LU-13004 net: discard LNET_MD_IOVEC

[fs/lustre-release.git] / lnet / lnet / lib-md.c

diff --git a/lnet/lnet/lib-md.c b/lnet/lnet/lib-md.c
index b7b0939..46b9c5c 100644 (file)
--- a/lnet/lnet/lib-md.c
+++ b/lnet/lnet/lib-md.c
@@ -208,31 +208,7 @@ lnet_md_build(struct lnet_libmd *lmd, struct lnet_md *umd, int unlink)
        lmd->md_flags = (unlink == LNET_UNLINK) ? LNET_MD_FLAG_AUTO_UNLINK : 0;
        lmd->md_bulk_handle = umd->bulk_handle;
 
-       if ((umd->options & LNET_MD_IOVEC) != 0) {
-
-               if ((umd->options & LNET_MD_KIOV) != 0) /* Can't specify both */
-                       return -EINVAL;
-
-               lmd->md_niov = niov = umd->length;
-               memcpy(lmd->md_iov.iov, umd->start,
-                      niov * sizeof(lmd->md_iov.iov[0]));
-
-               for (i = 0; i < (int)niov; i++) {
-                       /* We take the base address on trust */
-                       if (lmd->md_iov.iov[i].iov_len <= 0) /* invalid length */
-                               return -EINVAL;
-
-                       total_length += lmd->md_iov.iov[i].iov_len;
-               }
-
-               lmd->md_length = total_length;
-
-               if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
-                   (umd->max_size < 0 ||
-                    umd->max_size > total_length)) // illegal max_size
-                       return -EINVAL;
-
-       } else if ((umd->options & LNET_MD_KIOV) != 0) {
+       if ((umd->options & LNET_MD_KIOV) != 0) {
                lmd->md_niov = niov = umd->length;
                memcpy(lmd->md_iov.kiov, umd->start,
                       niov * sizeof(lmd->md_iov.kiov[0]));
@@ -308,7 +284,7 @@ lnet_md_deconstruct(struct lnet_libmd *lmd, struct lnet_md *umd)
         * and that's all.
         */
        umd->start = lmd->md_start;
-       umd->length = ((lmd->md_options & (LNET_MD_IOVEC | LNET_MD_KIOV)) == 0) ?
+       umd->length = ((lmd->md_options & LNET_MD_KIOV) == 0) ?
                      lmd->md_length : lmd->md_niov;
        umd->threshold = lmd->md_threshold;
        umd->max_size = lmd->md_max_size;
@@ -325,7 +301,7 @@ lnet_md_validate(struct lnet_md *umd)
                return -EINVAL;
        }
 
-       if ((umd->options & (LNET_MD_KIOV | LNET_MD_IOVEC)) != 0 &&
+       if ((umd->options & LNET_MD_KIOV) &&
            umd->length > LNET_MAX_IOV) {
                CERROR("Invalid option: too many fragments %u, %d max\n",
                       umd->length, LNET_MAX_IOV);