From db90681d6eff89efc1eee523e1cb77eb632a6cf7 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Wed, 29 Sep 2010 15:29:32 -0400 Subject: [PATCH] nfsd4: refactor connection allocation Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4state.c | 32 ++++++++++++++++++++++++++------ 1 file 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; } -- GitLab