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-rw-r--r--net/sunrpc/rpc_pipe.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index e32e6b8c006d..f628b0f48a87 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -27,6 +27,9 @@
#include <linux/workqueue.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
#include <linux/sunrpc/cache.h>
+#include <linux/nsproxy.h>
+
+#include "netns.h"
static struct vfsmount *rpc_mnt __read_mostly;
static int rpc_mount_count;
@@ -1011,6 +1014,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
}
if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
return -ENOMEM;
+ sb->s_fs_info = get_net(net);
return 0;
}
@@ -1021,11 +1025,19 @@ rpc_mount(struct file_system_type *fs_type,
return mount_ns(fs_type, flags, current->nsproxy->net_ns, rpc_fill_super);
}
+void rpc_kill_sb(struct super_block *sb)
+{
+ struct net *net = sb->s_fs_info;
+
+ put_net(net);
+ kill_litter_super(sb);
+}
+
static struct file_system_type rpc_pipe_fs_type = {
.owner = THIS_MODULE,
.name = "rpc_pipefs",
.mount = rpc_mount,
- .kill_sb = kill_litter_super,
+ .kill_sb = rpc_kill_sb,
};
static void