1 files changed, 1 insertions, 96 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 92bc109dabe6..4039ffcf90ba 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -84,21 +84,7 @@ static void encode_uint32(struct xdr_stream *xdr, u32 n)
 static void encode_bitmap4(struct xdr_stream *xdr, const __u32 *bitmap,
 			   size_t len)
 {
-	xdr_stream_encode_uint32_array(xdr, bitmap, len);
-}
-
-static int decode_cb_fattr4(struct xdr_stream *xdr, uint32_t *bitmap,
-				struct nfs4_cb_fattr *fattr)
-{
-	fattr->ncf_cb_change = 0;
-	fattr->ncf_cb_fsize = 0;
-	if (bitmap[0] & FATTR4_WORD0_CHANGE)
-		if (xdr_stream_decode_u64(xdr, &fattr->ncf_cb_change) < 0)
-			return -NFSERR_BAD_XDR;
-	if (bitmap[0] & FATTR4_WORD0_SIZE)
-		if (xdr_stream_decode_u64(xdr, &fattr->ncf_cb_fsize) < 0)
-			return -NFSERR_BAD_XDR;
-	return 0;
+	WARN_ON_ONCE(xdr_stream_encode_uint32_array(xdr, bitmap, len) < 0);
 }
 
 /*
@@ -372,30 +358,6 @@ encode_cb_recallany4args(struct xdr_stream *xdr,
 }
 
 /*
- * CB_GETATTR4args
- *	struct CB_GETATTR4args {
- *	   nfs_fh4 fh;
- *	   bitmap4 attr_request;
- *	};
- *
- * The size and change attributes are the only one
- * guaranteed to be serviced by the client.
- */
-static void
-encode_cb_getattr4args(struct xdr_stream *xdr, struct nfs4_cb_compound_hdr *hdr,
-			struct nfs4_cb_fattr *fattr)
-{
-	struct nfs4_delegation *dp =
-		container_of(fattr, struct nfs4_delegation, dl_cb_fattr);
-	struct knfsd_fh *fh = &dp->dl_stid.sc_file->fi_fhandle;
-
-	encode_nfs_cb_opnum4(xdr, OP_CB_GETATTR);
-	encode_nfs_fh4(xdr, fh);
-	encode_bitmap4(xdr, fattr->ncf_cb_bmap, ARRAY_SIZE(fattr->ncf_cb_bmap));
-	hdr->nops++;
-}
-
-/*
  * CB_SEQUENCE4args
  *
  *	struct CB_SEQUENCE4args {
@@ -531,26 +493,6 @@ static void nfs4_xdr_enc_cb_null(struct rpc_rqst *req, struct xdr_stream *xdr,
 }
 
 /*
- * 20.1.  Operation 3: CB_GETATTR - Get Attributes
- */
-static void nfs4_xdr_enc_cb_getattr(struct rpc_rqst *req,
-		struct xdr_stream *xdr, const void *data)
-{
-	const struct nfsd4_callback *cb = data;
-	struct nfs4_cb_fattr *ncf =
-		container_of(cb, struct nfs4_cb_fattr, ncf_getattr);
-	struct nfs4_cb_compound_hdr hdr = {
-		.ident = cb->cb_clp->cl_cb_ident,
-		.minorversion = cb->cb_clp->cl_minorversion,
-	};
-
-	encode_cb_compound4args(xdr, &hdr);
-	encode_cb_sequence4args(xdr, cb, &hdr);
-	encode_cb_getattr4args(xdr, &hdr, ncf);
-	encode_cb_nops(&hdr);
-}
-
-/*
  * 20.2. Operation 4: CB_RECALL - Recall a Delegation
  */
 static void nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, struct xdr_stream *xdr,
@@ -606,42 +548,6 @@ static int nfs4_xdr_dec_cb_null(struct rpc_rqst *req, struct xdr_stream *xdr,
 }
 
 /*
- * 20.1.  Operation 3: CB_GETATTR - Get Attributes
- */
-static int nfs4_xdr_dec_cb_getattr(struct rpc_rqst *rqstp,
-				  struct xdr_stream *xdr,
-				  void *data)
-{
-	struct nfsd4_callback *cb = data;
-	struct nfs4_cb_compound_hdr hdr;
-	int status;
-	u32 bitmap[3] = {0};
-	u32 attrlen;
-	struct nfs4_cb_fattr *ncf =
-		container_of(cb, struct nfs4_cb_fattr, ncf_getattr);
-
-	status = decode_cb_compound4res(xdr, &hdr);
-	if (unlikely(status))
-		return status;
-
-	status = decode_cb_sequence4res(xdr, cb);
-	if (unlikely(status || cb->cb_seq_status))
-		return status;
-
-	status = decode_cb_op_status(xdr, OP_CB_GETATTR, &cb->cb_status);
-	if (status)
-		return status;
-	if (xdr_stream_decode_uint32_array(xdr, bitmap, 3) < 0)
-		return -NFSERR_BAD_XDR;
-	if (xdr_stream_decode_u32(xdr, &attrlen) < 0)
-		return -NFSERR_BAD_XDR;
-	if (attrlen > (sizeof(ncf->ncf_cb_change) + sizeof(ncf->ncf_cb_fsize)))
-		return -NFSERR_BAD_XDR;
-	status = decode_cb_fattr4(xdr, bitmap, ncf);
-	return status;
-}
-
-/*
  * 20.2. Operation 4: CB_RECALL - Recall a Delegation
  */
 static int nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp,
@@ -949,7 +855,6 @@ static const struct rpc_procinfo nfs4_cb_procedures[] = {
 	PROC(CB_NOTIFY_LOCK,	COMPOUND,	cb_notify_lock,	cb_notify_lock),
 	PROC(CB_OFFLOAD,	COMPOUND,	cb_offload,	cb_offload),
 	PROC(CB_RECALL_ANY,	COMPOUND,	cb_recall_any,	cb_recall_any),
-	PROC(CB_GETATTR,	COMPOUND,	cb_getattr,	cb_getattr),
 };
 
 static unsigned int nfs4_cb_counts[ARRAY_SIZE(nfs4_cb_procedures)];