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staging/lustre/ptlrpc: hold rq_lock when modify rq_flags 

In after_reply(), take the rq_lock for changing the rq_resend.

Signed-off-by: Niu Yawei <yawei.niu@intel.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@intel.com>
Reviewed-by: Johann Lombardi <johann.lombardi@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niu Yawei 2015-02-01 21:52:12 -05:00 committed by Greg Kroah-Hartman
parent 70c86ace90
commit d27f9b077e
1 changed files with 2 additions and 0 deletions
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drivers/staging/lustre/lustre/ptlrpc/client.c
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@ -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 */