[PATCH 11/14] drbd: A small cleanup in drbdd()

From: Philipp Reisner
Date: Wed Sep 07 2011 - 12:51:58 EST


From: Andreas Gruenbacher <agruen@xxxxxxxxxx>

Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
Signed-off-by: Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>
---
drivers/block/drbd/drbd_receiver.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 57e65ac..a4b24f9 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3943,18 +3943,20 @@ static void drbdd(struct drbd_tconn *tconn)
int err;

while (get_t_state(&tconn->receiver) == RUNNING) {
+ struct data_cmd *cmd;
+
drbd_thread_current_set_cpu(&tconn->receiver);
if (drbd_recv_header(tconn, &pi))
goto err_out;

- if (unlikely(pi.cmd >= ARRAY_SIZE(drbd_cmd_handler) ||
- !drbd_cmd_handler[pi.cmd].mdev_fn)) {
+ cmd = &drbd_cmd_handler[pi.cmd];
+ if (unlikely(pi.cmd >= ARRAY_SIZE(drbd_cmd_handler) || !cmd->mdev_fn)) {
conn_err(tconn, "unknown packet type %d, l: %d!\n", pi.cmd, pi.size);
goto err_out;
}

- shs = drbd_cmd_handler[pi.cmd].pkt_size - sizeof(struct p_header);
- if (pi.size - shs > 0 && !drbd_cmd_handler[pi.cmd].expect_payload) {
+ shs = cmd->pkt_size - sizeof(struct p_header);
+ if (pi.size - shs > 0 && !cmd->expect_payload) {
conn_err(tconn, "No payload expected %s l:%d\n", cmdname(pi.cmd), pi.size);
goto err_out;
}
@@ -3965,12 +3967,12 @@ static void drbdd(struct drbd_tconn *tconn)
goto err_out;
}

- if (drbd_cmd_handler[pi.cmd].fa_type == CONN) {
- err = drbd_cmd_handler[pi.cmd].conn_fn(tconn, pi.cmd, pi.size - shs);
+ if (cmd->fa_type == CONN) {
+ err = cmd->conn_fn(tconn, pi.cmd, pi.size - shs);
} else {
struct drbd_conf *mdev = vnr_to_mdev(tconn, pi.vnr);
err = mdev ?
- drbd_cmd_handler[pi.cmd].mdev_fn(mdev, pi.cmd, pi.size - shs) :
+ cmd->mdev_fn(mdev, pi.cmd, pi.size - shs) :
tconn_receive_skip(tconn, pi.cmd, pi.size - shs);
}

--
1.7.4.1

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