Cleanup XDR parsing for LAYOUTGET, GETDEVICEINFO

changes LAYOUTGET and GETDEVICEINFO XDR parsing to:
 - not use vmap, which doesn't work on incoherent archs
 - use xdr_stream parsing for all xdr

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 84f3585c5728..a6e21b10f43d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -190,8 +190,9 @@ struct nfs4_get_lease_time_res {
 #define PNFS_LAYOUT_MAXSIZE 4096
 
 struct nfs4_layoutdriver_data {
+        struct page **pages;
+        __u32 pglen;
         __u32 len;
-        void *buf;
 };
 
 struct pnfs_layout_range {
@@ -209,6 +210,7 @@ struct nfs4_layoutget_args {
         struct nfs_open_context *ctx;
         struct nfs4_sequence_args seq_args;
         nfs4_stateid stateid;
+        struct nfs4_layoutdriver_data layout;
 };
 
 struct nfs4_layoutget_res {
@@ -216,8 +218,8 @@ struct nfs4_layoutget_res {
         struct pnfs_layout_range range;
         __u32 type;
         nfs4_stateid stateid;
-        struct nfs4_layoutdriver_data layout;
         struct nfs4_sequence_res seq_res;
+        struct nfs4_layoutdriver_data *layoutp;
 };
 
 struct nfs4_layoutget {