sunrpc: Add routines that allow registering per-net caches
Existing calls do the same, but for the init_net.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index ff733df..e84e7dd 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -34,6 +34,7 @@
#include <linux/sunrpc/cache.h>
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
+#include <net/net_namespace.h>
#define RPCDBG_FACILITY RPCDBG_CACHE
@@ -1537,7 +1538,7 @@
.release = release_flush_procfs,
};
-static void remove_cache_proc_entries(struct cache_detail *cd)
+static void remove_cache_proc_entries(struct cache_detail *cd, struct net *net)
{
if (cd->u.procfs.proc_ent == NULL)
return;
@@ -1552,7 +1553,7 @@
}
#ifdef CONFIG_PROC_FS
-static int create_cache_proc_entries(struct cache_detail *cd)
+static int create_cache_proc_entries(struct cache_detail *cd, struct net *net)
{
struct proc_dir_entry *p;
@@ -1587,11 +1588,11 @@
}
return 0;
out_nomem:
- remove_cache_proc_entries(cd);
+ remove_cache_proc_entries(cd, net);
return -ENOMEM;
}
#else /* CONFIG_PROC_FS */
-static int create_cache_proc_entries(struct cache_detail *cd)
+static int create_cache_proc_entries(struct cache_detail *cd, struct net *net)
{
return 0;
}
@@ -1602,22 +1603,32 @@
INIT_DELAYED_WORK_DEFERRABLE(&cache_cleaner, do_cache_clean);
}
-int cache_register(struct cache_detail *cd)
+int cache_register_net(struct cache_detail *cd, struct net *net)
{
int ret;
sunrpc_init_cache_detail(cd);
- ret = create_cache_proc_entries(cd);
+ ret = create_cache_proc_entries(cd, net);
if (ret)
sunrpc_destroy_cache_detail(cd);
return ret;
}
+
+int cache_register(struct cache_detail *cd)
+{
+ return cache_register_net(cd, &init_net);
+}
EXPORT_SYMBOL_GPL(cache_register);
+void cache_unregister_net(struct cache_detail *cd, struct net *net)
+{
+ remove_cache_proc_entries(cd, net);
+ sunrpc_destroy_cache_detail(cd);
+}
+
void cache_unregister(struct cache_detail *cd)
{
- remove_cache_proc_entries(cd);
- sunrpc_destroy_cache_detail(cd);
+ cache_unregister_net(cd, &init_net);
}
EXPORT_SYMBOL_GPL(cache_unregister);