NFS: Add server and volume lists to /proc

Make two new proc files available:

	/proc/fs/nfsfs/servers
	/proc/fs/nfsfs/volumes

The first lists the servers with which we are currently dealing (struct
nfs_client), and the second lists the volumes we have on those servers (struct
nfs_server).

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index a547c58a83e6..cb5c65f0bc12 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1141,6 +1141,10 @@ static int __init init_nfs_fs(void)
 {
         int err;
 
+        err = nfs_fs_proc_init();
+        if (err)
+                goto out5;
+
         err = nfs_init_nfspagecache();
         if (err)
                 goto out4;
@@ -1181,6 +1185,8 @@ out2:
 out3:
         nfs_destroy_nfspagecache();
 out4:
+        nfs_fs_proc_exit();
+out5:
         return err;
 }
 
@@ -1195,6 +1201,7 @@ static void __exit exit_nfs_fs(void)
         rpc_proc_unregister("nfs");
 #endif
         unregister_nfs_fs();
+        nfs_fs_proc_exit();
 }
 
 /* Not quite true; I just maintain it */