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Date: Sun, 1 Feb 2015 21:52:12 -0500
From: green@...uxhacker.ru
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Niu Yawei <yawei.niu@...el.com>,
Oleg Drokin <oleg.drokin@...el.com>
Subject: [PATCH 13/20] staging/lustre/ptlrpc: hold rq_lock when modify rq_flags
From: Niu Yawei <yawei.niu@...el.com>
In after_reply(), take the rq_lock for changing the rq_resend.
Signed-off-by: Niu Yawei <yawei.niu@...el.com>
Reviewed-on: http://review.whamcloud.com/11957
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5633
Reviewed-by: Fan Yong <fan.yong@...el.com>
Reviewed-by: Johann Lombardi <johann.lombardi@...el.com>
Signed-off-by: Oleg Drokin <oleg.drokin@...el.com>
---
drivers/staging/lustre/lustre/ptlrpc/client.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c
index 8c1ec83..4882dd0 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/client.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/client.c
@@ -1247,7 +1247,9 @@ static int after_reply(struct ptlrpc_request *req)
time_t now = get_seconds();
DEBUG_REQ(D_RPCTRACE, req, "Resending request on EINPROGRESS");
+ spin_lock(&req->rq_lock);
req->rq_resend = 1;
+ spin_unlock(&req->rq_lock);
req->rq_nr_resend++;
/* allocate new xid to avoid reply reconstruction */
--
2.1.0
--
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