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xprtrdma: Add trace points to instrument memory invalidation

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2017-12-20 16:31:12 -05:00
committed by Anna Schumaker
parent e11b7c9655
commit 2937fede11
4 changed files with 57 additions and 16 deletions
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4
net/sunrpc/xprtrdma/fmr_ops.c
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@@ -148,6 +148,7 @@ out_release:
pr_err("rpcrdma: FMR reset failed (%d), %p released\n", rc, mr);
r_xprt->rx_stats.mrs_orphaned++;
trace_xprtrdma_dma_unmap(mr);
ib_dma_unmap_sg(r_xprt->rx_ia.ri_device,
mr->mr_sg, mr->mr_nents, mr->mr_dir);
@@ -273,6 +274,7 @@ fmr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct list_head *mrs)
list_for_each_entry(mr, mrs, mr_list) {
dprintk("RPC: %s: unmapping fmr %p\n",
__func__, &mr->fmr);
trace_xprtrdma_localinv(mr);
list_add_tail(&mr->fmr.fm_mr->list, &unmap_list);
}
r_xprt->rx_stats.local_inv_needed++;
@@ -285,8 +287,6 @@ fmr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct list_head *mrs)
*/
while (!list_empty(mrs)) {
mr = rpcrdma_mr_pop(mrs);
dprintk("RPC: %s: DMA unmapping fmr %p\n",
__func__, &mr->fmr);
list_del(&mr->fmr.fm_mr->list);
rpcrdma_mr_unmap_and_put(mr);
}