From dbcd00eba99945acfc433508a58eadc5dcd18cad Mon Sep 17 00:00:00 2001
From: Tom Tucker <tom@opengridcomputing.com>
Date: Tue, 6 May 2008 11:33:11 -0500
Subject: [PATCH] svcrdma: Fix race with dto_tasklet in svc_rdma_send

The svc_rdma_send function will attempt to reap SQ WR to make room for
a new request if it finds the SQ full. This function races with the
dto_tasklet that also reaps SQ WR. To avoid polling and arming the CQ
unnecessarily move the test_and_clear_bit of the RDMAXPRT_SQ_PENDING
flag and arming of the CQ to the sq_cq_reap function.

Refactor the rq_cq_reap function to match sq_cq_reap so that the
code is easier to follow.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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