc->sc_ndisks - 1;
if (boffset < moffset) if (boffset < moffset)
moffset = boffset; moffset = boffset;
} }
if (sync->ds_offset_done + (MAXPHYS * 100) < moffset) { if (sync->ds_offset_done + maxphys * 100 < moffset) {
/* Update offset_done on every 100 blocks. */ /* Update offset_done on every 100 blocks. */
sync->ds_offset_done = moffset; sync->ds_offset_done = moffset;
g_raid3_update_metadata(disk); g_raid3_update_metadata(disk);
} }
return; return;
} }
default: default:
KASSERT(1 == 0, ("Invalid command here: %u (device=%s)", KASSERT(1 == 0, ("Invalid command here: %u (device=%s)",
▲ Show 20 Lines • Show All 472 Lines • ▼ Show 20 Linesg_raid3_sync_start(struct g_raid3_softc *sc)
*/ */
disk->d_sync.ds_bios = malloc(sizeof(struct bio *) * g_raid3_syncreqs, disk->d_sync.ds_bios = malloc(sizeof(struct bio *) * g_raid3_syncreqs,
M_RAID3, M_WAITOK); M_RAID3, M_WAITOK);
for (n = 0; n < g_raid3_syncreqs; n++) { for (n = 0; n < g_raid3_syncreqs; n++) {
bp = g_alloc_bio(); bp = g_alloc_bio();
disk->d_sync.ds_bios[n] = bp; disk->d_sync.ds_bios[n] = bp;
bp->bio_parent = NULL; bp->bio_parent = NULL;
bp->bio_cmd = BIO_READ; bp->bio_cmd = BIO_READ;
bp->bio_data = malloc(MAXPHYS, M_RAID3, M_WAITOK); bp->bio_data = malloc(maxphys, M_RAID3, M_WAITOK);
bp->bio_cflags = 0; bp->bio_cflags = 0;
bp->bio_offset = disk->d_sync.ds_offset * (sc->sc_ndisks - 1); bp->bio_offset = disk->d_sync.ds_offset * (sc->sc_ndisks - 1);
bp->bio_length = MIN(MAXPHYS, sc->sc_mediasize - bp->bio_offset); bp->bio_length = MIN(maxphys, sc->sc_mediasize - bp->bio_offset);
disk->d_sync.ds_offset += bp->bio_length / (sc->sc_ndisks - 1); disk->d_sync.ds_offset += bp->bio_length / (sc->sc_ndisks - 1);
bp->bio_done = g_raid3_sync_done; bp->bio_done = g_raid3_sync_done;
bp->bio_from = disk->d_sync.ds_consumer; bp->bio_from = disk->d_sync.ds_consumer;
bp->bio_to = sc->sc_provider; bp->bio_to = sc->sc_provider;
bp->bio_caller1 = (void *)(uintptr_t)n; bp->bio_caller1 = (void *)(uintptr_t)n;
} }
/* Set the number of in-flight synchronization requests. */ /* Set the number of in-flight synchronization requests. */
▲ Show 20 Lines • Show All 648 Lines • ▼ Show 20 Lines G_RAID3_DEBUG(0,
cp->provider->name); cp->provider->name);
return (EINVAL); return (EINVAL);
} }
if (error != 0) { if (error != 0) {
G_RAID3_DEBUG(1, "MD5 metadata hash mismatch for provider %s.", G_RAID3_DEBUG(1, "MD5 metadata hash mismatch for provider %s.",
cp->provider->name); cp->provider->name);
return (error); return (error);
} }
if (md->md_sectorsize > MAXPHYS) { if (md->md_sectorsize > maxphys) {
G_RAID3_DEBUG(0, "The blocksize is too big."); G_RAID3_DEBUG(0, "The blocksize is too big.");
return (EINVAL); return (EINVAL);
} }
return (0); return (0);
} }
static int static int
▲ Show 20 Lines • Show All 669 Lines • Show Last 20 Lines