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SUNRPC: Replace svc_addr_u by sockaddr_storage

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For IPv6 local address, lockd can not callback to client for
missing scope id when binding address at inet6_bind:

 324       if (addr_type & IPV6_ADDR_LINKLOCAL) {
 325               if (addr_len >= sizeof(struct sockaddr_in6) &&
 326                   addr->sin6_scope_id) {
 327                       /* Override any existing binding, if another one
 328                        * is supplied by user.
 329                        */
 330                       sk->sk_bound_dev_if = addr->sin6_scope_id;
 331               }
 332
 333               /* Binding to link-local address requires an interface */
 334               if (!sk->sk_bound_dev_if) {
 335                       err = -EINVAL;
 336                       goto out_unlock;
 337               }

Replacing svc_addr_u by sockaddr_storage, let rqstp->rq_daddr contains more info
besides address.

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Mi Jinlong
2011-08-30 17:18:41 +08:00
committed by J. Bruce Fields
parent 11fcee0293
commit 849a1cf13d
5 changed files with 43 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
net/sunrpc/svc_xprt.c
View File

@@ -254,8 +254,6 @@ EXPORT_SYMBOL_GPL(svc_create_xprt);
*/
void svc_xprt_copy_addrs(struct svc_rqst *rqstp, struct svc_xprt *xprt)
{
struct sockaddr *sin;
memcpy(&rqstp->rq_addr, &xprt->xpt_remote, xprt->xpt_remotelen);
rqstp->rq_addrlen = xprt->xpt_remotelen;
@@ -263,15 +261,8 @@ void svc_xprt_copy_addrs(struct svc_rqst *rqstp, struct svc_xprt *xprt)
* Destination address in request is needed for binding the
* source address in RPC replies/callbacks later.
*/
sin = (struct sockaddr *)&xprt->xpt_local;
switch (sin->sa_family) {
case AF_INET:
rqstp->rq_daddr.addr = ((struct sockaddr_in *)sin)->sin_addr;
break;
case AF_INET6:
rqstp->rq_daddr.addr6 = ((struct sockaddr_in6 *)sin)->sin6_addr;
break;
}
memcpy(&rqstp->rq_daddr, &xprt->xpt_local, xprt->xpt_locallen);
rqstp->rq_daddrlen = xprt->xpt_locallen;
}
EXPORT_SYMBOL_GPL(svc_xprt_copy_addrs);