linux-kernel - [PATCH 20/29] staging: lustre: recovery: don't skip open replay on reconnect

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Message-Id: <1477606323-30325-21-git-send-email-jsimmons@infradead.org>
Date:   Thu, 27 Oct 2016 18:11:54 -0400
From:   James Simmons <jsimmons@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        Niu Yawei <yawei.niu@...el.com>,
        James Simmons <jsimmons@...radead.org>
Subject: [PATCH 20/29] staging: lustre: recovery: don't skip open replay on reconnect

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

Once reconnect happened during replay, we'd continue the open
replay with the last failed replay, but not the next.

Signed-off-by: Niu Yawei <yawei.niu@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6802
Reviewed-on: http://review.whamcloud.com/15871
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: Hongchao Zhang <hongchao.zhang@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/ptlrpc/recover.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ptlrpc/recover.c b/drivers/staging/lustre/lustre/ptlrpc/recover.c
index aa96534..9144cd8 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/recover.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/recover.c
@@ -111,7 +111,9 @@ int ptlrpc_replay_next(struct obd_import *imp, int *inflight)
 			 * all of it's requests being replayed, it's safe to
 			 * use a cursor to accelerate the search
 			 */
-			imp->imp_replay_cursor = imp->imp_replay_cursor->next;
+			if (!imp->imp_resend_replay ||
+			    imp->imp_replay_cursor == &imp->imp_committed_list)
+				imp->imp_replay_cursor = imp->imp_replay_cursor->next;
 
 			while (imp->imp_replay_cursor !=
 			       &imp->imp_committed_list) {
-- 
1.7.1