* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
return 0;
}
-struct lov_stripe_md *lsm_alloc_plain(__u16 stripe_count, int *size)
+struct lov_stripe_md *lsm_alloc_plain(u16 stripe_count)
{
struct lov_stripe_md *lsm;
struct lov_oinfo *loi;
- int i, oinfo_ptrs_size;
+ size_t lsm_size;
+ size_t oinfo_ptrs_size;
+ int i;
LASSERT(stripe_count <= LOV_MAX_STRIPE_COUNT);
oinfo_ptrs_size = sizeof(struct lov_oinfo *) * stripe_count;
- *size = sizeof(struct lov_stripe_md) + oinfo_ptrs_size;
+ lsm_size = sizeof(*lsm) + oinfo_ptrs_size;
- OBD_ALLOC_LARGE(lsm, *size);
+ OBD_ALLOC_LARGE(lsm, lsm_size);
if (!lsm)
return NULL;
err:
while (--i >= 0)
OBD_SLAB_FREE(lsm->lsm_oinfo[i], lov_oinfo_slab, sizeof(*loi));
- OBD_FREE_LARGE(lsm, *size);
+
+ OBD_FREE_LARGE(lsm, lsm_size);
+
return NULL;
}
void lsm_free_plain(struct lov_stripe_md *lsm)
{
- __u16 stripe_count = lsm->lsm_stripe_count;
- int i;
-
- for (i = 0; i < stripe_count; i++)
- OBD_SLAB_FREE(lsm->lsm_oinfo[i], lov_oinfo_slab,
- sizeof(struct lov_oinfo));
- OBD_FREE_LARGE(lsm, sizeof(struct lov_stripe_md) +
- stripe_count * sizeof(struct lov_oinfo *));
+ __u16 stripe_count = lsm->lsm_stripe_count;
+ int i;
+
+ for (i = 0; i < stripe_count; i++)
+ OBD_SLAB_FREE(lsm->lsm_oinfo[i], lov_oinfo_slab,
+ sizeof(struct lov_oinfo));
+ OBD_FREE_LARGE(lsm, sizeof(struct lov_stripe_md) +
+ stripe_count * sizeof(struct lov_oinfo *));
}
/* Find minimum stripe maxbytes value. For inactive or
struct lov_ost_data_v1 *objects)
{
struct lov_oinfo *loi;
- loff_t stripe_maxbytes = LLONG_MAX;
+ loff_t min_stripe_maxbytes = 0;
+ loff_t lov_bytes;
unsigned int stripe_count;
unsigned int i;
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",
+ 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]) {
- CERROR("OST index %d missing\n", loi->loi_ost_idx);
+ 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);
- return -EINVAL;
+ continue;
}
- stripe_maxbytes = min_t(loff_t, stripe_maxbytes,
- lov_tgt_maxbytes(
- lov->lov_tgts[loi->loi_ost_idx]));
+ lov_bytes = lov_tgt_maxbytes(lov->lov_tgts[loi->loi_ost_idx]);
+ if (min_stripe_maxbytes == 0 || lov_bytes < min_stripe_maxbytes)
+ min_stripe_maxbytes = lov_bytes;
}
- if (stripe_maxbytes == LLONG_MAX)
- stripe_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES;
+ if (min_stripe_maxbytes == 0)
+ min_stripe_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES;
+
+ stripe_count = lsm->lsm_stripe_count ?: lov->desc.ld_tgt_count;
+ lov_bytes = min_stripe_maxbytes * stripe_count;
- if (lsm->lsm_stripe_count == 0)
- lsm->lsm_maxbytes = stripe_maxbytes * lov->desc.ld_tgt_count;
+ if (lov_bytes < min_stripe_maxbytes) /* handle overflow */
+ lsm->lsm_maxbytes = MAX_LFS_FILESIZE;
else
- lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ lsm->lsm_maxbytes = lov_bytes;
return 0;
}