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authorPavel Emelyanov <xemul@parallels.com>2010-09-27 14:00:15 +0400
committerJ. Bruce Fields <bfields@redhat.com>2010-09-27 10:16:11 -0400
commit593ce16b943ea37d4ec62c377b32d7f3f4085e84 (patch)
treed8e161541e89f69e0de4416d76655cf11d9ecaa8
parent352114f395bd79353faf0bc1506ead94de393f55 (diff)
downloadop-kernel-dev-593ce16b943ea37d4ec62c377b32d7f3f4085e84.zip
op-kernel-dev-593ce16b943ea37d4ec62c377b32d7f3f4085e84.tar.gz
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>
-rw-r--r--include/linux/sunrpc/cache.h2
-rw-r--r--net/sunrpc/cache.c27
2 files changed, 21 insertions, 8 deletions
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 0349635..6950c98 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -197,7 +197,9 @@ extern void cache_purge(struct cache_detail *detail);
#define NEVER (0x7FFFFFFF)
extern void __init cache_initialize(void);
extern int cache_register(struct cache_detail *cd);
+extern int cache_register_net(struct cache_detail *cd, struct net *net);
extern void cache_unregister(struct cache_detail *cd);
+extern void cache_unregister_net(struct cache_detail *cd, struct net *net);
extern int sunrpc_cache_register_pipefs(struct dentry *parent, const char *,
mode_t, struct cache_detail *);
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 @@ static const struct file_operations cache_flush_operations_procfs = {
.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 @@ static void remove_cache_proc_entries(struct cache_detail *cd)
}
#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 @@ static int create_cache_proc_entries(struct cache_detail *cd)
}
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;
}
@@ -1602,23 +1603,33 @@ void __init cache_initialize(void)
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(struct cache_detail *cd)
+void cache_unregister_net(struct cache_detail *cd, struct net *net)
{
- remove_cache_proc_entries(cd);
+ remove_cache_proc_entries(cd, net);
sunrpc_destroy_cache_detail(cd);
}
+
+void cache_unregister(struct cache_detail *cd)
+{
+ cache_unregister_net(cd, &init_net);
+}
EXPORT_SYMBOL_GPL(cache_unregister);
static ssize_t cache_read_pipefs(struct file *filp, char __user *buf,
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