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scst: Make scst_unregister_target() show which sessions it is waiting for

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8268 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-04-21 19:05:28 +00:00
parent 4474209781
commit a61b47415c
1 changed files with 13 additions and 1 deletions
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14
scst/src/scst_main.c
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@@ -590,7 +590,19 @@ void scst_unregister_target(struct scst_tgt *tgt)
* object.
*/
TRACE_DBG("%s", "Waiting for sessions shutdown");
wait_event(tgt->unreg_waitQ, list_empty(&tgt->sysfs_sess_list));
while (!wait_event_timeout(tgt->unreg_waitQ,
list_empty(&tgt->sysfs_sess_list), 60 * HZ)) {
struct scst_session *sess;
mutex_lock(&scst_mutex);
list_for_each_entry(sess, &tgt->sess_list, sess_list_entry) {
PRINT_INFO("Still waiting for session %s/%s; state %ld; refcnt %#lx",
tgt->tgt_name, sess->sess_name,
sess->shut_phase,
atomic_long_read(&sess->refcnt.count));
}
mutex_unlock(&scst_mutex);
}
TRACE_DBG("%s", "wait_event() returned");
res = scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);