nfsd41: Backchannel: minorversion support for the back channel

Prepare to share backchannel code with NFSv4.1.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
[nfsd41: use nfsd4_cb_sequence for callback minorversion]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 353eb4a0b847..3fd23f7aceca 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -141,6 +141,7 @@ struct nfs4_cb_compound_hdr {
         u32             ident;
         u32             nops;
         __be32          *nops_p;
+        u32             minorversion;
         u32             taglen;
         char            *tag;
 };
@@ -209,7 +210,7 @@ encode_cb_compound_hdr(struct xdr_stream *xdr, struct nfs4_cb_compound_hdr *hdr)
 
         RESERVE_SPACE(16);
         WRITE32(0);            /* tag length is always 0 */
-        WRITE32(NFS4_MINOR_VERSION);
+        WRITE32(hdr->minorversion);
         WRITE32(hdr->ident);
         hdr->nops_p = p;
         WRITE32(hdr->nops);