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| author |   Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-10-01 16:33:18 -0700 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-10-01 16:58:39 -0700 |
| commit | 758201e2c94b7d26ea0ac64e55cab1d53742780a (patch) | |
| tree | 0298ab5bf31e8def1ea10285217ab8e311b8aab4 /fs/nfs/callback.c | |
| parent | NFSv4: Fix up a merge conflict between migration and container changes (diff) | |
| download | linux-dev-758201e2c94b7d26ea0ac64e55cab1d53742780a.tar.xz linux-dev-758201e2c94b7d26ea0ac64e55cab1d53742780a.zip | |
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 <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/callback.c')
| -rw-r--r-- | fs/nfs/callback.c | 27 |
1 files 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 <linux/sunrpc/svc.h> #include <linux/sunrpc/svcsock.h> #include <linux/nfs_fs.h> +#include <linux/errno.h> #include <linux/mutex.h> #include <linux/freezer.h> #include <linux/kthread.h> @@ -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)) |