nfsd4: move minorversion to client

The minorversion seems more a property of the client than the callback
channel.

Some time we should probably also enforce consistent minorversion usage
from the client; for now, this is just a cosmetic change.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

3 files changed, 15 insertions, 7 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index d38ee3c55a08..67bcd2c72623 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -496,7 +496,7 @@ int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *conn)
 
         if (!clp->cl_principal && (clp->cl_flavor >= RPC_AUTH_GSS_KRB5))
                 return -EINVAL;
-        if (conn->cb_minorversion) {
+        if (clp->cl_minorversion) {
                 args.bc_xprt = conn->cb_xprt;
                 args.prognumber = clp->cl_cb_session->se_cb_prog;
                 args.protocol = XPRT_TRANSPORT_BC_TCP;
@@ -620,7 +620,7 @@ static void nfsd4_cb_prepare(struct rpc_task *task, void *calldata)
         struct nfsd4_callback *cb = calldata;
         struct nfs4_delegation *dp = container_of(cb, struct nfs4_delegation, dl_recall);
         struct nfs4_client *clp = dp->dl_client;
-        u32 minorversion = clp->cl_cb_conn.cb_minorversion;
+        u32 minorversion = clp->cl_minorversion;
         int status = 0;
 
         cb->cb_minorversion = minorversion;
@@ -645,9 +645,9 @@ static void nfsd4_cb_done(struct rpc_task *task, void *calldata)
         struct nfs4_client *clp = dp->dl_client;
 
         dprintk("%s: minorversion=%d\n", __func__,
-                clp->cl_cb_conn.cb_minorversion);
+                clp->cl_minorversion);
 
-        if (clp->cl_cb_conn.cb_minorversion) {
+        if (clp->cl_minorversion) {
                 /* No need for lock, access serialized in nfsd4_cb_prepare */
                 ++clp->cl_cb_session->se_cb_seq_nr;
                 clear_bit(0, &clp->cl_cb_slot_busy);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 0f2643dac22a..ce0412fd23eb 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -782,7 +782,6 @@ static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct n
                 svc_xprt_get(rqstp->rq_xprt);
                 rpc_copy_addr((struct sockaddr *)&clp->cl_cb_conn.cb_addr, sa);
                 clp->cl_cb_conn.cb_addrlen = svc_addr_len(sa);
-                clp->cl_cb_conn.cb_minorversion = 1;
                 nfsd4_probe_callback(clp);
         }
         return new;
@@ -1200,7 +1199,6 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, u32 scopeid)
         if (conn->cb_addr.ss_family == AF_INET6)
                 ((struct sockaddr_in6 *)&conn->cb_addr)->sin6_scope_id = scopeid;
 
-        conn->cb_minorversion = 0;
         conn->cb_prog = se->se_callback_prog;
         conn->cb_ident = se->se_callback_ident;
         return;
@@ -1541,6 +1539,11 @@ nfsd4_create_session(struct svc_rqst *rqstp,
         }
 
         /*
+         * XXX: we should probably set this at creation time, and check
+         * for consistent minorversion use throughout:
+         */
+        conf->cl_minorversion = 1;
+        /*
          * We do not support RDMA or persistent sessions
          */
         cr_ses->flags &= ~SESSION4_PERSIST;
@@ -1857,6 +1860,11 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
                         goto out;
                 gen_clid(new);
         }
+        /*
+         * XXX: we should probably set this at creation time, and check
+         * for consistent minorversion use throughout:
+         */
+        new->cl_minorversion = 0;
         gen_callback(new, setclid, rpc_get_scope_id(sa));
         add_to_unconfirmed(new, strhashval);
         setclid->se_clientid.cl_boot = new->cl_clientid.cl_boot;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index bbc4d587b341..39adc27b0685 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -98,7 +98,6 @@ struct nfs4_cb_conn {
         size_t                  cb_addrlen;
         u32                     cb_prog; /* used only in 4.0 case;
                                             per-session otherwise */
-        u32                     cb_minorversion;
         u32                     cb_ident;       /* minorversion 0 only */
         struct svc_xprt         *cb_xprt;       /* minorversion 1 only */
 };
@@ -227,6 +226,7 @@ struct nfs4_client {
         clientid_t              cl_clientid;    /* generated by server */
         nfs4_verifier           cl_confirm;     /* generated by server */
         u32                     cl_firststate;  /* recovery dir creation */
+        u32                     cl_minorversion;
 
         /* for v4.0 and v4.1 callbacks: */
         struct nfs4_cb_conn     cl_cb_conn;