From: Di Wang <di.wang@intel.com>
Date: Mon, 8 Feb 2016 00:04:25 +0000 (-0500)
Subject: LU-7768 fld: Do not retry fld request
X-Git-Tag: 2.8.51~32
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=2f66b4903516f93356f1a525f78474af25041353

LU-7768 fld: Do not retry fld request

Do not retry fld request if the remote target does
not support FLD_READ request.

Signed-off-by: Di Wang <di.wang@intel.com>
Change-Id: I02c6185cceb4aed6a9cd6b4853eb7423296bb1d2
Reviewed-on: http://review.whamcloud.com/18382
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/fld/fld_request.c b/lustre/fld/fld_request.c
index 9354922..1999dac 100644
--- a/lustre/fld/fld_request.c
+++ b/lustre/fld/fld_request.c
@@ -425,10 +425,15 @@ again:
 	}
 
 	if (rc != 0) {
-		if (imp->imp_state != LUSTRE_IMP_CLOSED && !imp->imp_deactive) {
+		if (imp->imp_state != LUSTRE_IMP_CLOSED &&
+		    !imp->imp_deactive &&
+		    imp->imp_connect_flags_orig & OBD_CONNECT_MDS_MDS &&
+		    rc != -ENOTSUPP) {
 			/* Since LWP is not replayable, so it will keep
-			 * trying unless umount happens, otherwise it would
-			 * cause unecessary failure of the application. */
+			 * trying unless umount happens or the remote
+			 * target does not support the operation, otherwise
+			 * it would cause unecessary failure of the
+			 * application. */
 			ptlrpc_req_finished(req);
 			rc = 0;
 			goto again;