Esempio n. 1
0
static int lsm_unpackmd_v3(struct lov_obd *lov, struct lov_stripe_md *lsm,
			   struct lov_mds_md *lmmv1)
{
	struct lov_mds_md_v3 *lmm;
	struct lov_oinfo *loi;
	int i;
	int stripe_count;
	__u64 stripe_maxbytes = OBD_OBJECT_EOF;
	int cplen = 0;

	lmm = (struct lov_mds_md_v3 *)lmmv1;

	lsm_unpackmd_common(lsm, (struct lov_mds_md_v1 *)lmm);

	stripe_count = lsm_is_released(lsm) ? 0 : lsm->lsm_stripe_count;

	cplen = strlcpy(lsm->lsm_pool_name, lmm->lmm_pool_name,
			sizeof(lsm->lsm_pool_name));
	if (cplen >= sizeof(lsm->lsm_pool_name))
		return -E2BIG;

	for (i = 0; i < stripe_count; i++) {
		/* XXX LOV STACKING call down to osc_unpackmd() */
		loi = lsm->lsm_oinfo[i];
		ostid_le_to_cpu(&lmm->lmm_objects[i].l_ost_oi, &loi->loi_oi);
		loi->loi_ost_idx = le32_to_cpu(lmm->lmm_objects[i].l_ost_idx);
		loi->loi_ost_gen = le32_to_cpu(lmm->lmm_objects[i].l_ost_gen);
		if (lov_oinfo_is_dummy(loi))
			continue;

		if (loi->loi_ost_idx >= lov->desc.ld_tgt_count) {
			CERROR("OST index %d more than OST count %d\n",
			       loi->loi_ost_idx, lov->desc.ld_tgt_count);
			lov_dump_lmm_v3(D_WARNING, lmm);
			return -EINVAL;
		}
		if (!lov->lov_tgts[loi->loi_ost_idx]) {
			CERROR("OST index %d missing\n", loi->loi_ost_idx);
			lov_dump_lmm_v3(D_WARNING, lmm);
			return -EINVAL;
		}
		/* calculate the minimum stripe max bytes */
		lov_tgt_maxbytes(lov->lov_tgts[loi->loi_ost_idx],
				 &stripe_maxbytes);
	}

	lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
	if (lsm->lsm_stripe_count == 0)
		lsm->lsm_maxbytes = stripe_maxbytes * lov->desc.ld_tgt_count;

	return 0;
}
Esempio n. 2
0
void lov_dump_lmm(int level, void *lmm)
{
    int magic;

    magic = ((struct lov_mds_md_v1 *)(lmm))->lmm_magic;
    switch (magic) {
    case LOV_MAGIC_V1:
        return lov_dump_lmm_v1(level, (struct lov_mds_md_v1 *)(lmm));
    case LOV_MAGIC_V3:
        return lov_dump_lmm_v3(level, (struct lov_mds_md_v3 *)(lmm));
    default:
        CERROR("Cannot recognize lmm_magic %x", magic);
    }
    return;
}
Esempio n. 3
0
void lov_dump_lmm(int level, void *lmm)
{
	int magic;

	magic = le32_to_cpu(((struct lov_mds_md *)lmm)->lmm_magic);
	switch (magic) {
	case LOV_MAGIC_V1:
		lov_dump_lmm_v1(level, (struct lov_mds_md_v1 *)lmm);
		break;
	case LOV_MAGIC_V3:
		lov_dump_lmm_v3(level, (struct lov_mds_md_v3 *)lmm);
		break;
	default:
		CDEBUG(level, "unrecognized lmm_magic %x, assuming %x\n",
		       magic, LOV_MAGIC_V1);
		lov_dump_lmm_common(level, lmm);
		break;
	}
}