b=22190 return error on write if rdonly mode is on, don't reply if umount

[fs/lustre-release.git] / lustre / ost / ost_handler.c

diff --git a/lustre/ost/ost_handler.c b/lustre/ost/ost_handler.c
index 7751869..638536a 100644 (file)
--- a/lustre/ost/ost_handler.c
+++ b/lustre/ost/ost_handler.c
@@ -1205,6 +1205,14 @@ out_bulk:
         if (desc)
                 ptlrpc_free_bulk(desc);
 out:
+       /* XXX: don't send reply if obd rdonly mode, this can cause data loss
+        * on client, see bug 22190. Remove this when async bulk will be done.
+        * Meanwhile, if this is umount then don't reply anything. */
+        if (req->rq_export->exp_obd->obd_no_transno) {
+                no_reply = req->rq_export->exp_obd->obd_stopping;
+                rc = -EIO;
+        }
+
         if (rc == 0) {
                 oti_to_request(oti, req);
                 target_committed_to_req(req);