nfs41: implement DESTROY_CLIENTID operation

According to rfc5661 18.50, implement DESTROY_CLIENTID operation.

Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index decea140b323..66d095d7955e 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1417,6 +1417,16 @@ xdr_error:
         goto out;
 }
 
+static __be32 nfsd4_decode_destroy_clientid(struct nfsd4_compoundargs *argp, struct nfsd4_destroy_clientid *dc)
+{
+        DECODE_HEAD;
+
+        READ_BUF(8);
+        COPYMEM(&dc->clientid, 8);
+
+        DECODE_TAIL;
+}
+
 static __be32 nfsd4_decode_reclaim_complete(struct nfsd4_compoundargs *argp, struct nfsd4_reclaim_complete *rc)
 {
         DECODE_HEAD;
@@ -1538,7 +1548,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
         [OP_SET_SSV]            = (nfsd4_dec)nfsd4_decode_notsupp,
         [OP_TEST_STATEID]       = (nfsd4_dec)nfsd4_decode_test_stateid,
         [OP_WANT_DELEGATION]    = (nfsd4_dec)nfsd4_decode_notsupp,
-        [OP_DESTROY_CLIENTID]   = (nfsd4_dec)nfsd4_decode_notsupp,
+        [OP_DESTROY_CLIENTID]   = (nfsd4_dec)nfsd4_decode_destroy_clientid,
         [OP_RECLAIM_COMPLETE]   = (nfsd4_dec)nfsd4_decode_reclaim_complete,
 };