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authorStanislav Kinsbursky <skinsbursky@parallels.com>2012-09-18 13:37:12 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-10-01 15:27:34 -0700
commite9406db20fecbfcab646bad157b4cfdc7cadddfb (patch)
tree292fcb0062d86eb7170de559fdd211b21dbe40da /fs/lockd/netns.h
parent1dc42e04b75779d321f1d17dca3873004066f667 (diff)
downloadop-kernel-dev-e9406db20fecbfcab646bad157b4cfdc7cadddfb.zip
op-kernel-dev-e9406db20fecbfcab646bad157b4cfdc7cadddfb.tar.gz
lockd: per-net NSM client creation and destruction helpers introduced
NSM RPC client can be required on NFSv3 umount, when child reaper is dying (and destroying it's mount namespace). It means, that current nsproxy is set to NULL already, but creation of RPC client requires UTS namespace for gaining hostname string. This patch introduces reference counted NFS RPC clients creation and destruction helpers (similar to RPCBIND RPC clients). Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Cc: <stable@vger.kernel.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/lockd/netns.h')
-rw-r--r--fs/lockd/netns.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 4eee248..5010b55 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -12,6 +12,10 @@ struct lockd_net {
struct delayed_work grace_period_end;
struct lock_manager lockd_manager;
struct list_head grace_list;
+
+ spinlock_t nsm_clnt_lock;
+ unsigned int nsm_users;
+ struct rpc_clnt *nsm_clnt;
};
extern int lockd_net_id;
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