6 files changed, 1 insertions, 225 deletions

diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 25ba9e0e6fff..3e1f1afc6db4 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -532,7 +532,7 @@ bl_set_layoutdriver(struct nfs_server *server, const struct nfs_fh *fh)
 		return -EINVAL;
 	}
 
-	return nfs4_deviceid_getdevicelist(server, fh);
+	return 0;
 }
 
 static bool
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 47fa67a3a8cf..0b711227cfa5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7808,54 +7808,6 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
 	return status;
 }
 
-/*
- * Retrieve the list of Data Server devices from the MDS.
- */
-static int _nfs4_getdevicelist(struct nfs_server *server,
-				    const struct nfs_fh *fh,
-				    struct pnfs_devicelist *devlist)
-{
-	struct nfs4_getdevicelist_args args = {
-		.fh = fh,
-		.layoutclass = server->pnfs_curr_ld->id,
-	};
-	struct nfs4_getdevicelist_res res = {
-		.devlist = devlist,
-	};
-	struct rpc_message msg = {
-		.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_GETDEVICELIST],
-		.rpc_argp = &args,
-		.rpc_resp = &res,
-	};
-	int status;
-
-	dprintk("--> %s\n", __func__);
-	status = nfs4_call_sync(server->client, server, &msg, &args.seq_args,
-				&res.seq_res, 0);
-	dprintk("<-- %s status=%d\n", __func__, status);
-	return status;
-}
-
-int nfs4_proc_getdevicelist(struct nfs_server *server,
-			    const struct nfs_fh *fh,
-			    struct pnfs_devicelist *devlist)
-{
-	struct nfs4_exception exception = { };
-	int err;
-
-	do {
-		err = nfs4_handle_exception(server,
-				_nfs4_getdevicelist(server, fh, devlist),
-				&exception);
-	} while (exception.retry);
-
-	dprintk("%s: err=%d, num_devs=%u\n", __func__,
-		err, devlist->num_devs);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(nfs4_proc_getdevicelist);
-
 static int
 _nfs4_proc_getdeviceinfo(struct nfs_server *server,
 		struct pnfs_device *pdev,
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index f2cd957adb90..b8165eab0a32 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -362,17 +362,6 @@ static int nfs4_stat_to_errno(int);
 				XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
 #define encode_reclaim_complete_maxsz	(op_encode_hdr_maxsz + 4)
 #define decode_reclaim_complete_maxsz	(op_decode_hdr_maxsz + 4)
-#define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
-				encode_verifier_maxsz)
-#define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
-				2 /* nfs_cookie4 gdlr_cookie */ + \
-				decode_verifier_maxsz \
-				  /* verifier4 gdlr_verifier */ + \
-				1 /* gdlr_deviceid_list count */ + \
-				XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
-					    NFS4_DEVICEID4_SIZE) \
-				  /* gdlr_deviceid_list */ + \
-				1 /* bool gdlr_eof */)
 #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
 				XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
 #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
@@ -812,14 +801,6 @@ static int nfs4_stat_to_errno(int);
 #define NFS4_dec_reclaim_complete_sz	(compound_decode_hdr_maxsz + \
 					 decode_sequence_maxsz + \
 					 decode_reclaim_complete_maxsz)
-#define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
-				encode_sequence_maxsz + \
-				encode_putfh_maxsz + \
-				encode_getdevicelist_maxsz)
-#define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
-				decode_sequence_maxsz + \
-				decode_putfh_maxsz + \
-				decode_getdevicelist_maxsz)
 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz +    \
 				encode_sequence_maxsz +\
 				encode_getdeviceinfo_maxsz)
@@ -1930,24 +1911,6 @@ static void encode_sequence(struct xdr_stream *xdr,
 
 #ifdef CONFIG_NFS_V4_1
 static void
-encode_getdevicelist(struct xdr_stream *xdr,
-		     const struct nfs4_getdevicelist_args *args,
-		     struct compound_hdr *hdr)
-{
-	__be32 *p;
-	nfs4_verifier dummy = {
-		.data = "dummmmmy",
-	};
-
-	encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr);
-	p = reserve_space(xdr, 16);
-	*p++ = cpu_to_be32(args->layoutclass);
-	*p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM);
-	xdr_encode_hyper(p, 0ULL);                          /* cookie */
-	encode_nfs4_verifier(xdr, &dummy);
-}
-
-static void
 encode_getdeviceinfo(struct xdr_stream *xdr,
 		     const struct nfs4_getdeviceinfo_args *args,
 		     struct compound_hdr *hdr)
@@ -2901,24 +2864,6 @@ static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req,
 }
 
 /*
- * Encode GETDEVICELIST request
- */
-static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req,
-				       struct xdr_stream *xdr,
-				       struct nfs4_getdevicelist_args *args)
-{
-	struct compound_hdr hdr = {
-		.minorversion = nfs4_xdr_minorversion(&args->seq_args),
-	};
-
-	encode_compound_hdr(xdr, req, &hdr);
-	encode_sequence(xdr, &args->seq_args, &hdr);
-	encode_putfh(xdr, args->fh, &hdr);
-	encode_getdevicelist(xdr, args, &hdr);
-	encode_nops(&hdr);
-}
-
-/*
  * Encode GETDEVICEINFO request
  */
 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req,
@@ -5773,54 +5718,6 @@ out_overflow:
 }
 
 #if defined(CONFIG_NFS_V4_1)
-/*
- * TODO: Need to handle case when EOF != true;
- */
-static int decode_getdevicelist(struct xdr_stream *xdr,
-				struct pnfs_devicelist *res)
-{
-	__be32 *p;
-	int status, i;
-	nfs4_verifier verftemp;
-
-	status = decode_op_hdr(xdr, OP_GETDEVICELIST);
-	if (status)
-		return status;
-
-	p = xdr_inline_decode(xdr, 8 + 8 + 4);
-	if (unlikely(!p))
-		goto out_overflow;
-
-	/* TODO: Skip cookie for now */
-	p += 2;
-
-	/* Read verifier */
-	p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE);
-
-	res->num_devs = be32_to_cpup(p);
-
-	dprintk("%s: num_dev %d\n", __func__, res->num_devs);
-
-	if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) {
-		printk(KERN_ERR "NFS: %s too many result dev_num %u\n",
-				__func__, res->num_devs);
-		return -EIO;
-	}
-
-	p = xdr_inline_decode(xdr,
-			      res->num_devs * NFS4_DEVICEID4_SIZE + 4);
-	if (unlikely(!p))
-		goto out_overflow;
-	for (i = 0; i < res->num_devs; i++)
-		p = xdr_decode_opaque_fixed(p, res->dev_id[i].data,
-					    NFS4_DEVICEID4_SIZE);
-	res->eof = be32_to_cpup(p);
-	return 0;
-out_overflow:
-	print_overflow_msg(__func__, xdr);
-	return -EIO;
-}
-
 static int decode_getdeviceinfo(struct xdr_stream *xdr,
 				struct pnfs_device *pdev)
 {
@@ -7105,32 +7002,6 @@ static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp,
 }
 
 /*
- * Decode GETDEVICELIST response
- */
-static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp,
-				      struct xdr_stream *xdr,
-				      struct nfs4_getdevicelist_res *res)
-{
-	struct compound_hdr hdr;
-	int status;
-
-	dprintk("encoding getdevicelist!\n");
-
-	status = decode_compound_hdr(xdr, &hdr);
-	if (status != 0)
-		goto out;
-	status = decode_sequence(xdr, &res->seq_res, rqstp);
-	if (status != 0)
-		goto out;
-	status = decode_putfh(xdr);
-	if (status != 0)
-		goto out;
-	status = decode_getdevicelist(xdr, res->devlist);
-out:
-	return status;
-}
-
-/*
  * Decode GETDEVINFO response
  */
 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp,
@@ -7498,7 +7369,6 @@ struct rpc_procinfo	nfs4_procedures[] = {
 	PROC(SECINFO_NO_NAME,	enc_secinfo_no_name,	dec_secinfo_no_name),
 	PROC(TEST_STATEID,	enc_test_stateid,	dec_test_stateid),
 	PROC(FREE_STATEID,	enc_free_stateid,	dec_free_stateid),
-	PROC(GETDEVICELIST,	enc_getdevicelist,	dec_getdevicelist),
 	PROC(BIND_CONN_TO_SESSION,
 			enc_bind_conn_to_session, dec_bind_conn_to_session),
 	PROC(DESTROY_CLIENTID,	enc_destroy_clientid,	dec_destroy_clientid),
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index d84fe29fc88b..b10f12fc6818 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -180,9 +180,6 @@ extern int pnfs_register_layoutdriver(struct pnfs_layoutdriver_type *);
 extern void pnfs_unregister_layoutdriver(struct pnfs_layoutdriver_type *);
 
 /* nfs4proc.c */
-extern int nfs4_proc_getdevicelist(struct nfs_server *server,
-				   const struct nfs_fh *fh,
-				   struct pnfs_devicelist *devlist);
 extern int nfs4_proc_getdeviceinfo(struct nfs_server *server,
 				   struct pnfs_device *dev,
 				   struct rpc_cred *cred);
@@ -277,8 +274,6 @@ bool nfs4_put_deviceid_node(struct nfs4_deviceid_node *);
 void nfs4_mark_deviceid_unavailable(struct nfs4_deviceid_node *node);
 bool nfs4_test_deviceid_unavailable(struct nfs4_deviceid_node *node);
 void nfs4_deviceid_purge_client(const struct nfs_client *);
-int nfs4_deviceid_getdevicelist(struct nfs_server *server,
-		const struct nfs_fh *fh);
 
 static inline struct nfs4_deviceid_node *
 nfs4_get_deviceid(struct nfs4_deviceid_node *d)
diff --git a/fs/nfs/pnfs_dev.c b/fs/nfs/pnfs_dev.c
index 82c2836fdb38..aa2ec0015183 100644
--- a/fs/nfs/pnfs_dev.c
+++ b/fs/nfs/pnfs_dev.c
@@ -358,33 +358,3 @@ nfs4_deviceid_mark_client_invalid(struct nfs_client *clp)
 	}
 	rcu_read_unlock();
 }
-
-int
-nfs4_deviceid_getdevicelist(struct nfs_server *server,
-		const struct nfs_fh *fh)
-{
-	struct pnfs_devicelist *dlist;
-	struct nfs4_deviceid_node *d;
-	int error = 0, i;
-
-	dlist = kzalloc(sizeof(struct pnfs_devicelist), GFP_NOFS);
-	if (!dlist)
-		return -ENOMEM;
-
-	while (!dlist->eof) {
-		error = nfs4_proc_getdevicelist(server, fh, dlist);
-		if (error)
-			break;
-
-		for (i = 0; i < dlist->num_devs; i++) {
-			d = nfs4_find_get_deviceid(server, &dlist->dev_id[i],
-					NULL, GFP_NOFS);
-			if (d)
-				nfs4_put_deviceid_node(d);
-		}
-	}
-
-	kfree(dlist);
-	return error;
-}
-EXPORT_SYMBOL_GPL(nfs4_deviceid_getdevicelist);
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index f4092c6b90fb..7ae249ccb78d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -252,17 +252,6 @@ struct nfs4_layoutget {
 	gfp_t gfp_flags;
 };
 
-struct nfs4_getdevicelist_args {
-	struct nfs4_sequence_args seq_args;
-	const struct nfs_fh *fh;
-	u32 layoutclass;
-};
-
-struct nfs4_getdevicelist_res {
-	struct nfs4_sequence_res seq_res;
-	struct pnfs_devicelist *devlist;
-};
-
 struct nfs4_getdeviceinfo_args {
 	struct nfs4_sequence_args seq_args;
 	struct pnfs_device *pdev;