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xprtrdma: Add trace points to instrument MR allocation and recovery

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Signed-off-by: Chuck Lever <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
This commit is contained in:
Chuck Lever 2017-12-20 16:31:21 -05:00 • committed by Anna Schumaker
commit 1c443effa3
2 changed files with 60 additions and 3 deletions
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6
net/sunrpc/xprtrdma/verbs.c
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@ -998,7 +998,7 @@ rpcrdma_mr_recovery_worker(struct work_struct *work)
mr = rpcrdma_mr_pop(&buf->rb_stale_mrs);
spin_unlock(&buf->rb_recovery_lock);
dprintk("RPC: %s: recovering MR %p\n", __func__, mr);
trace_xprtrdma_recover_mr(mr);
mr->mr_xprt->rx_ia.ri_ops->ro_recover_mr(mr);
spin_lock(&buf->rb_recovery_lock);
@ -1054,7 +1054,7 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt)
r_xprt->rx_stats.mrs_allocated += count;
spin_unlock(&buf->rb_mrlock);
dprintk("RPC: %s: created %u MRs\n", __func__, count);
trace_xprtrdma_createmrs(r_xprt, count);
}
static void
@ -1310,7 +1310,7 @@ rpcrdma_mr_get(struct rpcrdma_xprt *r_xprt)
return mr;
out_nomrs:
dprintk("RPC: %s: no MRs available\n", __func__);
trace_xprtrdma_nomrs(r_xprt);
if (r_xprt->rx_ep.rep_connected != -ENODEV)
schedule_delayed_work(&buf->rb_refresh_worker, 0);