protocol: allow extra data in all the 'fops' over wire

Change-Id: I3920c68b5b317fc4a4acfd26d64d900bf7bd59d1
BUG: 782265
Signed-off-by: Amar Tumballi <amar@gluster.com>
Reviewed-on: http://review.gluster.com/2511
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>

3 files changed, 547 insertions, 1 deletions

diff --git a/rpc/xdr/src/glusterfs3-xdr.c b/rpc/xdr/src/glusterfs3-xdr.c
index a0c6f0b0edd..8cfb42dc8d0 100644
--- a/rpc/xdr/src/glusterfs3-xdr.c
+++ b/rpc/xdr/src/glusterfs3-xdr.c
@@ -251,6 +251,8 @@ xdr_gfs3_stat_req (XDR *xdrs, gfs3_stat_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -266,6 +268,8 @@ xdr_gfs3_stat_rsp (XDR *xdrs, gfs3_stat_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->stat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -281,6 +285,8 @@ xdr_gfs3_readlink_req (XDR *xdrs, gfs3_readlink_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -298,6 +304,8 @@ xdr_gfs3_readlink_rsp (XDR *xdrs, gfs3_readlink_rsp *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -319,6 +327,8 @@ xdr_gfs3_mknod_req (XDR *xdrs, gfs3_mknod_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -338,6 +348,8 @@ xdr_gfs3_mknod_rsp (XDR *xdrs, gfs3_mknod_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -357,6 +369,8 @@ xdr_gfs3_mkdir_req (XDR *xdrs, gfs3_mkdir_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -376,6 +390,8 @@ xdr_gfs3_mkdir_rsp (XDR *xdrs, gfs3_mkdir_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -391,6 +407,8 @@ xdr_gfs3_unlink_req (XDR *xdrs, gfs3_unlink_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->bname, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -408,6 +426,8 @@ xdr_gfs3_unlink_rsp (XDR *xdrs, gfs3_unlink_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -425,6 +445,8 @@ xdr_gfs3_rmdir_req (XDR *xdrs, gfs3_rmdir_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->bname, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -442,6 +464,8 @@ xdr_gfs3_rmdir_rsp (XDR *xdrs, gfs3_rmdir_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -461,6 +485,8 @@ xdr_gfs3_symlink_req (XDR *xdrs, gfs3_symlink_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -480,6 +506,8 @@ xdr_gfs3_symlink_rsp (XDR *xdrs, gfs3_symlink_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -501,6 +529,8 @@ xdr_gfs3_rename_req (XDR *xdrs, gfs3_rename_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->newbname, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -524,6 +554,8 @@ xdr_gfs3_rename_rsp (XDR *xdrs, gfs3_rename_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postnewparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -543,6 +575,8 @@ xdr_gfs3_link_req (XDR *xdrs, gfs3_link_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->newbname, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -562,6 +596,8 @@ xdr_gfs3_link_rsp (XDR *xdrs, gfs3_link_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -577,6 +613,8 @@ xdr_gfs3_truncate_req (XDR *xdrs, gfs3_truncate_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -594,6 +632,8 @@ xdr_gfs3_truncate_rsp (XDR *xdrs, gfs3_truncate_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->poststat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -611,6 +651,8 @@ xdr_gfs3_open_req (XDR *xdrs, gfs3_open_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -626,6 +668,8 @@ xdr_gfs3_open_rsp (XDR *xdrs, gfs3_open_rsp *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -643,6 +687,8 @@ xdr_gfs3_read_req (XDR *xdrs, gfs3_read_req *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->size))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -660,6 +706,8 @@ xdr_gfs3_read_rsp (XDR *xdrs, gfs3_read_rsp *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->size))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -681,6 +729,8 @@ xdr_gfs3_lookup_req (XDR *xdrs, gfs3_lookup_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -700,6 +750,8 @@ xdr_gfs3_lookup_rsp (XDR *xdrs, gfs3_lookup_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -717,6 +769,8 @@ xdr_gfs3_write_req (XDR *xdrs, gfs3_write_req *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->size))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -734,6 +788,8 @@ xdr_gfs3_write_rsp (XDR *xdrs, gfs3_write_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->poststat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -747,6 +803,8 @@ xdr_gfs3_statfs_req (XDR *xdrs, gfs3_statfs_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -762,6 +820,8 @@ xdr_gfs3_statfs_rsp (XDR *xdrs, gfs3_statfs_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_statfs (xdrs, &objp->statfs))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -781,6 +841,8 @@ xdr_gfs3_lk_req (XDR *xdrs, gfs3_lk_req *objp)
 		 return FALSE;
 	 if (!xdr_gf_proto_flock (xdrs, &objp->flock))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -796,6 +858,8 @@ xdr_gfs3_lk_rsp (XDR *xdrs, gfs3_lk_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_proto_flock (xdrs, &objp->flock))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -817,6 +881,8 @@ xdr_gfs3_inodelk_req (XDR *xdrs, gfs3_inodelk_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->volume, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -838,6 +904,8 @@ xdr_gfs3_finodelk_req (XDR *xdrs, gfs3_finodelk_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->volume, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -851,6 +919,8 @@ xdr_gfs3_flush_req (XDR *xdrs, gfs3_flush_req *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -866,6 +936,8 @@ xdr_gfs3_fsync_req (XDR *xdrs, gfs3_fsync_req *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->data))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -883,6 +955,8 @@ xdr_gfs3_fsync_rsp (XDR *xdrs, gfs3_fsync_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->poststat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -900,6 +974,8 @@ xdr_gfs3_setxattr_req (XDR *xdrs, gfs3_setxattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -917,6 +993,8 @@ xdr_gfs3_fsetxattr_req (XDR *xdrs, gfs3_fsetxattr_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -934,6 +1012,8 @@ xdr_gfs3_xattrop_req (XDR *xdrs, gfs3_xattrop_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -949,6 +1029,8 @@ xdr_gfs3_xattrop_rsp (XDR *xdrs, gfs3_xattrop_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -966,6 +1048,8 @@ xdr_gfs3_fxattrop_req (XDR *xdrs, gfs3_fxattrop_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -981,6 +1065,8 @@ xdr_gfs3_fxattrop_rsp (XDR *xdrs, gfs3_fxattrop_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -998,6 +1084,8 @@ xdr_gfs3_getxattr_req (XDR *xdrs, gfs3_getxattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->name, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1013,6 +1101,8 @@ xdr_gfs3_getxattr_rsp (XDR *xdrs, gfs3_getxattr_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1030,6 +1120,8 @@ xdr_gfs3_fgetxattr_req (XDR *xdrs, gfs3_fgetxattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->name, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1045,6 +1137,8 @@ xdr_gfs3_fgetxattr_rsp (XDR *xdrs, gfs3_fgetxattr_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1060,6 +1154,8 @@ xdr_gfs3_removexattr_req (XDR *xdrs, gfs3_removexattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->name, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1075,6 +1171,8 @@ xdr_gfs3_fremovexattr_req (XDR *xdrs, gfs3_fremovexattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->name, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1088,6 +1186,8 @@ xdr_gfs3_opendir_req (XDR *xdrs, gfs3_opendir_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1103,6 +1203,8 @@ xdr_gfs3_opendir_rsp (XDR *xdrs, gfs3_opendir_rsp *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1118,6 +1220,8 @@ xdr_gfs3_fsyncdir_req (XDR *xdrs, gfs3_fsyncdir_req *objp)
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->data))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1135,6 +1239,8 @@ xdr_gfs3_readdir_req (XDR *xdrs, gfs3_readdir_req *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->size))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1195,6 +1301,8 @@ xdr_gfs3_access_req (XDR *xdrs, gfs3_access_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1216,6 +1324,8 @@ xdr_gfs3_create_req (XDR *xdrs, gfs3_create_req *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1237,6 +1347,8 @@ xdr_gfs3_create_rsp (XDR *xdrs, gfs3_create_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->postparent))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1252,6 +1364,8 @@ xdr_gfs3_ftruncate_req (XDR *xdrs, gfs3_ftruncate_req *objp)
 		 return FALSE;
 	 if (!xdr_u_quad_t (xdrs, &objp->offset))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1269,6 +1383,8 @@ xdr_gfs3_ftruncate_rsp (XDR *xdrs, gfs3_ftruncate_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->poststat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1282,6 +1398,8 @@ xdr_gfs3_fstat_req (XDR *xdrs, gfs3_fstat_req *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1297,6 +1415,8 @@ xdr_gfs3_fstat_rsp (XDR *xdrs, gfs3_fstat_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->stat))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1320,6 +1440,8 @@ xdr_gfs3_entrylk_req (XDR *xdrs, gfs3_entrylk_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->volume, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1343,6 +1465,8 @@ xdr_gfs3_fentrylk_req (XDR *xdrs, gfs3_fentrylk_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->volume, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1360,6 +1484,8 @@ xdr_gfs3_setattr_req (XDR *xdrs, gfs3_setattr_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->path, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1377,6 +1503,8 @@ xdr_gfs3_setattr_rsp (XDR *xdrs, gfs3_setattr_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->statpost))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1392,6 +1520,8 @@ xdr_gfs3_fsetattr_req (XDR *xdrs, gfs3_fsetattr_req *objp)
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->valid))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1409,6 +1539,8 @@ xdr_gfs3_fsetattr_rsp (XDR *xdrs, gfs3_fsetattr_rsp *objp)
 		 return FALSE;
 	 if (!xdr_gf_iatt (xdrs, &objp->statpost))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1424,6 +1556,8 @@ xdr_gfs3_rchecksum_req (XDR *xdrs, gfs3_rchecksum_req *objp)
 		 return FALSE;
 	 if (!xdr_u_int (xdrs, &objp->len))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1451,6 +1585,8 @@ xdr_gfs3_rchecksum_rsp (XDR *xdrs, gfs3_rchecksum_rsp *objp)
 		}
 		 if (!xdr_bytes (xdrs, (char **)&objp->strong_checksum.strong_checksum_val, (u_int *) &objp->strong_checksum.strong_checksum_len, ~0))
 			 return FALSE;
+		 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+			 return FALSE;
 		return TRUE;
 	} else if (xdrs->x_op == XDR_DECODE) {
 		buf = XDR_INLINE (xdrs, 3 * BYTES_PER_XDR_UNIT);
@@ -1469,6 +1605,8 @@ xdr_gfs3_rchecksum_rsp (XDR *xdrs, gfs3_rchecksum_rsp *objp)
 		}
 		 if (!xdr_bytes (xdrs, (char **)&objp->strong_checksum.strong_checksum_val, (u_int *) &objp->strong_checksum.strong_checksum_len, ~0))
 			 return FALSE;
+		 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+			 return FALSE;
 	 return TRUE;
 	}
 
@@ -1480,6 +1618,8 @@ xdr_gfs3_rchecksum_rsp (XDR *xdrs, gfs3_rchecksum_rsp *objp)
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->strong_checksum.strong_checksum_val, (u_int *) &objp->strong_checksum.strong_checksum_len, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1493,6 +1633,8 @@ xdr_gf_getspec_req (XDR *xdrs, gf_getspec_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->key, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1508,6 +1650,8 @@ xdr_gf_getspec_rsp (XDR *xdrs, gf_getspec_rsp *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->spec, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1532,6 +1676,8 @@ xdr_gf_notify_req (XDR *xdrs, gf_notify_req *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->buf, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1559,6 +1705,8 @@ xdr_gf_notify_rsp (XDR *xdrs, gf_notify_rsp *objp)
 		}
 		 if (!xdr_string (xdrs, &objp->buf, ~0))
 			 return FALSE;
+		 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+			 return FALSE;
 		return TRUE;
 	} else if (xdrs->x_op == XDR_DECODE) {
 		buf = XDR_INLINE (xdrs, 3 * BYTES_PER_XDR_UNIT);
@@ -1577,6 +1725,8 @@ xdr_gf_notify_rsp (XDR *xdrs, gf_notify_rsp *objp)
 		}
 		 if (!xdr_string (xdrs, &objp->buf, ~0))
 			 return FALSE;
+		 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+			 return FALSE;
 	 return TRUE;
 	}
 
@@ -1588,6 +1738,8 @@ xdr_gf_notify_rsp (XDR *xdrs, gf_notify_rsp *objp)
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->buf, ~0))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1601,6 +1753,8 @@ xdr_gfs3_releasedir_req (XDR *xdrs, gfs3_releasedir_req *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1614,6 +1768,8 @@ xdr_gfs3_release_req (XDR *xdrs, gfs3_release_req *objp)
 		 return FALSE;
 	 if (!xdr_quad_t (xdrs, &objp->fd))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1627,6 +1783,8 @@ xdr_gf_common_rsp (XDR *xdrs, gf_common_rsp *objp)
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1663,6 +1821,8 @@ xdr_gfs3_readdir_rsp (XDR *xdrs, gfs3_readdir_rsp *objp)
 		 return FALSE;
 	 if (!xdr_pointer (xdrs, (char **)&objp->reply, sizeof (gfs3_dirlist), (xdrproc_t) xdr_gfs3_dirlist))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
 
@@ -1703,5 +1863,7 @@ xdr_gfs3_readdirp_rsp (XDR *xdrs, gfs3_readdirp_rsp *objp)
 		 return FALSE;
 	 if (!xdr_pointer (xdrs, (char **)&objp->reply, sizeof (gfs3_dirplist), (xdrproc_t) xdr_gfs3_dirplist))
 		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->xdata.xdata_val, (u_int *) &objp->xdata.xdata_len, ~0))
+		 return FALSE;
 	return TRUE;
 }
diff --git a/rpc/xdr/src/glusterfs3-xdr.h b/rpc/xdr/src/glusterfs3-xdr.h
index 156608ff314..76b28b7491c 100644
--- a/rpc/xdr/src/glusterfs3-xdr.h
+++ b/rpc/xdr/src/glusterfs3-xdr.h
@@ -94,6 +94,10 @@ typedef struct gf_iatt gf_iatt;
 struct gfs3_stat_req {
 	char gfid[16];
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_stat_req gfs3_stat_req;
 
@@ -101,6 +105,10 @@ struct gfs3_stat_rsp {
 	int op_ret;
 	int op_errno;
 	struct gf_iatt stat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_stat_rsp gfs3_stat_rsp;
 
@@ -108,6 +116,10 @@ struct gfs3_readlink_req {
 	char gfid[16];
 	u_int size;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_readlink_req gfs3_readlink_req;
 
@@ -116,6 +128,10 @@ struct gfs3_readlink_rsp {
 	int op_errno;
 	struct gf_iatt buf;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_readlink_rsp gfs3_readlink_rsp;
 
@@ -129,6 +145,10 @@ struct gfs3_mknod_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_mknod_req gfs3_mknod_req;
 
@@ -138,6 +158,10 @@ struct gfs3_mknod_rsp {
 	struct gf_iatt stat;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_mknod_rsp gfs3_mknod_rsp;
 
@@ -150,6 +174,10 @@ struct gfs3_mkdir_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_mkdir_req gfs3_mkdir_req;
 
@@ -159,6 +187,10 @@ struct gfs3_mkdir_rsp {
 	struct gf_iatt stat;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_mkdir_rsp gfs3_mkdir_rsp;
 
@@ -166,6 +198,10 @@ struct gfs3_unlink_req {
 	char pargfid[16];
 	char *path;
 	char *bname;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_unlink_req gfs3_unlink_req;
 
@@ -174,6 +210,10 @@ struct gfs3_unlink_rsp {
 	int op_errno;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_unlink_rsp gfs3_unlink_rsp;
 
@@ -182,6 +222,10 @@ struct gfs3_rmdir_req {
 	int flags;
 	char *path;
 	char *bname;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rmdir_req gfs3_rmdir_req;
 
@@ -190,6 +234,10 @@ struct gfs3_rmdir_rsp {
 	int op_errno;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rmdir_rsp gfs3_rmdir_rsp;
 
@@ -202,6 +250,10 @@ struct gfs3_symlink_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_symlink_req gfs3_symlink_req;
 
@@ -211,6 +263,10 @@ struct gfs3_symlink_rsp {
 	struct gf_iatt stat;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_symlink_rsp gfs3_symlink_rsp;
 
@@ -221,6 +277,10 @@ struct gfs3_rename_req {
 	char *oldbname;
 	char *newpath;
 	char *newbname;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rename_req gfs3_rename_req;
 
@@ -232,6 +292,10 @@ struct gfs3_rename_rsp {
 	struct gf_iatt postoldparent;
 	struct gf_iatt prenewparent;
 	struct gf_iatt postnewparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rename_rsp gfs3_rename_rsp;
 
@@ -241,6 +305,10 @@ struct gfs3_link_req {
 	char *oldpath;
 	char *newpath;
 	char *newbname;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_link_req gfs3_link_req;
 
@@ -250,6 +318,10 @@ struct gfs3_link_rsp {
 	struct gf_iatt stat;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_link_rsp gfs3_link_rsp;
 
@@ -257,6 +329,10 @@ struct gfs3_truncate_req {
 	char gfid[16];
 	u_quad_t offset;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_truncate_req gfs3_truncate_req;
 
@@ -265,6 +341,10 @@ struct gfs3_truncate_rsp {
 	int op_errno;
 	struct gf_iatt prestat;
 	struct gf_iatt poststat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_truncate_rsp gfs3_truncate_rsp;
 
@@ -273,6 +353,10 @@ struct gfs3_open_req {
 	u_int flags;
 	u_int wbflags;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_open_req gfs3_open_req;
 
@@ -280,6 +364,10 @@ struct gfs3_open_rsp {
 	int op_ret;
 	int op_errno;
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_open_rsp gfs3_open_rsp;
 
@@ -288,6 +376,10 @@ struct gfs3_read_req {
 	quad_t fd;
 	u_quad_t offset;
 	u_int size;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_read_req gfs3_read_req;
 
@@ -296,6 +388,10 @@ struct gfs3_read_rsp {
 	int op_errno;
 	struct gf_iatt stat;
 	u_int size;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_read_rsp gfs3_read_rsp;
 
@@ -309,6 +405,10 @@ struct gfs3_lookup_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_lookup_req gfs3_lookup_req;
 
@@ -321,6 +421,10 @@ struct gfs3_lookup_rsp {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_lookup_rsp gfs3_lookup_rsp;
 
@@ -329,6 +433,10 @@ struct gfs3_write_req {
 	quad_t fd;
 	u_quad_t offset;
 	u_int size;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_write_req gfs3_write_req;
 
@@ -337,12 +445,20 @@ struct gfs3_write_rsp {
 	int op_errno;
 	struct gf_iatt prestat;
 	struct gf_iatt poststat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_write_rsp gfs3_write_rsp;
 
 struct gfs3_statfs_req {
 	char gfid[16];
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_statfs_req gfs3_statfs_req;
 
@@ -350,6 +466,10 @@ struct gfs3_statfs_rsp {
 	int op_ret;
 	int op_errno;
 	struct gf_statfs statfs;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_statfs_rsp gfs3_statfs_rsp;
 
@@ -359,6 +479,10 @@ struct gfs3_lk_req {
 	u_int cmd;
 	u_int type;
 	struct gf_proto_flock flock;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_lk_req gfs3_lk_req;
 
@@ -366,6 +490,10 @@ struct gfs3_lk_rsp {
 	int op_ret;
 	int op_errno;
 	struct gf_proto_flock flock;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_lk_rsp gfs3_lk_rsp;
 
@@ -376,6 +504,10 @@ struct gfs3_inodelk_req {
 	struct gf_proto_flock flock;
 	char *path;
 	char *volume;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_inodelk_req gfs3_inodelk_req;
 
@@ -386,12 +518,20 @@ struct gfs3_finodelk_req {
 	u_int type;
 	struct gf_proto_flock flock;
 	char *volume;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_finodelk_req gfs3_finodelk_req;
 
 struct gfs3_flush_req {
 	char gfid[16];
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_flush_req gfs3_flush_req;
 
@@ -399,6 +539,10 @@ struct gfs3_fsync_req {
 	char gfid[16];
 	quad_t fd;
 	u_int data;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsync_req gfs3_fsync_req;
 
@@ -407,6 +551,10 @@ struct gfs3_fsync_rsp {
 	int op_errno;
 	struct gf_iatt prestat;
 	struct gf_iatt poststat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsync_rsp gfs3_fsync_rsp;
 
@@ -418,6 +566,10 @@ struct gfs3_setxattr_req {
 		char *dict_val;
 	} dict;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_setxattr_req gfs3_setxattr_req;
 
@@ -429,6 +581,10 @@ struct gfs3_fsetxattr_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsetxattr_req gfs3_fsetxattr_req;
 
@@ -440,6 +596,10 @@ struct gfs3_xattrop_req {
 		char *dict_val;
 	} dict;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_xattrop_req gfs3_xattrop_req;
 
@@ -450,6 +610,10 @@ struct gfs3_xattrop_rsp {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_xattrop_rsp gfs3_xattrop_rsp;
 
@@ -461,6 +625,10 @@ struct gfs3_fxattrop_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fxattrop_req gfs3_fxattrop_req;
 
@@ -471,6 +639,10 @@ struct gfs3_fxattrop_rsp {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fxattrop_rsp gfs3_fxattrop_rsp;
 
@@ -479,6 +651,10 @@ struct gfs3_getxattr_req {
 	u_int namelen;
 	char *path;
 	char *name;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_getxattr_req gfs3_getxattr_req;
 
@@ -489,6 +665,10 @@ struct gfs3_getxattr_rsp {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_getxattr_rsp gfs3_getxattr_rsp;
 
@@ -497,6 +677,10 @@ struct gfs3_fgetxattr_req {
 	quad_t fd;
 	u_int namelen;
 	char *name;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fgetxattr_req gfs3_fgetxattr_req;
 
@@ -507,6 +691,10 @@ struct gfs3_fgetxattr_rsp {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fgetxattr_rsp gfs3_fgetxattr_rsp;
 
@@ -514,6 +702,10 @@ struct gfs3_removexattr_req {
 	char gfid[16];
 	char *path;
 	char *name;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_removexattr_req gfs3_removexattr_req;
 
@@ -521,12 +713,20 @@ struct gfs3_fremovexattr_req {
 	char gfid[16];
 	quad_t fd;
 	char *name;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fremovexattr_req gfs3_fremovexattr_req;
 
 struct gfs3_opendir_req {
 	char gfid[16];
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_opendir_req gfs3_opendir_req;
 
@@ -534,6 +734,10 @@ struct gfs3_opendir_rsp {
 	int op_ret;
 	int op_errno;
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_opendir_rsp gfs3_opendir_rsp;
 
@@ -541,6 +745,10 @@ struct gfs3_fsyncdir_req {
 	char gfid[16];
 	quad_t fd;
 	int data;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsyncdir_req gfs3_fsyncdir_req;
 
@@ -549,6 +757,10 @@ struct gfs3_readdir_req {
 	quad_t fd;
 	u_quad_t offset;
 	u_int size;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_readdir_req gfs3_readdir_req;
 
@@ -586,6 +798,10 @@ struct gfs3_access_req {
 	char gfid[16];
 	u_int mask;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_access_req gfs3_access_req;
 
@@ -599,6 +815,10 @@ struct gfs3_create_req {
 		u_int dict_len;
 		char *dict_val;
 	} dict;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_create_req gfs3_create_req;
 
@@ -609,6 +829,10 @@ struct gfs3_create_rsp {
 	u_quad_t fd;
 	struct gf_iatt preparent;
 	struct gf_iatt postparent;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_create_rsp gfs3_create_rsp;
 
@@ -616,6 +840,10 @@ struct gfs3_ftruncate_req {
 	char gfid[16];
 	quad_t fd;
 	u_quad_t offset;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_ftruncate_req gfs3_ftruncate_req;
 
@@ -624,12 +852,20 @@ struct gfs3_ftruncate_rsp {
 	int op_errno;
 	struct gf_iatt prestat;
 	struct gf_iatt poststat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_ftruncate_rsp gfs3_ftruncate_rsp;
 
 struct gfs3_fstat_req {
 	char gfid[16];
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fstat_req gfs3_fstat_req;
 
@@ -637,6 +873,10 @@ struct gfs3_fstat_rsp {
 	int op_ret;
 	int op_errno;
 	struct gf_iatt stat;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fstat_rsp gfs3_fstat_rsp;
 
@@ -648,6 +888,10 @@ struct gfs3_entrylk_req {
 	char *path;
 	char *name;
 	char *volume;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_entrylk_req gfs3_entrylk_req;
 
@@ -659,6 +903,10 @@ struct gfs3_fentrylk_req {
 	u_quad_t namelen;
 	char *name;
 	char *volume;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fentrylk_req gfs3_fentrylk_req;
 
@@ -667,6 +915,10 @@ struct gfs3_setattr_req {
 	struct gf_iatt stbuf;
 	int valid;
 	char *path;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_setattr_req gfs3_setattr_req;
 
@@ -675,6 +927,10 @@ struct gfs3_setattr_rsp {
 	int op_errno;
 	struct gf_iatt statpre;
 	struct gf_iatt statpost;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_setattr_rsp gfs3_setattr_rsp;
 
@@ -682,6 +938,10 @@ struct gfs3_fsetattr_req {
 	quad_t fd;
 	struct gf_iatt stbuf;
 	int valid;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsetattr_req gfs3_fsetattr_req;
 
@@ -690,6 +950,10 @@ struct gfs3_fsetattr_rsp {
 	int op_errno;
 	struct gf_iatt statpre;
 	struct gf_iatt statpost;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_fsetattr_rsp gfs3_fsetattr_rsp;
 
@@ -697,6 +961,10 @@ struct gfs3_rchecksum_req {
 	quad_t fd;
 	u_quad_t offset;
 	u_int len;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rchecksum_req gfs3_rchecksum_req;
 
@@ -708,12 +976,20 @@ struct gfs3_rchecksum_rsp {
 		u_int strong_checksum_len;
 		char *strong_checksum_val;
 	} strong_checksum;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_rchecksum_rsp gfs3_rchecksum_rsp;
 
 struct gf_getspec_req {
 	u_int flags;
 	char *key;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gf_getspec_req gf_getspec_req;
 
@@ -721,6 +997,10 @@ struct gf_getspec_rsp {
 	int op_ret;
 	int op_errno;
 	char *spec;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gf_getspec_rsp gf_getspec_rsp;
 
@@ -735,6 +1015,10 @@ typedef struct gf_log_req gf_log_req;
 struct gf_notify_req {
 	u_int flags;
 	char *buf;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gf_notify_req gf_notify_req;
 
@@ -743,24 +1027,40 @@ struct gf_notify_rsp {
 	int op_errno;
 	u_int flags;
 	char *buf;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gf_notify_rsp gf_notify_rsp;
 
 struct gfs3_releasedir_req {
 	char gfid[16];
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_releasedir_req gfs3_releasedir_req;
 
 struct gfs3_release_req {
 	char gfid[16];
 	quad_t fd;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_release_req gfs3_release_req;
 
 struct gf_common_rsp {
 	int op_ret;
 	int op_errno;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gf_common_rsp gf_common_rsp;
 
@@ -778,6 +1078,10 @@ struct gfs3_readdir_rsp {
 	int op_ret;
 	int op_errno;
 	struct gfs3_dirlist *reply;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_readdir_rsp gfs3_readdir_rsp;
 
@@ -800,6 +1104,10 @@ struct gfs3_readdirp_rsp {
 	int op_ret;
 	int op_errno;
 	struct gfs3_dirplist *reply;
+	struct {
+		u_int xdata_len;
+		char *xdata_val;
+	} xdata;
 };
 typedef struct gfs3_readdirp_rsp gfs3_readdirp_rsp;
 
diff --git a/rpc/xdr/src/glusterfs3-xdr.x b/rpc/xdr/src/glusterfs3-xdr.x
index 88a621034d5..8f8e354a120 100644
--- a/rpc/xdr/src/glusterfs3-xdr.x
+++ b/rpc/xdr/src/glusterfs3-xdr.x
@@ -46,12 +46,13 @@ struct gf_iatt {
 struct gfs3_stat_req {
         opaque gfid[16];
         string         path<>;     /* NULL terminated */
-
+        opaque   xdata<>; /* Extra data */
 };
 struct gfs3_stat_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt stat;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -59,12 +60,14 @@ struct gfs3_readlink_req {
         opaque gfid[16];
 	unsigned int   size;
 	string         path<>;     /* NULL terminated */
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_readlink_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt buf;
         string      path<>; /* NULL terminated */
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -75,6 +78,7 @@ struct gfs3_readlink_req {
 	string     path<>;     /* NULL terminated */
 	string     bname<>; /* NULL terminated */
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 } ;
  struct gfs3_mknod_rsp {
         int    op_ret;
@@ -82,6 +86,7 @@ struct gfs3_readlink_req {
 	struct gf_iatt stat;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -91,6 +96,7 @@ struct gfs3_readlink_req {
 	string     path<>;     /* NULL terminated */
 	string     bname<>; /* NULL terminated */
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 } ;
  struct  gfs3_mkdir_rsp {
         int    op_ret;
@@ -98,6 +104,7 @@ struct gfs3_readlink_req {
 	struct gf_iatt stat;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -105,12 +112,14 @@ struct gfs3_readlink_req {
         opaque  pargfid[16];
 	string     path<>;     /* NULL terminated */
 	string     bname<>; /* NULL terminated */
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_unlink_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -119,12 +128,14 @@ struct gfs3_readlink_req {
         int        flags;
 	string     path<>;
 	string     bname<>; /* NULL terminated */
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_rmdir_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -134,6 +145,7 @@ struct gfs3_readlink_req {
 	string     bname<>;
 	string     linkname<>;
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 };
  struct  gfs3_symlink_rsp {
         int    op_ret;
@@ -141,6 +153,7 @@ struct gfs3_readlink_req {
 	struct gf_iatt stat;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -151,6 +164,7 @@ struct gfs3_readlink_req {
 	string       oldbname<>; /* NULL terminated */
 	string       newpath<>;
 	string       newbname<>; /* NULL terminated */
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_rename_rsp {
         int    op_ret;
@@ -160,6 +174,7 @@ struct gfs3_readlink_req {
         struct gf_iatt postoldparent;
         struct gf_iatt prenewparent;
         struct gf_iatt postnewparent;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -169,6 +184,7 @@ struct gfs3_readlink_req {
 	string       oldpath<>;
 	string       newpath<>;
 	string       newbname<>;
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_link_rsp {
         int    op_ret;
@@ -176,18 +192,21 @@ struct gfs3_readlink_req {
 	struct gf_iatt stat;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 };
 
  struct   gfs3_truncate_req {
         opaque gfid[16];
 	unsigned hyper offset;
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_truncate_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt prestat;
         struct gf_iatt poststat;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -196,11 +215,13 @@ struct gfs3_readlink_req {
 	unsigned int flags;
         unsigned int wbflags;
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_open_rsp {
         int    op_ret;
         int    op_errno;
 	hyper fd;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -209,12 +230,14 @@ struct gfs3_readlink_req {
 	hyper  fd;
 	unsigned hyper offset;
 	unsigned int size;
+        opaque   xdata<>; /* Extra data */
 };
  struct  gfs3_read_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt stat;
         unsigned int size;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 struct   gfs3_lookup_req {
@@ -224,6 +247,7 @@ struct   gfs3_lookup_req {
 	string     path<>;
 	string     bname<>;
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 };
  struct   gfs3_lookup_rsp {
         int    op_ret;
@@ -231,6 +255,7 @@ struct   gfs3_lookup_req {
 	struct gf_iatt stat;
         struct gf_iatt postparent;
 	opaque             dict<>;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -240,23 +265,27 @@ struct   gfs3_lookup_req {
 	hyper  fd;
 	unsigned hyper offset;
 	unsigned int size;
+        opaque   xdata<>; /* Extra data */
 };
  struct gfs3_write_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt prestat;
         struct gf_iatt poststat;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
  struct gfs3_statfs_req  {
         opaque gfid[16];
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_statfs_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_statfs statfs;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_lk_req {
@@ -265,11 +294,13 @@ struct   gfs3_lookup_req {
 	unsigned int        cmd;
 	unsigned int        type;
 	struct gf_proto_flock flock;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_lk_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_proto_flock flock;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_inodelk_req {
@@ -279,6 +310,7 @@ struct   gfs3_lookup_req {
 	struct gf_proto_flock flock;
 	string     path<>;
         string     volume<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 struct   gfs3_finodelk_req {
@@ -288,12 +320,14 @@ struct   gfs3_finodelk_req {
 	unsigned int type;
 	struct gf_proto_flock flock;
         string volume<>;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
  struct gfs3_flush_req {
         opaque gfid[16];
 	hyper  fd;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -301,12 +335,14 @@ struct   gfs3_finodelk_req {
         opaque gfid[16];
 	hyper  fd;
 	unsigned int data;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_fsync_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt prestat;
         struct gf_iatt poststat;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -315,6 +351,7 @@ struct   gfs3_finodelk_req {
 	unsigned int flags;
         opaque     dict<>;
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -324,6 +361,7 @@ struct   gfs3_finodelk_req {
 	hyper  fd;
 	unsigned int flags;
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -333,12 +371,14 @@ struct   gfs3_finodelk_req {
 	unsigned int flags;
         opaque     dict<>;
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_xattrop_rsp  {
         int    op_ret;
         int    op_errno;
 	opaque  dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -347,12 +387,14 @@ struct   gfs3_finodelk_req {
 	hyper  fd;
 	unsigned int flags;
 	opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_fxattrop_rsp  {
         int    op_ret;
         int    op_errno;
 	opaque  dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -361,11 +403,13 @@ struct   gfs3_finodelk_req {
 	unsigned int namelen;
 	string     path<>;
 	string     name<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_getxattr_rsp {
         int    op_ret;
         int    op_errno;
 	opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -374,11 +418,13 @@ struct   gfs3_finodelk_req {
 	hyper  fd;
         unsigned int namelen;
 	string     name<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_fgetxattr_rsp {
         int    op_ret;
         int    op_errno;
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -386,12 +432,14 @@ struct   gfs3_finodelk_req {
         opaque gfid[16];
 	string     path<>;
 	string     name<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_fremovexattr_req {
         opaque gfid[16];
         hyper  fd;
 	string     name<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -399,11 +447,13 @@ struct   gfs3_finodelk_req {
  struct gfs3_opendir_req {
         opaque gfid[16];
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_opendir_rsp {
         int    op_ret;
         int    op_errno;
 	hyper fd;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -411,6 +461,7 @@ struct   gfs3_finodelk_req {
         opaque gfid[16];
 	hyper  fd;
 	int  data;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct   gfs3_readdir_req  {
@@ -418,6 +469,7 @@ struct   gfs3_finodelk_req {
 	hyper  fd;
 	unsigned hyper offset;
 	unsigned int size;
+        opaque   xdata<>; /* Extra data */
 };
 
  struct gfs3_readdirp_req {
@@ -442,6 +494,7 @@ struct gfs3_access_req  {
         opaque gfid[16];
 	unsigned int mask;
 	string     path<>;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -452,6 +505,7 @@ struct gfs3_create_req {
 	string     path<>;
 	string     bname<>;
         opaque     dict<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 struct  gfs3_create_rsp {
         int    op_ret;
@@ -460,6 +514,7 @@ struct  gfs3_create_rsp {
 	unsigned hyper       fd;
         struct gf_iatt preparent;
         struct gf_iatt postparent;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -468,23 +523,27 @@ struct   gfs3_ftruncate_req  {
         opaque gfid[16];
 	hyper  fd;
 	unsigned hyper offset;
+        opaque   xdata<>; /* Extra data */
 } ;
 struct   gfs3_ftruncate_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt prestat;
         struct gf_iatt poststat;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
 struct gfs3_fstat_req {
         opaque gfid[16];
 	hyper  fd;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_fstat_rsp {
         int    op_ret;
         int    op_errno;
 	struct gf_iatt stat;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
@@ -497,6 +556,7 @@ struct gfs3_fstat_req {
 	string      path<>;
 	string      name<>;
         string      volume<>;
+        opaque   xdata<>; /* Extra data */
 };
 
  struct   gfs3_fentrylk_req {
@@ -507,6 +567,7 @@ struct gfs3_fstat_req {
 	unsigned hyper  namelen;
 	string      name<>;
         string      volume<>;
+        opaque   xdata<>; /* Extra data */
 };
 
 
@@ -515,47 +576,55 @@ struct gfs3_fstat_req {
         struct gf_iatt stbuf;
         int        valid;
         string           path<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_setattr_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt statpre;
         struct gf_iatt statpost;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_fsetattr_req {
         hyper        fd;
         struct gf_iatt stbuf;
         int        valid;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_fsetattr_rsp {
         int    op_ret;
         int    op_errno;
         struct gf_iatt statpre;
         struct gf_iatt statpost;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
  struct gfs3_rchecksum_req {
         hyper   fd;
         unsigned hyper  offset;
         unsigned int  len;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gfs3_rchecksum_rsp {
         int    op_ret;
         int    op_errno;
         unsigned int weak_checksum;
         opaque   strong_checksum<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 
  struct gf_getspec_req {
 	unsigned int flags;
 	string     key<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct  gf_getspec_rsp {
         int    op_ret;
         int    op_errno;
 	string spec<>;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 
@@ -566,27 +635,32 @@ struct gfs3_fstat_req {
  struct gf_notify_req {
 	unsigned int  flags;
         string buf<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
  struct gf_notify_rsp {
         int    op_ret;
         int    op_errno;
 	unsigned int  flags;
         string buf<>;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 struct gfs3_releasedir_req {
         opaque gfid[16];
 	hyper  fd;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 struct gfs3_release_req {
         opaque gfid[16];
 	hyper  fd;
+        opaque   xdata<>; /* Extra data */
 }  ;
 
 struct gf_common_rsp {
        int    op_ret;
        int    op_errno;
+        opaque   xdata<>; /* Extra data */
 } ;
 
 struct gfs3_dirlist {
@@ -603,6 +677,7 @@ struct gfs3_readdir_rsp {
        int op_ret;
        int op_errno;
        struct gfs3_dirlist *reply;
+        opaque   xdata<>; /* Extra data */
 };
 
 struct gfs3_dirplist {
@@ -620,5 +695,6 @@ struct gfs3_readdirp_rsp {
        int op_ret;
        int op_errno;
        struct gfs3_dirplist *reply;
+        opaque   xdata<>; /* Extra data */
 };