linux-kernel - [PATCH 2/2] staging/lustre/ptlrpc: update imp_known_replied

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Message-Id: <1479344730-1131617-3-git-send-email-green@linuxhacker.ru>
Date:   Wed, 16 Nov 2016 20:05:30 -0500
From:   Oleg Drokin <green@...uxhacker.ru>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        James Simmons <jsimmons@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        Niu Yawei <yawei.niu@...el.com>,
        Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH 2/2] staging/lustre/ptlrpc: update imp_known_replied_xid on resend-replay

From: Niu Yawei <yawei.niu@...el.com>

The imp_known_replied_xid should be updated when try to resend
an already replied replay request, because the xid of this replay
request could be less than current imp_known_replied_xid.

Signed-off-by: Niu Yawei <yawei.niu@...el.com>
Reviewed-on: http://review.whamcloud.com/22776
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8645
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@...el.com>
Reviewed-by: Fan Yong <fan.yong@...el.com>
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
 drivers/staging/lustre/lustre/ptlrpc/recover.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/lustre/lustre/ptlrpc/recover.c b/drivers/staging/lustre/lustre/ptlrpc/recover.c
index 344aedd..c004490 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/recover.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/recover.c
@@ -161,8 +161,10 @@ int ptlrpc_replay_next(struct obd_import *imp, int *inflight)
 	 * unreplied list.
 	 */
 	if (req && imp->imp_resend_replay &&
-	    list_empty(&req->rq_unreplied_list))
+	    list_empty(&req->rq_unreplied_list)) {
 		ptlrpc_add_unreplied(req);
+		imp->imp_known_replied_xid = ptlrpc_known_replied_xid(imp);
+	}
 
 	imp->imp_resend_replay = 0;
 	spin_unlock(&imp->imp_lock);
-- 
2.7.4