nfsd4: refactor connection allocation

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

1 files changed, 26 insertions, 6 deletions

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b7e9793b58f5..3b4d74cbb6c8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -644,25 +644,45 @@ static void nfsd4_conn_lost(struct svc_xpt_user *u)
         spin_unlock(&clp->cl_lock);
 }
 
-static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
+static struct nfsd4_conn *alloc_conn(struct svc_rqst *rqstp)
 {
-        struct nfs4_client *clp = ses->se_client;
         struct nfsd4_conn *conn;
 
         conn = kmalloc(sizeof(struct nfsd4_conn), GFP_KERNEL);
         if (!conn)
-                return nfserr_jukebox;
-        conn->cn_flags = NFS4_CDFC4_FORE;
+                return NULL;
         svc_xprt_get(rqstp->rq_xprt);
         conn->cn_xprt = rqstp->rq_xprt;
-        conn->cn_session = ses;
+        conn->cn_flags = NFS4_CDFC4_FORE;
+        INIT_LIST_HEAD(&conn->cn_xpt_user.list);
+        return conn;
+}
+
+static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses)
+{
+        struct nfs4_client *clp = ses->se_client;
 
         spin_lock(&clp->cl_lock);
+        conn->cn_session = ses;
         list_add(&conn->cn_persession, &ses->se_conns);
         spin_unlock(&clp->cl_lock);
+}
 
+static void nfsd4_register_conn(struct nfsd4_conn *conn)
+{
         conn->cn_xpt_user.callback = nfsd4_conn_lost;
-        register_xpt_user(rqstp->rq_xprt, &conn->cn_xpt_user);
+        register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
+}
+
+static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
+{
+        struct nfsd4_conn *conn;
+
+        conn = alloc_conn(rqstp);
+        if (!conn)
+                return nfserr_jukebox;
+        nfsd4_hash_conn(conn, ses);
+        nfsd4_register_conn(conn);
         return nfs_ok;
 }