staging: lustre: use explicit poll loop in ptlrpc_unregister_reply

replace l_wait_event() with wait_event_idle_timeout() and explicit
loop.  This approach is easier to understand.

Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Patrick Farrell <paf@cray.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-02-13 10:47:59 +11:00 • committed by Greg Kroah-Hartman
commit 9fc53ff230