drbd: Rename asender to ack_receiver

This prepares the next patch where the sending on the meta (or
control) socket is moved to a dedicated workqueue.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 1d00f2e..dee6297 100644 (file)
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -754,7 +754,7 @@ struct drbd_connection {
        unsigned long last_reconnect_jif;
        struct drbd_thread receiver;
        struct drbd_thread worker;
-       struct drbd_thread asender;
+       struct drbd_thread ack_receiver;
 
        /* cached pointers,
         * so we can look up the oldest pending requests more quickly.
@@ -1557,7 +1557,7 @@ extern void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req);
 
 /* drbd_receiver.c */
 extern int drbd_receiver(struct drbd_thread *thi);
-extern int drbd_asender(struct drbd_thread *thi);
+extern int drbd_ack_receiver(struct drbd_thread *thi);
 extern bool drbd_rs_c_min_rate_throttle(struct drbd_device *device);
 extern bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector,
                bool throttle_if_app_is_waiting);
@@ -1971,7 +1971,7 @@ extern void drbd_flush_workqueue(struct drbd_work_queue *work_queue);
 static inline void wake_asender(struct drbd_connection *connection)
 {
        if (test_bit(SIGNAL_ASENDER, &connection->flags))
-               force_sig(DRBD_SIG, connection->asender.task);
+               force_sig(DRBD_SIG, connection->ack_receiver.task);
 }
 
 static inline void request_ping(struct drbd_connection *connection)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index f66294d..445f2c8 100644 (file)
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1436,8 +1436,8 @@ static int we_should_drop_the_connection(struct drbd_connection *connection, str
        /* long elapsed = (long)(jiffies - device->last_received); */
 
        drop_it =   connection->meta.socket == sock
-               || !connection->asender.task
-               || get_t_state(&connection->asender) != RUNNING
+               || !connection->ack_receiver.task
+               || get_t_state(&connection->ack_receiver) != RUNNING
                || connection->cstate < C_WF_REPORT_PARAMS;
 
        if (drop_it)
@@ -2564,7 +2564,7 @@ int set_resource_options(struct drbd_resource *resource, struct res_opts *res_op
                cpumask_copy(resource->cpu_mask, new_cpu_mask);
                for_each_connection_rcu(connection, resource) {
                        connection->receiver.reset_cpu_mask = 1;
-                       connection->asender.reset_cpu_mask = 1;
+                       connection->ack_receiver.reset_cpu_mask = 1;
                        connection->worker.reset_cpu_mask = 1;
                }
        }
@@ -2653,8 +2653,8 @@ struct drbd_connection *conn_create(const char *name, struct res_opts *res_opts)
        connection->receiver.connection = connection;
        drbd_thread_init(resource, &connection->worker, drbd_worker, "worker");
        connection->worker.connection = connection;
-       drbd_thread_init(resource, &connection->asender, drbd_asender, "asender");
-       connection->asender.connection = connection;
+       drbd_thread_init(resource, &connection->ack_receiver, drbd_ack_receiver, "ack_recv");
+       connection->ack_receiver.connection = connection;
 
        kref_init(&connection->kref);
 

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 61b73c7..eed4ae9 100644 (file)
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1099,7 +1099,7 @@ randomize:
                return 0;
        }
 
-       drbd_thread_start(&connection->asender);
+       drbd_thread_start(&connection->ack_receiver);
 
        mutex_lock(&connection->resource->conf_update);
        /* The discard_my_data flag is a single-shot modifier to the next
@@ -4656,7 +4656,7 @@ static void conn_disconnect(struct drbd_connection *connection)
        conn_request_state(connection, NS(conn, C_NETWORK_FAILURE), CS_HARD);
 
        /* asender does not clean up anything. it must not interfere, either */
-       drbd_thread_stop(&connection->asender);
+       drbd_thread_stop(&connection->ack_receiver);
        drbd_free_sock(connection);
 
        rcu_read_lock();
@@ -5487,7 +5487,7 @@ static struct asender_cmd asender_tbl[] = {
        [P_RETRY_WRITE]     = { sizeof(struct p_block_ack), got_BlockAck },
 };
 
-int drbd_asender(struct drbd_thread *thi)
+int drbd_ack_receiver(struct drbd_thread *thi)
 {
        struct drbd_connection *connection = thi->connection;
        struct asender_cmd *cmd = NULL;