static int lsm_lmm_verify_common(struct lov_mds_md *lmm, int lmm_bytes,
__u16 stripe_count)
{
-
- if (stripe_count == 0 || stripe_count > LOV_V1_INSANE_STRIPE_COUNT) {
- CERROR("bad stripe count %d\n", stripe_count);
- lov_dump_lmm(D_WARNING, lmm);
- return -EINVAL;
- }
+ if (stripe_count > LOV_V1_INSANE_STRIPE_COUNT) {
+ CERROR("bad stripe count %d\n", stripe_count);
+ lov_dump_lmm_common(D_WARNING, lmm);
+ return -EINVAL;
+ }
if (lmm_oi_id(&lmm->lmm_oi) == 0) {
CERROR("zero object id\n");
- lov_dump_lmm(D_WARNING, lmm);
+ lov_dump_lmm_common(D_WARNING, lmm);
return -EINVAL;
}
- if (lmm->lmm_pattern != cpu_to_le32(LOV_PATTERN_RAID0)) {
- CERROR("bad striping pattern\n");
- lov_dump_lmm(D_WARNING, lmm);
- return -EINVAL;
- }
+ if (lov_pattern(le32_to_cpu(lmm->lmm_pattern)) != LOV_PATTERN_RAID0) {
+ CERROR("bad striping pattern\n");
+ lov_dump_lmm_common(D_WARNING, lmm);
+ return -EINVAL;
+ }
- if (lmm->lmm_stripe_size == 0 ||
- (le32_to_cpu(lmm->lmm_stripe_size)&(LOV_MIN_STRIPE_SIZE-1)) != 0) {
- CERROR("bad stripe size %u\n",
- le32_to_cpu(lmm->lmm_stripe_size));
- lov_dump_lmm(D_WARNING, lmm);
- return -EINVAL;
- }
- return 0;
+ if (lmm->lmm_stripe_size == 0 ||
+ (le32_to_cpu(lmm->lmm_stripe_size)&(LOV_MIN_STRIPE_SIZE-1)) != 0) {
+ CERROR("bad stripe size %u\n",
+ le32_to_cpu(lmm->lmm_stripe_size));
+ lov_dump_lmm_common(D_WARNING, lmm);
+ return -EINVAL;
+ }
+ return 0;
}
struct lov_stripe_md *lsm_alloc_plain(__u16 stripe_count, int *size)
return NULL;;
for (i = 0; i < stripe_count; i++) {
- OBD_SLAB_ALLOC_PTR_GFP(loi, lov_oinfo_slab, CFS_ALLOC_IO);
+ OBD_SLAB_ALLOC_PTR_GFP(loi, lov_oinfo_slab, __GFP_IO);
if (loi == NULL)
goto err;
lsm->lsm_oinfo[i] = loi;
static int lsm_lmm_verify_v1(struct lov_mds_md_v1 *lmm, int lmm_bytes,
__u16 *stripe_count)
{
- if (lmm_bytes < sizeof(*lmm)) {
- CERROR("lov_mds_md_v1 too small: %d, need at least %d\n",
- lmm_bytes, (int)sizeof(*lmm));
- return -EINVAL;
- }
+ if (lmm_bytes < sizeof(*lmm)) {
+ CERROR("lov_mds_md_v1 too small: %d, need at least %d\n",
+ lmm_bytes, (int)sizeof(*lmm));
+ return -EINVAL;
+ }
- *stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ *stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ if (le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
+ *stripe_count = 0;
- if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V1)) {
- CERROR("LOV EA V1 too small: %d, need %d\n",
- lmm_bytes, lov_mds_md_size(*stripe_count, LOV_MAGIC_V1));
- lov_dump_lmm_v1(D_WARNING, lmm);
- return -EINVAL;
- }
+ if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V1)) {
+ CERROR("LOV EA V1 too small: %d, need %d\n",
+ lmm_bytes, lov_mds_md_size(*stripe_count, LOV_MAGIC_V1));
+ lov_dump_lmm_common(D_WARNING, lmm);
+ return -EINVAL;
+ }
- return lsm_lmm_verify_common(lmm, lmm_bytes, *stripe_count);
+ return lsm_lmm_verify_common(lmm, lmm_bytes, *stripe_count);
}
int lsm_unpackmd_v1(struct lov_obd *lov, struct lov_stripe_md *lsm,
{
struct lov_oinfo *loi;
int i;
+ int stripe_count;
__u64 stripe_maxbytes = OBD_OBJECT_EOF;
lsm_unpackmd_common(lsm, lmm);
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ stripe_count = lsm_is_released(lsm) ? 0 : lsm->lsm_stripe_count;
+
+ 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);
&stripe_maxbytes);
}
- lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ 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;
+ return 0;
}
const struct lsm_operations lsm_v1_ops = {
static int lsm_lmm_verify_v3(struct lov_mds_md *lmmv1, int lmm_bytes,
__u16 *stripe_count)
{
- struct lov_mds_md_v3 *lmm;
+ struct lov_mds_md_v3 *lmm;
- lmm = (struct lov_mds_md_v3 *)lmmv1;
+ lmm = (struct lov_mds_md_v3 *)lmmv1;
- if (lmm_bytes < sizeof(*lmm)) {
- CERROR("lov_mds_md_v3 too small: %d, need at least %d\n",
- lmm_bytes, (int)sizeof(*lmm));
- return -EINVAL;
- }
+ if (lmm_bytes < sizeof(*lmm)) {
+ CERROR("lov_mds_md_v3 too small: %d, need at least %d\n",
+ lmm_bytes, (int)sizeof(*lmm));
+ return -EINVAL;
+ }
- *stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ *stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ if (le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
+ *stripe_count = 0;
- if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V3)) {
- CERROR("LOV EA V3 too small: %d, need %d\n",
- lmm_bytes, lov_mds_md_size(*stripe_count, LOV_MAGIC_V3));
- lov_dump_lmm_v3(D_WARNING, lmm);
- return -EINVAL;
- }
+ if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V3)) {
+ CERROR("LOV EA V3 too small: %d, need %d\n",
+ lmm_bytes, lov_mds_md_size(*stripe_count, LOV_MAGIC_V3));
+ lov_dump_lmm_common(D_WARNING, lmm);
+ return -EINVAL;
+ }
- return lsm_lmm_verify_common((struct lov_mds_md_v1 *)lmm, lmm_bytes,
- *stripe_count);
+ return lsm_lmm_verify_common((struct lov_mds_md_v1 *)lmm, lmm_bytes,
+ *stripe_count);
}
int lsm_unpackmd_v3(struct lov_obd *lov, struct lov_stripe_md *lsm,
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 < lsm->lsm_stripe_count; i++) {
+ 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);
&stripe_maxbytes);
}
- lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ 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;
+ return 0;
}
const struct lsm_operations lsm_v3_ops = {