[PATCH] nfsd4: allow io to use deleg stateid file

Allow io using a delegation stateid to proceed without the need to reopen the
file, as is done already with open stateid's.
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nfsd/nfs4state.c

@@ -2068,6 +2068,8 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
 			atomic_set(&dp->dl_state,NFS4_RECALL_COMPLETE);
 			release_delegation(dp);
 		}
+		if (filpp)
+			*filpp = dp->dl_vfs_file;
 	}
 	status = nfs_ok;
 out: