rds: remove dead code

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/net/rds/page.c b/net/rds/page.c
index e2b5a5832d3d52888f11e8730a27d937510e151d..7cc57e098ddb98e23bade37f2792e6c198c4ad5b 100644 (file)
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -45,35 +45,6 @@ struct rds_page_remainder {
 static
 DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_page_remainder, rds_page_remainders);
 
-/*
- * returns 0 on success or -errno on failure.
- *
- * We don't have to worry about flush_dcache_page() as this only works
- * with private pages.  If, say, we were to do directed receive to pinned
- * user pages we'd have to worry more about cache coherence.  (Though
- * the flush_dcache_page() in get_user_pages() would probably be enough).
- */
-int rds_page_copy_user(struct page *page, unsigned long offset,
-                      void __user *ptr, unsigned long bytes,
-                      int to_user)
-{
-       unsigned long ret;
-       void *addr;
-
-       addr = kmap(page);
-       if (to_user) {
-               rds_stats_add(s_copy_to_user, bytes);
-               ret = copy_to_user(ptr, addr + offset, bytes);
-       } else {
-               rds_stats_add(s_copy_from_user, bytes);
-               ret = copy_from_user(addr + offset, ptr, bytes);
-       }
-       kunmap(page);
-
-       return ret ? -EFAULT : 0;
-}
-EXPORT_SYMBOL_GPL(rds_page_copy_user);
-
 /**
  * rds_page_remainder_alloc - build up regions of a message.
  *

diff --git a/net/rds/rds.h b/net/rds/rds.h
index ebbf909b87ec3f62abec2573dcd55f4054138848..8635993066ae6e6161032634c51643dc25c4c866 100644 (file)
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -781,13 +781,6 @@ static inline int rds_message_verify_checksum(const struct rds_header *hdr)
 /* page.c */
 int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes,
                             gfp_t gfp);
-int rds_page_copy_user(struct page *page, unsigned long offset,
-                      void __user *ptr, unsigned long bytes,
-                      int to_user);
-#define rds_page_copy_to_user(page, offset, ptr, bytes) \
-       rds_page_copy_user(page, offset, ptr, bytes, 1)
-#define rds_page_copy_from_user(page, offset, ptr, bytes) \
-       rds_page_copy_user(page, offset, ptr, bytes, 0)
 void rds_page_exit(void);
 
 /* recv.c */