On Sun, Nov 6, 2011 at 11:46 AM, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote: > On Sun, 2011-11-06 at 09:13 +0100, Bart Van Assche wrote: > > This leaves the possibility open that ch->sess is used by > > srpt_handle_new_iu() while transport_deregister_session() is in > > progress. That's a race condition. > > Is there already a way to quiesce incoming I/O for an channel before > invoking srpt_release_channel()..? What about srpt_drain_channel()..? The proper way to stop I/O is to invoke srpt_close_ch() and to wait for the last WQE event. After that event has been received and after the CQ has been drained it is guaranteed that no new commands will be passed by ib_srpt to the LIO core. Bart. -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html