1 files changed, 15 insertions, 2 deletions

diff --git a/fs/nfs/nfs4filelayout.h b/fs/nfs/nfs4filelayout.h
index cebe01e3795..2e42284253f 100644
--- a/fs/nfs/nfs4filelayout.h
+++ b/fs/nfs/nfs4filelayout.h
@@ -47,10 +47,17 @@ enum stripetype4 {
 };
 
 /* Individual ip address */
+struct nfs4_pnfs_ds_addr {
+        struct sockaddr_storage da_addr;
+        size_t                  da_addrlen;
+        struct list_head        da_node;  /* nfs4_pnfs_dev_hlist dev_dslist */
+        char                    *da_remotestr;  /* human readable addr+port */
+};
+
 struct nfs4_pnfs_ds {
         struct list_head        ds_node;  /* nfs4_pnfs_dev_hlist dev_dslist */
-        u32                     ds_ip_addr;
-        u32                     ds_port;
+        char                    *ds_remotestr;  /* comma sep list of addrs */
+        struct list_head        ds_addrs;
         struct nfs_client       *ds_clp;
         atomic_t                ds_count;
 };
@@ -89,6 +96,12 @@ FILELAYOUT_LSEG(struct pnfs_layout_segment *lseg)
                             generic_hdr);
 }
 
+static inline struct nfs4_deviceid_node *
+FILELAYOUT_DEVID_NODE(struct pnfs_layout_segment *lseg)
+{
+        return &FILELAYOUT_LSEG(lseg)->dsaddr->id_node;
+}
+
 extern struct nfs_fh *
 nfs4_fl_select_ds_fh(struct pnfs_layout_segment *lseg, u32 j);