From 758201e2c94b7d26ea0ac64e55cab1d53742780a Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 1 Oct 2012 16:33:18 -0700 Subject: [PATCH] NFSv4: Fix the minor version callback channel startup The current spaghetti code confuses some versions of gcc (and just looks ugly as hell)! Clean up... Signed-off-by: Trond Myklebust --- fs/nfs/callback.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 8ed0bc8cffb6..2245bef50f37 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -177,15 +178,11 @@ nfs41_callback_up(struct svc_serv *serv) return rqstp; } -static inline int nfs_minorversion_callback_svc_setup(u32 minorversion, - struct svc_serv *serv, +static void nfs_minorversion_callback_svc_setup(struct svc_serv *serv, struct svc_rqst **rqstpp, int (**callback_svc)(void *vrqstp)) { - if (minorversion) { - *rqstpp = nfs41_callback_up(serv); - *callback_svc = nfs41_callback_svc; - } - return minorversion; + *rqstpp = nfs41_callback_up(serv); + *callback_svc = nfs41_callback_svc; } static inline void nfs_callback_bc_serv(u32 minorversion, struct rpc_xprt *xprt, @@ -204,11 +201,11 @@ static int nfs41_callback_up_net(struct svc_serv *serv, struct net *net) return 0; } -static inline int nfs_minorversion_callback_svc_setup(u32 minorversion, - struct svc_serv *serv, +static void nfs_minorversion_callback_svc_setup(struct svc_serv *serv, struct svc_rqst **rqstpp, int (**callback_svc)(void *vrqstp)) { - return 0; + *rqstpp = ERR_PTR(-ENOTSUPP); + *callback_svc = ERR_PTR(-ENOTSUPP); } static inline void nfs_callback_bc_serv(u32 minorversion, struct rpc_xprt *xprt, @@ -225,19 +222,21 @@ static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, 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); if (cb_info->task) return 0; - minorversion_setup = nfs_minorversion_callback_svc_setup(minorversion, - serv, &rqstp, &callback_svc); - if (!minorversion_setup) { + switch (minorversion) { + case 0: /* v4.0 callback setup */ rqstp = nfs4_callback_up(serv); callback_svc = nfs4_callback_svc; + break; + default: + nfs_minorversion_callback_svc_setup(serv, + &rqstp, &callback_svc); } if (IS_ERR(rqstp)) -- 2.34.1