nfsd: pass nfsd4_compound_state* to nfs4_preprocess_{state,seq}id_op

Currently we only use cstate->current_fh,
will also be used by nfsd41 code.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index ae21a4e..e6a0f31 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -513,9 +513,8 @@
 
 	nfs4_lock_state();
 	/* check stateid */
-	if ((status = nfs4_preprocess_stateid_op(&cstate->current_fh,
-				&read->rd_stateid,
-				RD_STATE, &read->rd_filp))) {
+	if ((status = nfs4_preprocess_stateid_op(cstate, &read->rd_stateid,
+						 RD_STATE, &read->rd_filp))) {
 		dprintk("NFSD: nfsd4_read: couldn't process stateid!\n");
 		goto out;
 	}
@@ -646,7 +645,7 @@
 
 	if (setattr->sa_iattr.ia_valid & ATTR_SIZE) {
 		nfs4_lock_state();
-		status = nfs4_preprocess_stateid_op(&cstate->current_fh,
+		status = nfs4_preprocess_stateid_op(cstate,
 			&setattr->sa_stateid, WR_STATE, NULL);
 		nfs4_unlock_state();
 		if (status) {
@@ -686,8 +685,7 @@
 		return nfserr_inval;
 
 	nfs4_lock_state();
-	status = nfs4_preprocess_stateid_op(&cstate->current_fh, stateid,
-					WR_STATE, &filp);
+	status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp);
 	if (filp)
 		get_file(filp);
 	nfs4_unlock_state();