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=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 7186CC4321A for ; Mon, 10 Jun 2019 19:14:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49DDA207E0 for ; Mon, 10 Jun 2019 19:14:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BdyAt9kK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389484AbfFJTO5 (ORCPT ); Mon, 10 Jun 2019 15:14:57 -0400 Received: from mail-ua1-f65.google.com ([209.85.222.65]:38645 "EHLO mail-ua1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389339AbfFJTOo (ORCPT ); Mon, 10 Jun 2019 15:14:44 -0400 Received: by mail-ua1-f65.google.com with SMTP id j2so3529399uaq.5; Mon, 10 Jun 2019 12:14:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ckddRdKuY3n99DQ30I8Ucr4dD4i/wMlRy1QE1lcEpe0=; b=BdyAt9kKhE85l9YnxOxtZEV5ZNunxZzUaVFn/32oWTDCrze5pjJ7U9L53aXthrLGOy Lk51+I5TuZ5DmVk8+LXBzrN7h8fzZ9zKOMcL/d0LUc6aIvI2+FHKN+g+5//Rjh6BF2tK ckVeJfDgPIfikX7h64HDovPUq5ypZm7x6dqRUqYkuGOz53QhmE2KwSCvTWaWdpHzYc8b hMs213eb/Vi6vF+XJwc7hKWvHAYWIMZeEFnI+3vzVhRtr2DhnR0YBtnaNmhKJimfggnQ FL6xVr8XOdlQHZfcGMJD9hlzW43eULL3dLlXhl8f0gYn7bDonk8+U2D1vWIceEHLb5PR 1dyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ckddRdKuY3n99DQ30I8Ucr4dD4i/wMlRy1QE1lcEpe0=; b=ZdEnkOtNlY9hWRvoz1W8ZXG6qvBPW23pbJ+9stAXZPJb2YNZSL12zNTtfEc5qSflXn SQyRiOr04glsZgZpiPyB3GZOUsANkIT31pbq/5Du5HNRt5cqajS/BjAOLD6jCVDJ+KME bvAt29noj87VDBevtOoRUhgkOV5my0Uhe+3bjfpFXZsFzyqbEE2Chg2dQNn2V2CSA3nP 4OD622uQAiwm8di4Z+eD+2NNOOwQqRNfI+Z/UMEctGlCcfIbFaIK/Gl00CybYwr8QdBL gf4QGdtWmXTWB2VnOBzt8DwwGbjcNhdGge08A2WS6DFDT/2bjRoKiStCGmh7KpGTUl/S uaMA== X-Gm-Message-State: APjAAAWl2Ju5duHBERS2XIVMa6NxlOyQfkUnlgKA97RyVzZUrwsVEpkz l6uHeOaDbJ9lA1eSHNHazrg9H0JigQ== X-Google-Smtp-Source: APXvYqy9Ha5IMQid3VUAn6+bt6stjC+0pzI9SwfLubGHSWXn5aqbz4Jmg0Z0iQimvpw2aRpxt808Jg== X-Received: by 2002:a9f:21e7:: with SMTP id 94mr7564002uac.137.1560194083552; Mon, 10 Jun 2019 12:14:43 -0700 (PDT) Received: from kmo-pixel.hsd1.vt.comcast.net (c-71-234-172-214.hsd1.vt.comcast.net. [71.234.172.214]) by smtp.gmail.com with ESMTPSA id t20sm4834014vkd.53.2019.06.10.12.14.42 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 10 Jun 2019 12:14:42 -0700 (PDT) From: Kent Overstreet To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org Cc: Kent Overstreet Subject: [PATCH 11/12] closures: closure_wait_event() Date: Mon, 10 Jun 2019 15:14:19 -0400 Message-Id: <20190610191420.27007-12-kent.overstreet@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190610191420.27007-1-kent.overstreet@gmail.com> References: <20190610191420.27007-1-kent.overstreet@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Kent Overstreet --- include/linux/closure.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/linux/closure.h b/include/linux/closure.h index 308e38028c..abacb91c35 100644 --- a/include/linux/closure.h +++ b/include/linux/closure.h @@ -379,4 +379,26 @@ static inline void closure_call(struct closure *cl, closure_fn fn, continue_at_nobarrier(cl, fn, wq); } +#define __closure_wait_event(waitlist, _cond) \ +do { \ + struct closure cl; \ + \ + closure_init_stack(&cl); \ + \ + while (1) { \ + closure_wait(waitlist, &cl); \ + if (_cond) \ + break; \ + closure_sync(&cl); \ + } \ + closure_wake_up(waitlist); \ + closure_sync(&cl); \ +} while (0) + +#define closure_wait_event(waitlist, _cond) \ +do { \ + if (!(_cond)) \ + __closure_wait_event(waitlist, _cond); \ +} while (0) + #endif /* _LINUX_CLOSURE_H */ -- 2.20.1