Exemple #1
0
/* copied from lov/lov_ea.c, just for debugging, will be removed later */
void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid)
{
	const struct lov_ost_data_v1	*lod;
	int				 i;
	__u16				 count;

	if (likely(!cfs_cdebug_show(level, DEBUG_SUBSYSTEM)))
		return;

	count = le16_to_cpu(((struct lov_user_md *)lmm)->lmm_stripe_count);

	CDEBUG(level, "objid "DOSTID", magic 0x%08X, pattern %#X\n",
	       POSTID(&lmm->lmm_oi), le32_to_cpu(lmm->lmm_magic),
	       le32_to_cpu(lmm->lmm_pattern));
	CDEBUG(level, "stripe_size=0x%x, stripe_count=0x%x\n",
	       le32_to_cpu(lmm->lmm_stripe_size), count);

	/* If it's a directory or a released file, then there are
	 * no actual objects to print, so bail out. */
	if (valid & OBD_MD_FLDIREA ||
	    le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
		return;

	LASSERT(count <= LOV_MAX_STRIPE_COUNT);
	for (i = 0, lod = lmm->lmm_objects; i < count; i++, lod++) {
		struct ost_id oi;

		ostid_le_to_cpu(&lod->l_ost_oi, &oi);
		CDEBUG(level, "stripe %u idx %u subobj "DOSTID"\n",
		       i, le32_to_cpu(lod->l_ost_idx), POSTID(&oi));
	}
}
Exemple #2
0
int lsm_unpackmd_v1(struct lov_obd *lov, struct lov_stripe_md *lsm,
		    struct lov_mds_md_v1 *lmm)
{
	struct lov_oinfo *loi;
	int i;
	__u64 stripe_maxbytes = OBD_OBJECT_EOF;

	lsm_unpackmd_common(lsm, lmm);

	for (i = 0; i < lsm->lsm_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 (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_v1(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_v1(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;

	return 0;
}
Exemple #3
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;
}
static void lov_dump_lmm_objects(int level, struct lov_ost_data *lod,
				 int stripe_count)
{
	int i;

	if (stripe_count > LOV_V1_INSANE_STRIPE_COUNT) {
		CDEBUG(level, "bad stripe_count %u > max_stripe_count %u\n",
		       stripe_count, LOV_V1_INSANE_STRIPE_COUNT);
		return;
	}

	for (i = 0; i < stripe_count; ++i, ++lod) {
		struct ost_id oi;

		ostid_le_to_cpu(&lod->l_ost_oi, &oi);
		CDEBUG(level, "stripe %u idx %u subobj "DOSTID"\n", i,
		       le32_to_cpu(lod->l_ost_idx), POSTID(&oi));
	}
}
/* copied from lov/lov_ea.c, just for debugging, will be removed later */
void mdt_dump_lmm(int level, const struct lov_mds_md *lmm)
{
        const struct lov_ost_data_v1 *lod;
        int                           i;
        __u16                         count;

        count = le16_to_cpu(((struct lov_user_md*)lmm)->lmm_stripe_count);

	CDEBUG(level, "objid "DOSTID", magic 0x%08X, pattern %#X\n",
	       POSTID(&lmm->lmm_oi), le32_to_cpu(lmm->lmm_magic),
	       le32_to_cpu(lmm->lmm_pattern));
        CDEBUG(level,"stripe_size=0x%x, stripe_count=0x%x\n",
               le32_to_cpu(lmm->lmm_stripe_size), count);
        if (count == LOV_ALL_STRIPES)
                return;

	LASSERT(count <= LOV_MAX_STRIPE_COUNT);
	for (i = 0, lod = lmm->lmm_objects; i < count; i++, lod++) {
		struct ost_id	oi;
		ostid_le_to_cpu((struct ost_id *)&lod->l_ost_oi, &oi);
		CDEBUG(level, "stripe %u idx %u subobj "DOSTID"\n",
		       i, le32_to_cpu(lod->l_ost_idx), POSTID(&oi));
	}
}
Exemple #6
0
static int lsm_unpackmd_common(struct lov_obd *lov,
			       struct lov_stripe_md *lsm,
			       struct lov_mds_md *lmm,
			       struct lov_ost_data_v1 *objects)
{
	struct lov_oinfo *loi;
	loff_t stripe_maxbytes = LLONG_MAX;
	unsigned int stripe_count;
	unsigned int i;

	/*
	 * This supposes lov_mds_md_v1/v3 first fields are
	 * are the same
	 */
	lmm_oi_le_to_cpu(&lsm->lsm_oi, &lmm->lmm_oi);
	lsm->lsm_stripe_size = le32_to_cpu(lmm->lmm_stripe_size);
	lsm->lsm_pattern = le32_to_cpu(lmm->lmm_pattern);
	lsm->lsm_layout_gen = le16_to_cpu(lmm->lmm_layout_gen);
	lsm->lsm_pool_name[0] = '\0';

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

	for (i = 0; i < stripe_count; i++) {
		loi = lsm->lsm_oinfo[i];
		ostid_le_to_cpu(&objects[i].l_ost_oi, &loi->loi_oi);
		loi->loi_ost_idx = le32_to_cpu(objects[i].l_ost_idx);
		loi->loi_ost_gen = le32_to_cpu(objects[i].l_ost_gen);
		if (lov_oinfo_is_dummy(loi))
			continue;

		if (loi->loi_ost_idx >= lov->desc.ld_tgt_count &&
		    !lov2obd(lov)->obd_process_conf) {
			CERROR("%s: OST index %d more than OST count %d\n",
			       (char*)lov->desc.ld_uuid.uuid,
			       loi->loi_ost_idx, lov->desc.ld_tgt_count);
			lov_dump_lmm_v1(D_WARNING, lmm);
			return -EINVAL;
		}

		if (lov->lov_tgts[loi->loi_ost_idx] == NULL) {
			CERROR("%s: OST index %d missing\n",
			       (char*)lov->desc.ld_uuid.uuid, loi->loi_ost_idx);
			lov_dump_lmm_v1(D_WARNING, lmm);
			continue;
		}

		stripe_maxbytes = min_t(loff_t, stripe_maxbytes,
					lov_tgt_maxbytes(
					lov->lov_tgts[loi->loi_ost_idx]));
	}

	if (stripe_maxbytes == LLONG_MAX)
		stripe_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES;

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

	return 0;
}