| [PATCH v7 5/7] SUNRPC: cleanup service destruction [message #43897 is a reply to message #43892] |
Fri, 28 October 2011 10:53   |
Stanislav Kinsbursky
Messages: 683
Registered: October 2011
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Senior Member |
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svc_unregister() call have to be removed from svc_destroy() since it will be
called in sv_shutdown callback.
This also means, that we have to call svc_rpcb_cleanup() explicitly from
nfsd_last_thread() since this function is registered as service shutdown
callback and thus nobody else will done it for us.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
---
fs/nfsd/nfssvc.c | 2 ++
include/linux/sunrpc/svc.h | 1 +
net/sunrpc/svc.c | 4 ++--
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index dc5a1bf..52cd976 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -256,6 +256,8 @@ static void nfsd_last_thread(struct svc_serv *serv)
nfsd_serv = NULL;
nfsd_shutdown();
+ svc_rpcb_cleanup(serv);
+
printk(KERN_WARNING "nfsd: last server has exited, flushing export "
"cache\n");
nfsd_export_flush();
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 223588a..5e71a30 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -401,6 +401,7 @@ struct svc_procedure {
/*
* Function prototypes.
*/
+void svc_rpcb_cleanup(struct svc_serv *serv);
struct svc_serv *svc_create(struct svc_program *, unsigned int,
void (*shutdown)(struct svc_serv *));
struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 87a67b2..96df2ba 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -367,11 +367,12 @@ static int svc_rpcb_setup(struct svc_serv *serv)
return 0;
}
-static void svc_rpcb_cleanup(struct svc_serv *serv)
+void svc_rpcb_cleanup(struct svc_serv *serv)
{
svc_unregister(serv);
rpcb_put_local();
}
+EXPORT_SYMBOL_GPL(svc_rpcb_cleanup);
static int svc_uses_rpcbind(struct svc_serv *serv)
{
@@ -531,7 +532,6 @@ svc_destroy(struct svc_serv *serv)
if (svc_serv_is_pooled(serv))
svc_pool_map_put();
- svc_unregister(serv);
kfree(serv->sv_pools);
kfree(serv);
}
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