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iscsi: Treat unregistering pollers as a synchronous operation

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We always unregister pollers from the core they're running on,
so we don't need the async completion event when unregistering
them. To avoid changing the logic, create events instead.

Change-Id: Ib50d93e1578684bea69200d89a5e0d383acc8cfe
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/387685
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Ben Walker 2017-11-15 11:02:42 -07:00
parent 9b63a93bab
commit 4927c20681
1 changed files with 6 additions and 3 deletions
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9
lib/iscsi/conn.c
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@ -763,9 +763,10 @@ spdk_iscsi_conn_check_shutdown(void *arg)
struct spdk_event *event;
if (spdk_iscsi_get_active_conns() == 0) {
spdk_poller_unregister(&g_shutdown_timer, NULL);
event = spdk_event_allocate(spdk_env_get_current_core(), spdk_iscsi_conn_check_shutdown_cb, NULL,
NULL);
spdk_poller_unregister(&g_shutdown_timer, event);
spdk_event_call(event);
}
}
@ -830,8 +831,9 @@ spdk_iscsi_conn_stop_poller(struct spdk_iscsi_conn *conn, spdk_event_fn fn_after
}
__sync_fetch_and_sub(&g_num_connections[spdk_env_get_current_core()], 1);
spdk_net_framework_clear_socket_association(conn->sock);
spdk_poller_unregister(&conn->poller, NULL);
event = spdk_event_allocate(lcore, fn_after_stop, conn, NULL);
spdk_poller_unregister(&conn->poller, event);
spdk_event_call(event);
}
void spdk_shutdown_iscsi_conns(void)
@ -1448,7 +1450,8 @@ spdk_iscsi_conn_login_do_work(void *arg)
__sync_fetch_and_sub(&g_num_connections[spdk_env_get_current_core()], 1);
__sync_fetch_and_add(&g_num_connections[lcore], 1);
spdk_net_framework_clear_socket_association(conn->sock);
spdk_poller_unregister(&conn->poller, event);
spdk_poller_unregister(&conn->poller, NULL);
spdk_event_call(event);
}
}