From cb9c1c4a880bc734c2848f8647be2cfa336ee346 Mon Sep 17 00:00:00 2001
From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Sun, 11 Mar 2012 18:20:23 +0400
Subject: NFS: replace global bl_mount_reply with per-net one

This global variable is used for blocklayout downcall and thus can be corrupted
if case of existence of multiple networks namespaces.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/netns.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'fs/nfs/netns.h')

diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index 7baad89ae60e..73425f555cde 100644
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -4,9 +4,15 @@
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 
+struct bl_dev_msg {
+	int32_t status;
+	uint32_t major, minor;
+};
+
 struct nfs_net {
 	struct cache_detail *nfs_dns_resolve;
 	struct rpc_pipe *bl_device_pipe;
+	struct bl_dev_msg bl_mount_reply;
 	struct list_head nfs_client_list;
 	struct list_head nfs_volume_list;
 #ifdef CONFIG_NFS_V4
-- 
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