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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

16
fs/nfsd/nfs4state.c
View File

@@ -1257,20 +1257,6 @@ find_unconfirmed_client_by_str(const char *dname, unsigned int hashval)
return NULL;
}
static void rpc_svcaddr2sockaddr(struct sockaddr *sa, unsigned short family, union svc_addr_u *svcaddr)
{
switch (family) {
case AF_INET:
((struct sockaddr_in *)sa)->sin_family = AF_INET;
((struct sockaddr_in *)sa)->sin_addr = svcaddr->addr;
return;
case AF_INET6:
((struct sockaddr_in6 *)sa)->sin6_family = AF_INET6;
((struct sockaddr_in6 *)sa)->sin6_addr = svcaddr->addr6;
return;
}
}
static void
gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_rqst *rqstp)
{
@@ -1302,7 +1288,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_r
conn->cb_prog = se->se_callback_prog;
conn->cb_ident = se->se_callback_ident;
rpc_svcaddr2sockaddr((struct sockaddr *)&conn->cb_saddr, expected_family, &rqstp->rq_daddr);
memcpy(&conn->cb_saddr, &rqstp->rq_daddr, rqstp->rq_daddrlen);
return;
out_err:
conn->cb_addr.ss_family = AF_UNSPEC;