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NFS: Add version registering framework

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This patch adds in the code to track multiple versions of the NFS
protocol.  I created default structures for v2, v3 and v4 so that each
version can continue to work while I convert them into kernel modules.
I also removed the const parameter from the rpc_version array so that I
can change it at runtime.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker 2012-07-30 16:05:16 -04:00 • committed by Trond Myklebust
parent a427b9ec4e
commit ab7017a3a0
12 changed files with 283 additions and 61 deletions
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9
fs/nfs/inode.c
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@ -50,6 +50,7 @@
#include "fscache.h"
#include "dns_resolve.h"
#include "pnfs.h"
#include "nfs.h"
#include "netns.h"
#define NFSDBG_FACILITY NFSDBG_VFS
@ -1671,21 +1672,17 @@ static int __init init_nfs_fs(void)
rpc_proc_register(&init_net, &nfs_rpcstat);
#endif
#ifdef CONFIG_NFS_V4
err = init_nfs_v4();
err = nfs_register_versions();
if (err)
goto out1;
#endif
if ((err = register_nfs_fs()) != 0)
goto out0;
return 0;
out0:
#ifdef CONFIG_NFS_V4
exit_nfs_v4();
nfs_unregister_versions();
out1:
#endif
#ifdef CONFIG_PROC_FS
rpc_proc_unregister(&init_net, "nfs");
#endif