diff options
| -rw-r--r-- | fs/nfs/callback.c | 77 |
1 files changed, 45 insertions, 32 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index a528cb75121e..5d5f9d10cfd0 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -217,6 +217,46 @@ static inline void nfs_callback_bc_serv(u32 minorversion, struct rpc_xprt *xprt, } #endif /* CONFIG_NFS_V4_1 */ +static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, + struct svc_serv *serv) +{ + struct svc_rqst *rqstp; + int (*callback_svc)(void *vrqstp); + struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion]; + char svc_name[12]; + int ret; + int minorversion_setup; + + nfs_callback_bc_serv(minorversion, xprt, serv); + + minorversion_setup = nfs_minorversion_callback_svc_setup(minorversion, + serv, &rqstp, &callback_svc); + if (!minorversion_setup) { + /* v4.0 callback setup */ + rqstp = nfs4_callback_up(serv); + callback_svc = nfs4_callback_svc; + } + + if (IS_ERR(rqstp)) + return PTR_ERR(rqstp); + + svc_sock_update_bufs(serv); + + sprintf(svc_name, "nfsv4.%u-svc", minorversion); + cb_info->serv = serv; + cb_info->rqst = rqstp; + cb_info->task = kthread_run(callback_svc, cb_info->rqst, svc_name); + if (IS_ERR(cb_info->task)) { + ret = PTR_ERR(cb_info->task); + svc_exit_thread(cb_info->rqst); + cb_info->rqst = NULL; + cb_info->task = NULL; + return PTR_ERR(cb_info->task); + } + dprintk("nfs_callback_up: service started\n"); + return 0; +} + static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct net *net) { int ret; @@ -299,12 +339,8 @@ static struct svc_serv *nfs_callback_create_svc(int minorversion) int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt) { struct svc_serv *serv; - struct svc_rqst *rqstp; - int (*callback_svc)(void *vrqstp); struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion]; - char svc_name[12]; int ret = 0; - int minorversion_setup; struct net *net = xprt->xprt_net; mutex_lock(&nfs_callback_mutex); @@ -324,34 +360,10 @@ int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt) if (ret < 0) goto err_net; - nfs_callback_bc_serv(minorversion, xprt, serv); - - minorversion_setup = nfs_minorversion_callback_svc_setup(minorversion, - serv, &rqstp, &callback_svc); - if (!minorversion_setup) { - /* v4.0 callback setup */ - rqstp = nfs4_callback_up(serv); - callback_svc = nfs4_callback_svc; - } - - if (IS_ERR(rqstp)) { - ret = PTR_ERR(rqstp); - goto out_err; - } - - svc_sock_update_bufs(serv); + ret = nfs_callback_start_svc(minorversion, xprt, serv); + if (ret < 0) + goto err_start; - sprintf(svc_name, "nfsv4.%u-svc", minorversion); - cb_info->serv = serv; - cb_info->rqst = rqstp; - cb_info->task = kthread_run(callback_svc, cb_info->rqst, svc_name); - if (IS_ERR(cb_info->task)) { - ret = PTR_ERR(cb_info->task); - svc_exit_thread(cb_info->rqst); - cb_info->rqst = NULL; - cb_info->task = NULL; - goto out_err; - } out: /* * svc_create creates the svc_serv with sv_nrthreads == 1, and then @@ -363,7 +375,8 @@ out: err_create: mutex_unlock(&nfs_callback_mutex); return ret; -out_err: + +err_start: svc_shutdown_net(serv, net); err_net: dprintk("NFS: Couldn't create callback socket or server thread; " |