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SUNRPC: register RPC stats /proc entries in passed network namespace context 

This patch makes it possible to create NFS program entry ("/proc/net/rpc/nfs")
in passed network namespace context instead of hard-coded "init_net".

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky 2011-12-06 16:42:40 +03:00 committed by Trond Myklebust
parent 170942726b
commit ec7652aaf2
3 changed files with 15 additions and 14 deletions
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6
fs/nfs/inode.c
View File

@ -1625,14 +1625,14 @@ static int __init init_nfs_fs(void)
goto out0;
#ifdef CONFIG_PROC_FS
rpc_proc_register(&nfs_rpcstat);
rpc_proc_register(&init_net, &nfs_rpcstat);
#endif
if ((err = register_nfs_fs()) != 0)
goto out;
return 0;
out:
#ifdef CONFIG_PROC_FS
rpc_proc_unregister("nfs");
rpc_proc_unregister(&init_net, "nfs");
#endif
nfs_destroy_directcache();
out0:
@ -1671,7 +1671,7 @@ static void __exit exit_nfs_fs(void)
nfs_dns_resolver_destroy();
nfs_idmap_quit();
#ifdef CONFIG_PROC_FS
rpc_proc_unregister("nfs");
rpc_proc_unregister(&init_net, "nfs");
#endif
nfs_cleanup_cb_ident_idr();
unregister_nfs_fs();

8
include/linux/sunrpc/stats.h
View File

@ -58,8 +58,8 @@ void rpc_modcount(struct inode *, int);
#endif
#ifdef CONFIG_PROC_FS
struct proc_dir_entry * rpc_proc_register(struct rpc_stat *);
void rpc_proc_unregister(const char *);
struct proc_dir_entry * rpc_proc_register(struct net *,struct rpc_stat *);
void rpc_proc_unregister(struct net *,const char *);
void rpc_proc_zero(struct rpc_program *);
struct proc_dir_entry * svc_proc_register(struct svc_stat *,
const struct file_operations *);
@ -69,8 +69,8 @@ void svc_seq_show(struct seq_file *,
const struct svc_stat *);
#else
static inline struct proc_dir_entry *rpc_proc_register(struct rpc_stat *s) { return NULL; }
static inline void rpc_proc_unregister(const char *p) {}
static inline struct proc_dir_entry *rpc_proc_register(struct net *, struct rpc_stat *s) { return NULL; }
static inline void rpc_proc_unregisterstruct net *, (const char *p) {}
static inline void rpc_proc_zero(struct rpc_program *p) {}
static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s,

15
net/sunrpc/stats.c
View File

@ -213,28 +213,29 @@ EXPORT_SYMBOL_GPL(rpc_print_iostats);
* Register/unregister RPC proc files
*/
static inline struct proc_dir_entry *
do_register(const char *name, void *data, const struct file_operations *fops)
do_register(struct net *net, const char *name, void *data,
const struct file_operations *fops)
{
struct sunrpc_net *sn;
dprintk("RPC: registering /proc/net/rpc/%s\n", name);
sn = net_generic(&init_net, sunrpc_net_id);
sn = net_generic(net, sunrpc_net_id);
return proc_create_data(name, 0, sn->proc_net_rpc, fops, data);
}
struct proc_dir_entry *
rpc_proc_register(struct rpc_stat *statp)
rpc_proc_register(struct net *net, struct rpc_stat *statp)
{
return do_register(statp->program->name, statp, &rpc_proc_fops);
return do_register(net, statp->program->name, statp, &rpc_proc_fops);
}
EXPORT_SYMBOL_GPL(rpc_proc_register);
void
rpc_proc_unregister(const char *name)
rpc_proc_unregister(struct net *net, const char *name)
{
struct sunrpc_net *sn;
sn = net_generic(&init_net, sunrpc_net_id);
sn = net_generic(net, sunrpc_net_id);
remove_proc_entry(name, sn->proc_net_rpc);
}
EXPORT_SYMBOL_GPL(rpc_proc_unregister);
@ -242,7 +243,7 @@ EXPORT_SYMBOL_GPL(rpc_proc_unregister);
struct proc_dir_entry *
svc_proc_register(struct svc_stat *statp, const struct file_operations *fops)
{
return do_register(statp->program->pg_name, statp, fops);
return do_register(&init_net, statp->program->pg_name, statp, fops);
}
EXPORT_SYMBOL_GPL(svc_proc_register);