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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

30
include/linux/sunrpc/svc.h
View File

@@ -212,11 +212,6 @@ static inline void svc_putu32(struct kvec *iov, __be32 val)
iov->iov_len += sizeof(__be32);
}
union svc_addr_u {
struct in_addr addr;
struct in6_addr addr6;
};
/*
* The context of a single thread, including the request currently being
* processed.
@@ -225,8 +220,12 @@ struct svc_rqst {
struct list_head rq_list; /* idle list */
struct list_head rq_all; /* all threads list */
struct svc_xprt * rq_xprt; /* transport ptr */
struct sockaddr_storage rq_addr; /* peer address */
size_t rq_addrlen;
struct sockaddr_storage rq_daddr; /* dest addr of request
* - reply from here */
size_t rq_daddrlen;
struct svc_serv * rq_server; /* RPC service definition */
struct svc_pool * rq_pool; /* thread pool */
@@ -255,9 +254,6 @@ struct svc_rqst {
unsigned short
rq_secure : 1; /* secure port */
union svc_addr_u rq_daddr; /* dest addr of request
* - reply from here */
void * rq_argp; /* decoded arguments */
void * rq_resp; /* xdr'd results */
void * rq_auth_data; /* flavor-specific data */
@@ -300,6 +296,21 @@ static inline struct sockaddr *svc_addr(const struct svc_rqst *rqst)
return (struct sockaddr *) &rqst->rq_addr;
}
static inline struct sockaddr_in *svc_daddr_in(const struct svc_rqst *rqst)
{
return (struct sockaddr_in *) &rqst->rq_daddr;
}
static inline struct sockaddr_in6 *svc_daddr_in6(const struct svc_rqst *rqst)
{
return (struct sockaddr_in6 *) &rqst->rq_daddr;
}
static inline struct sockaddr *svc_daddr(const struct svc_rqst *rqst)
{
return (struct sockaddr *) &rqst->rq_daddr;
}
/*
* Check buffer bounds after decoding arguments
*/
@@ -340,7 +351,8 @@ struct svc_deferred_req {
struct svc_xprt *xprt;
struct sockaddr_storage addr; /* where reply must go */
size_t addrlen;
union svc_addr_u daddr; /* where reply must come from */
struct sockaddr_storage daddr; /* where reply must come from */
size_t daddrlen;
struct cache_deferred_req handle;
size_t xprt_hlen;
int argslen;