LU-13004 lnet: remove lnet_extract_iov()

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

diff --git a/lnet/lnet/lib-move.c b/lnet/lnet/lib-move.c
index cefc4b6..30f0d71 100644 (file)
--- a/lnet/lnet/lib-move.c
+++ b/lnet/lnet/lib-move.c
@@ -338,54 +338,6 @@ lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset,
 }
 EXPORT_SYMBOL(lnet_copy_iov2iov);
 
-int
-lnet_extract_iov(int dst_niov, struct kvec *dst,
-                int src_niov, struct kvec *src,
-                unsigned int offset, unsigned int len)
-{
-       /* Initialise 'dst' to the subset of 'src' starting at 'offset',
-        * for exactly 'len' bytes, and return the number of entries.
-        * NB not destructive to 'src' */
-       unsigned int    frag_len;
-       unsigned int    niov;
-
-       if (len == 0)                           /* no data => */
-               return (0);                     /* no frags */
-
-       LASSERT(src_niov > 0);
-       while (offset >= src->iov_len) {      /* skip initial frags */
-               offset -= src->iov_len;
-               src_niov--;
-               src++;
-               LASSERT(src_niov > 0);
-       }
-
-       niov = 1;
-       for (;;) {
-               LASSERT(src_niov > 0);
-               LASSERT((int)niov <= dst_niov);
-
-               frag_len = src->iov_len - offset;
-               dst->iov_base = ((char *)src->iov_base) + offset;
-
-               if (len <= frag_len) {
-                       dst->iov_len = len;
-                       return (niov);
-               }
-
-               dst->iov_len = frag_len;
-
-               len -= frag_len;
-               dst++;
-               src++;
-               niov++;
-               src_niov--;
-               offset = 0;
-       }
-}
-EXPORT_SYMBOL(lnet_extract_iov);
-
-
 unsigned int
 lnet_kiov_nob(unsigned int niov, struct bio_vec *kiov)
 {