From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EC18C432C3 for ; Thu, 21 Nov 2019 17:14:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 070A8206EC for ; Thu, 21 Nov 2019 17:14:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727107AbfKURNh (ORCPT ); Thu, 21 Nov 2019 12:13:37 -0500 Received: from mx2.suse.de ([195.135.220.15]:54038 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726279AbfKURNg (ORCPT ); Thu, 21 Nov 2019 12:13:36 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 66360B26C; Thu, 21 Nov 2019 17:13:35 +0000 (UTC) From: Michal Suchanek To: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org Cc: Michal Suchanek , Jonathan Corbet , Jens Axboe , "James E.J. Bottomley" , "Martin K. Petersen" , Alexander Viro , Eric Biggers , "J. Bruce Fields" , Mauro Carvalho Chehab , Benjamin Coddington , Ming Lei , Chaitanya Kulkarni , Bart Van Assche , Damien Le Moal , Hou Tao , Pavel Begunkov , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jan Kara , Hannes Reinecke , "Ewan D. Milne" , Christoph Hellwig , Matthew Wilcox Subject: [PATCH v4 01/10] cdrom: add poll_event_interruptible Date: Thu, 21 Nov 2019 18:13:08 +0100 Message-Id: X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Add convenience macro for polling an event that does not have a waitqueue. Signed-off-by: Michal Suchanek --- drivers/cdrom/cdrom.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index ac42ae4651ce..2ad6b73482fe 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -282,10 +282,24 @@ #include #include #include +#include #include +#include #include #include +#define poll_event_interruptible(event, interval) ({ \ + int ret = 0; \ + while (!(event)) { \ + if (signal_pending(current)) { \ + ret = -ERESTARTSYS; \ + break; \ + } \ + msleep_interruptible(interval); \ + } \ + ret; \ +}) + /* used to tell the module to turn on full debugging messages */ static bool debug; /* default compatibility mode */ -- 2.23.0