Re: [PATCH 02/20] libceph: compute incoming bytes once

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Reviewed-by: Josh Durgin <josh.durgin@xxxxxxxxxxx>

On 04/05/2013 07:01 AM, Alex Elder wrote:
This is a simple change, extracting the number of incoming data
bytes just once in handle_reply().

Signed-off-by: Alex Elder <elder@xxxxxxxxxxx>
---
  net/ceph/osd_client.c |    8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 426ca1f..1379b33 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1293,6 +1293,7 @@ static void handle_reply(struct ceph_osd_client
*osdc, struct ceph_msg *msg,
  	u64 reassert_version;
  	u32 osdmap_epoch;
  	int already_completed;
+	u32 bytes;
  	int i;

  	tid = le64_to_cpu(msg->hdr.tid);
@@ -1347,9 +1348,10 @@ static void handle_reply(struct ceph_osd_client
*osdc, struct ceph_msg *msg,
  		payload_len += len;
  		p += sizeof(*op);
  	}
-	if (payload_len != le32_to_cpu(msg->hdr.data_len)) {
+	bytes = le32_to_cpu(msg->hdr.data_len);
+	if (payload_len != bytes) {
  		pr_warning("sum of op payload lens %d != data_len %d",
-			   payload_len, le32_to_cpu(msg->hdr.data_len));
+			   payload_len, bytes);
  		goto bad_put;
  	}

@@ -1359,10 +1361,8 @@ static void handle_reply(struct ceph_osd_client
*osdc, struct ceph_msg *msg,
  		req->r_reply_op_result[i] = ceph_decode_32(&p);

  	if (!req->r_got_reply) {
-		unsigned int bytes;

  		req->r_result = result;
-		bytes = le32_to_cpu(msg->hdr.data_len);
  		dout("handle_reply result %d bytes %d\n", req->r_result,
  		     bytes);
  		if (req->r_result == 0)


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