[PATCH] kNFSd: Implement ip_map_request for upcalls

This is the first upcall to actually be coded.
A request will look like:
   nfsd 127.0.0.1

diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 0fea768a643575655c46eebda464e7e8ba1da9f4..32d4c3b34f6d3898d0ef20b8f39306206a0d1421 100644 (file)
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -116,11 +116,31 @@ static inline void ip_map_update(struct ip_map *new, struct ip_map *item)
        new->m_add_change = item->m_add_change;
 }
 
+static void ip_map_request(struct cache_detail *cd,
+                                 struct cache_head *h,
+                                 char **bpp, int *blen)
+{
+       char text_addr[20];
+       struct ip_map *im = container_of(h, struct ip_map, h);
+       __u32 addr = im->m_addr.s_addr;
+       
+       snprintf(text_addr, 20, "%u.%u.%u.%u",
+                ntohl(addr) >> 24 & 0xff,
+                ntohl(addr) >> 16 & 0xff,
+                ntohl(addr) >>  8 & 0xff,
+                ntohl(addr) >>  0 & 0xff);
+
+       add_word(bpp, blen, im->m_class);
+       add_word(bpp, blen, text_addr);
+       (*bpp)[-1] = '\n';
+}
+
 struct cache_detail ip_map_cache = {
        .hash_size      = IP_HASHMAX,
        .hash_table     = ip_table,
        .name           = "auth.unix.ip",
        .cache_put      = ip_map_put,
+       .cache_request  = ip_map_request,
 };
 
 static DefineSimpleCacheLookup(ip_map)