SUNRPC: Add address family field to svc_serv data structure

Introduce and initialize an address family field in the svc_serv structure.

This field will determine what family to use for the service's listener
sockets and what families are advertised via the local rpcbind daemon.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 5bd9bf0..1553fec 100644 (file)
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -266,7 +266,7 @@ lockd_up(int proto) /* Maybe add a 'family' option when IPv6 is supported ?? */
                        "lockd_up: no pid, %d users??\n", nlmsvc_users);
 
        error = -ENOMEM;
-       serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL);
+       serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, AF_INET, NULL);
        if (!serv) {
                printk(KERN_WARNING "lockd_up: create service failed\n");
                goto out;

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index f447f4b..6a09760 100644 (file)
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -105,7 +105,8 @@ int nfs_callback_up(void)
        mutex_lock(&nfs_callback_mutex);
        if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
                goto out;
-       serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, NULL);
+       serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE,
+                               AF_INET, NULL);
        ret = -ENOMEM;
        if (!serv)
                goto out_err;

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 80292ff..7f3d76a 100644 (file)
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -229,6 +229,7 @@ int nfsd_create_serv(void)
 
        atomic_set(&nfsd_busy, 0);
        nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize,
+                                     AF_INET,
                                      nfsd_last_thread, nfsd, THIS_MODULE);
        if (nfsd_serv == NULL)
                err = -ENOMEM;

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index dc69068..23143f3 100644 (file)
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -66,6 +66,7 @@ struct svc_serv {
        struct list_head        sv_tempsocks;   /* all temporary sockets */
        int                     sv_tmpcnt;      /* count of temporary sockets */
        struct timer_list       sv_temptimer;   /* timer for aging temporary sockets */
+       sa_family_t             sv_family;      /* listener's address family */
 
        char *                  sv_name;        /* service name */
 
@@ -381,14 +382,14 @@ struct svc_procedure {
 /*
  * Function prototypes.
  */
-struct svc_serv *  svc_create(struct svc_program *, unsigned int,
-                             void (*shutdown)(struct svc_serv*));
+struct svc_serv *svc_create(struct svc_program *, unsigned int, sa_family_t,
+                           void (*shutdown)(struct svc_serv *));
 struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
                                        struct svc_pool *pool);
 void              svc_exit_thread(struct svc_rqst *);
 struct svc_serv *  svc_create_pooled(struct svc_program *, unsigned int,
-                       void (*shutdown)(struct svc_serv*), svc_thread_fn,
-                       struct module *);
+                       sa_family_t, void (*shutdown)(struct svc_serv *),
+                       svc_thread_fn, struct module *);
 int               svc_set_num_threads(struct svc_serv *, struct svc_pool *, int);
 void              svc_destroy(struct svc_serv *);
 int               svc_process(struct svc_rqst *);

diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 5a32cb7..9ba1704 100644 (file)
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -357,7 +357,7 @@ svc_pool_for_cpu(struct svc_serv *serv, int cpu)
  */
 static struct svc_serv *
 __svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
-          void (*shutdown)(struct svc_serv *serv))
+          sa_family_t family, void (*shutdown)(struct svc_serv *serv))
 {
        struct svc_serv *serv;
        unsigned int vers;
@@ -366,6 +366,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
 
        if (!(serv = kzalloc(sizeof(*serv), GFP_KERNEL)))
                return NULL;
+       serv->sv_family    = family;
        serv->sv_name      = prog->pg_name;
        serv->sv_program   = prog;
        serv->sv_nrthreads = 1;
@@ -425,21 +426,21 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
 
 struct svc_serv *
 svc_create(struct svc_program *prog, unsigned int bufsize,
-               void (*shutdown)(struct svc_serv *serv))
+               sa_family_t family, void (*shutdown)(struct svc_serv *serv))
 {
-       return __svc_create(prog, bufsize, /*npools*/1, shutdown);
+       return __svc_create(prog, bufsize, /*npools*/1, family, shutdown);
 }
 EXPORT_SYMBOL(svc_create);
 
 struct svc_serv *
 svc_create_pooled(struct svc_program *prog, unsigned int bufsize,
-               void (*shutdown)(struct svc_serv *serv),
+                 sa_family_t family, void (*shutdown)(struct svc_serv *serv),
                  svc_thread_fn func, struct module *mod)
 {
        struct svc_serv *serv;
        unsigned int npools = svc_pool_map_get();
 
-       serv = __svc_create(prog, bufsize, npools, shutdown);
+       serv = __svc_create(prog, bufsize, npools, family, shutdown);
 
        if (serv != NULL) {
                serv->sv_function = func;