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Subject[PATCH v2] NFSd: use network-namespace-aware cache registering routines
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v2: cache_register_net() and cache_unregister_net() GPL exports added

This is a cleanup patch. Hope, some day generic cache_register() and
cache_unregister() will be removed.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>

---
fs/nfsd/export.c | 10 +++++-----
fs/nfsd/nfs4idmap.c | 11 ++++++-----
net/sunrpc/cache.c | 2 ++
3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 62f3b90..d1feeef 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1226,12 +1226,12 @@ nfsd_export_init(void)
int rv;
dprintk("nfsd: initializing export module.\n");

- rv = cache_register(&svc_export_cache);
+ rv = cache_register_net(&svc_export_cache, &init_net);
if (rv)
return rv;
- rv = cache_register(&svc_expkey_cache);
+ rv = cache_register_net(&svc_expkey_cache, &init_net);
if (rv)
- cache_unregister(&svc_export_cache);
+ cache_unregister_net(&svc_export_cache, &init_net);
return rv;

}
@@ -1255,8 +1255,8 @@ nfsd_export_shutdown(void)

dprintk("nfsd: shutting down export module.\n");

- cache_unregister(&svc_expkey_cache);
- cache_unregister(&svc_export_cache);
+ cache_unregister_net(&svc_expkey_cache, &init_net);
+ cache_unregister_net(&svc_export_cache, &init_net);
svcauth_unix_purge();

dprintk("nfsd: export shutdown complete.\n");
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 55780a2..9409627 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -36,6 +36,7 @@
#include <linux/seq_file.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <net/net_namespace.h>
#include "idmap.h"
#include "nfsd.h"

@@ -466,20 +467,20 @@ nfsd_idmap_init(void)
{
int rv;

- rv = cache_register(&idtoname_cache);
+ rv = cache_register_net(&idtoname_cache, &init_net);
if (rv)
return rv;
- rv = cache_register(&nametoid_cache);
+ rv = cache_register_net(&nametoid_cache, &init_net);
if (rv)
- cache_unregister(&idtoname_cache);
+ cache_unregister_net(&idtoname_cache, &init_net);
return rv;
}

void
nfsd_idmap_shutdown(void)
{
- cache_unregister(&idtoname_cache);
- cache_unregister(&nametoid_cache);
+ cache_unregister_net(&idtoname_cache, &init_net);
+ cache_unregister_net(&nametoid_cache, &init_net);
}

static int
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 72ad836..b8daa57 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1641,6 +1641,7 @@ int cache_register_net(struct cache_detail *cd, struct net *net)
sunrpc_destroy_cache_detail(cd);
return ret;
}
+EXPORT_SYMBOL_GPL(cache_register_net);

int cache_register(struct cache_detail *cd)
{
@@ -1653,6 +1654,7 @@ void cache_unregister_net(struct cache_detail *cd, struct net *net)
remove_cache_proc_entries(cd, net);
sunrpc_destroy_cache_detail(cd);
}
+EXPORT_SYMBOL_GPL(cache_unregister_net);

void cache_unregister(struct cache_detail *cd)
{


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