On service shutdown we can be sure, that no more users of it left except
current. Thus it looks like using current network namespace context is safe in
this case.
Signed-off-by: Stanislav Kinsbursky <skinsbur...@parallels.com>
---
fs/nfsd/nfssvc.c | 4 ++--
include/linux/sunrpc/svc.h | 9 +++++----
net/sunrpc/svc.c | 14 +++++++-------
3 files changed, 14 insertions(+), 13 deletions(-)
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index eda7d7e..fce472f 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -251,13 +251,13 @@ static void nfsd_shutdown(void)
nfsd_up = false;
}
-static void nfsd_last_thread(struct svc_serv *serv)
+static void nfsd_last_thread(struct svc_serv *serv, struct net *net)
{
/* When last nfsd thread exits we need to do some clean-up */
nfsd_serv = NULL;
nfsd_shutdown();
- svc_rpcb_cleanup(serv);
+ svc_rpcb_cleanup(serv, net);
printk(KERN_WARNING "nfsd: last server has exited, flushing export "
"cache\n");
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d3563c2..7b65495 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -84,7 +84,8 @@ struct svc_serv {
unsigned int sv_nrpools; /* number of thread pools */
struct svc_pool * sv_pools; /* array of thread pools */
- void (*sv_shutdown)(struct svc_serv *serv);
+ void (*sv_shutdown)(struct svc_serv *serv,
+ struct net *net);
/* Callback to use when last
thread
* exits.
*/
@@ -413,14 +414,14 @@ struct svc_procedure {
/*
* Function prototypes.
*/
-void svc_rpcb_cleanup(struct svc_serv *serv);
+void svc_rpcb_cleanup(struct svc_serv *serv, struct net *net);
struct svc_serv *svc_create(struct svc_program *, unsigned int,
- void (*shutdown)(struct svc_serv *));
+ void (*shutdown)(struct svc_serv *, struct net
*net));
struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
struct svc_pool *pool, int node);
void svc_exit_thread(struct svc_rqst *);
struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int,
- void (*shutdown)(struct svc_serv *),
+ void (*shutdown)(struct svc_serv *, struct net *net),
svc_thread_fn, struct module *);
int svc_set_num_threads(struct svc_serv *, struct svc_pool *,
int);
int svc_pool_stats_open(struct svc_serv *serv, struct file
*file);
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 578f962..b7e4ef9 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -380,10 +380,10 @@ static int svc_rpcb_setup(struct svc_serv *serv, struct
net *net)
return 0;
}
-void svc_rpcb_cleanup(struct svc_serv *serv)
+void svc_rpcb_cleanup(struct svc_serv *serv, struct net *net)
{
- svc_unregister(serv, &init_net);
- rpcb_put_local(&init_net);
+ svc_unregister(serv, net);
+ rpcb_put_local(net);
}
EXPORT_SYMBOL_GPL(svc_rpcb_cleanup);
@@ -409,7 +409,7 @@ static int svc_uses_rpcbind(struct svc_serv *serv)
*/
static struct svc_serv *
__svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
- void (*shutdown)(struct svc_serv *serv))
+ void (*shutdown)(struct svc_serv *serv, struct net *net))
{
struct svc_serv *serv;
unsigned int vers;
@@ -483,7 +483,7 @@ __svc_create(struct svc_program *prog, unsigned int
bufsize, int npools,
struct svc_serv *
svc_create(struct svc_program *prog, unsigned int bufsize,
- void (*shutdown)(struct svc_serv *serv))
+ void (*shutdown)(struct svc_serv *serv, struct net *net))
{
return __svc_create(prog, bufsize, /*npools*/1, shutdown);
}
@@ -491,7 +491,7 @@ EXPORT_SYMBOL_GPL(svc_create);
struct svc_serv *
svc_create_pooled(struct svc_program *prog, unsigned int bufsize,
- void (*shutdown)(struct svc_serv *serv),
+ void (*shutdown)(struct svc_serv *serv, struct net *net),
svc_thread_fn func, struct module *mod)
{
struct svc_serv *serv;
@@ -532,7 +532,7 @@ svc_destroy(struct svc_serv *serv)
svc_close_all(&serv->sv_tempsocks);
if (serv->sv_shutdown)
- serv->sv_shutdown(serv);
+ serv->sv_shutdown(serv, current->nsproxy->net_ns);
svc_close_all(&serv->sv_permsocks);
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