NFSD: Add generic v4.2 infrastructure

It's cleaner to introduce everything at once and have the server reply
with "not supported" than it would be to introduce extra operations when
implementing a specific one in the middle of the list.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index e771a1a7c6f1..0311baebd7d3 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1586,6 +1586,20 @@ static nfsd4_dec nfsd4_dec_ops[] = {
         [OP_WANT_DELEGATION]    = (nfsd4_dec)nfsd4_decode_notsupp,
         [OP_DESTROY_CLIENTID]   = (nfsd4_dec)nfsd4_decode_destroy_clientid,
         [OP_RECLAIM_COMPLETE]   = (nfsd4_dec)nfsd4_decode_reclaim_complete,
+
+        /* new operations for NFSv4.2 */
+        [OP_ALLOCATE]           = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_COPY]               = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_COPY_NOTIFY]        = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_DEALLOCATE]         = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_IO_ADVISE]          = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_LAYOUTERROR]        = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_LAYOUTSTATS]        = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_OFFLOAD_CANCEL]     = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_OFFLOAD_STATUS]     = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_READ_PLUS]          = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_SEEK]               = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_WRITE_SAME]         = (nfsd4_dec)nfsd4_decode_notsupp,
 };
 
 static inline bool
@@ -3823,6 +3837,20 @@ static nfsd4_enc nfsd4_enc_ops[] = {
         [OP_WANT_DELEGATION]    = (nfsd4_enc)nfsd4_encode_noop,
         [OP_DESTROY_CLIENTID]   = (nfsd4_enc)nfsd4_encode_noop,
         [OP_RECLAIM_COMPLETE]   = (nfsd4_enc)nfsd4_encode_noop,
+
+        /* NFSv4.2 operations */
+        [OP_ALLOCATE]           = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_COPY]               = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_COPY_NOTIFY]        = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_DEALLOCATE]         = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_IO_ADVISE]          = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_LAYOUTERROR]        = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_LAYOUTSTATS]        = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_OFFLOAD_CANCEL]     = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_OFFLOAD_STATUS]     = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_READ_PLUS]          = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_SEEK]               = (nfsd4_enc)nfsd4_encode_noop,
+        [OP_WRITE_SAME]         = (nfsd4_enc)nfsd4_encode_noop,
 };
 
 /*