void ptlrpc_fill_bulk_md(struct lnet_md *md, struct ptlrpc_bulk_desc *desc,
int mdidx)
{
+ unsigned int start = desc->bd_mds_off[mdidx];
+
BUILD_BUG_ON(PTLRPC_MAX_BRW_PAGES >= LI_POISON);
LASSERT(mdidx < desc->bd_md_max_brw);
LASSERT(desc->bd_iov_count <= PTLRPC_MAX_BRW_PAGES);
- LASSERT(!(md->options & (LNET_MD_IOVEC | LNET_MD_KIOV |
- LNET_MD_PHYS)));
-
- md->length = max(0, desc->bd_iov_count - mdidx * LNET_MAX_IOV);
- md->length = min_t(unsigned int, LNET_MAX_IOV, md->length);
- if (ptlrpc_is_bulk_desc_kiov(desc->bd_type)) {
+ /* just send a lnet header */
+ if (mdidx >= desc->bd_md_count) {
md->options |= LNET_MD_KIOV;
- if (GET_ENC_KIOV(desc))
- md->start = &BD_GET_ENC_KIOV(desc, mdidx *
- LNET_MAX_IOV);
- else
- md->start = &BD_GET_KIOV(desc, mdidx * LNET_MAX_IOV);
- } else if (ptlrpc_is_bulk_desc_kvec(desc->bd_type)) {
- md->options |= LNET_MD_IOVEC;
- if (GET_ENC_KVEC(desc))
- md->start = &BD_GET_ENC_KVEC(desc, mdidx *
- LNET_MAX_IOV);
- else
- md->start = &BD_GET_KVEC(desc, mdidx * LNET_MAX_IOV);
+ md->length = 0;
+ md->start = NULL;
+ return;
}
+
+ if (mdidx == (desc->bd_md_count - 1))
+ md->length = desc->bd_iov_count - start;
+ else
+ md->length = desc->bd_mds_off[mdidx + 1] - start;
+
+ md->options |= LNET_MD_KIOV;
+ if (desc->bd_enc_vec)
+ md->start = &desc->bd_enc_vec[start];
+ else
+ md->start = &desc->bd_vec[start];
}