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>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 353eb4a..3fd23f7 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -141,6 +141,7 @@
u32 ident;
u32 nops;
__be32 *nops_p;
+ u32 minorversion;
u32 taglen;
char *tag;
};
@@ -209,7 +210,7 @@
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);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index ef6944b..980a216 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -984,6 +984,7 @@
if ( !(parse_ipv4(se->se_callback_addr_len, se->se_callback_addr_val,
&cb->cb_addr, &cb->cb_port)))
goto out_err;
+ cb->cb_minorversion = 0;
cb->cb_prog = se->se_callback_prog;
cb->cb_ident = se->se_callback_ident;
return;