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authorChuck Lever <chuck.lever@oracle.com>2019-04-24 09:40:36 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-25 15:40:31 -0400
commitb8fe677fd059deadb2f7f71c4dea747be84d75e0 (patch)
tree92f4c9137d0085625b89e3d63bd7f9d0d5c0d9f8 /net/sunrpc/xprtrdma
parent5f2311f5bd359d6d810922bf25c238053a449f2a (diff)
downloadlinux-b8fe677fd059deadb2f7f71c4dea747be84d75e0.tar.bz2
xprtrdma: Update comments that reference ib_drain_qp
Commit e1ede312f17e ("xprtrdma: Fix helper that drains the transport") replaced the ib_drain_qp() call, so update documenting comments to reflect current operation. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
-rw-r--r--net/sunrpc/xprtrdma/verbs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index fcbcd4afaa5a..bef5eac8ab38 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -83,7 +83,9 @@ static void rpcrdma_regbuf_dma_unmap(struct rpcrdma_regbuf *rb);
static void rpcrdma_regbuf_free(struct rpcrdma_regbuf *rb);
static void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp);
-/* Wait for outstanding transport work to finish.
+/* Wait for outstanding transport work to finish. ib_drain_qp
+ * handles the drains in the wrong order for us, so open code
+ * them here.
*/
static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt)
{
@@ -792,8 +794,8 @@ rpcrdma_ep_disconnect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia)
*/
/* rpcrdma_sendctxs_destroy() assumes caller has already quiesced
- * queue activity, and ib_drain_qp has flushed all remaining Send
- * requests.
+ * queue activity, and rpcrdma_xprt_drain has flushed all remaining
+ * Send requests.
*/
static void rpcrdma_sendctxs_destroy(struct rpcrdma_buffer *buf)
{
@@ -1194,7 +1196,7 @@ rpcrdma_mrs_destroy(struct rpcrdma_buffer *buf)
* rpcrdma_buffer_destroy - Release all hw resources
* @buf: root control block for resources
*
- * ORDERING: relies on a prior ib_drain_qp :
+ * ORDERING: relies on a prior rpcrdma_xprt_drain :
* - No more Send or Receive completions can occur
* - All MRs, reps, and reqs are returned to their free lists
*/