[PATCH] RPC: extract socket logic common to both client and server

 Clean-up: Move some code that is common to both RPC client- and server-side
 socket transports into its own source file, net/sunrpc/socklib.c.

 Test-plan:
 Compile kernel with CONFIG_NFS enabled.  Millions of fsx operations over
 UDP, client and server.  Connectathon over UDP.

 Version: Thu, 11 Aug 2005 16:03:09 -0400

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 0 insertions, 75 deletions

diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index fde16f4..9cc12ae 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -176,81 +176,6 @@ xdr_inline_pages(struct xdr_buf *xdr, unsigned int offset,
 	xdr->buflen += len;
 }
 
-ssize_t
-xdr_partial_copy_from_skb(struct xdr_buf *xdr, unsigned int base,
-			  skb_reader_t *desc,
-			  skb_read_actor_t copy_actor)
-{
-	struct page	**ppage = xdr->pages;
-	unsigned int	len, pglen = xdr->page_len;
-	ssize_t		copied = 0;
-	int		ret;
-
-	len = xdr->head[0].iov_len;
-	if (base < len) {
-		len -= base;
-		ret = copy_actor(desc, (char *)xdr->head[0].iov_base + base, len);
-		copied += ret;
-		if (ret != len || !desc->count)
-			goto out;
-		base = 0;
-	} else
-		base -= len;
-
-	if (pglen == 0)
-		goto copy_tail;
-	if (base >= pglen) {
-		base -= pglen;
-		goto copy_tail;
-	}
-	if (base || xdr->page_base) {
-		pglen -= base;
-		base  += xdr->page_base;
-		ppage += base >> PAGE_CACHE_SHIFT;
-		base &= ~PAGE_CACHE_MASK;
-	}
-	do {
-		char *kaddr;
-
-		/* ACL likes to be lazy in allocating pages - ACLs
-		 * are small by default but can get huge. */
-		if (unlikely(*ppage == NULL)) {
-			*ppage = alloc_page(GFP_ATOMIC);
-			if (unlikely(*ppage == NULL)) {
-				if (copied == 0)
-					copied = -ENOMEM;
-				goto out;
-			}
-		}
-
-		len = PAGE_CACHE_SIZE;
-		kaddr = kmap_atomic(*ppage, KM_SKB_SUNRPC_DATA);
-		if (base) {
-			len -= base;
-			if (pglen < len)
-				len = pglen;
-			ret = copy_actor(desc, kaddr + base, len);
-			base = 0;
-		} else {
-			if (pglen < len)
-				len = pglen;
-			ret = copy_actor(desc, kaddr, len);
-		}
-		flush_dcache_page(*ppage);
-		kunmap_atomic(kaddr, KM_SKB_SUNRPC_DATA);
-		copied += ret;
-		if (ret != len || !desc->count)
-			goto out;
-		ppage++;
-	} while ((pglen -= len) != 0);
-copy_tail:
-	len = xdr->tail[0].iov_len;
-	if (base < len)
-		copied += copy_actor(desc, (char *)xdr->tail[0].iov_base + base, len - base);
-out:
-	return copied;
-}
-
 
 int
 xdr_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen,