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>

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index d38ee3c..67bcd2c 100644 (file)
--- 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 0f2643d..ce0412f 100644 (file)
--- 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;
@@ -1540,6 +1538,11 @@ nfsd4_create_session(struct svc_rqst *rqstp,
                goto out;
        }
 
+       /*
+        * 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
         */
@@ -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 bbc4d58..39adc27 100644 (file)
--- 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;