From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-604614-1527103445-2-14786664078285198446 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.248, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, LANGUAGES enrosk.us-ascii, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='de', MailFrom='org' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-api-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1527103444; b=KJ0kryb6hUCKVRZuwROfcwWBdoQp7sPhQ+RMODRlifGk7K1M3j 0HqT+I85NHjaVM2bRIUe9/GwBAXpWmHe0St75LXRH34opWXTbHx2iUnfLxctlOJN Ztcc/hzy5X99A4TQb/F0SUGQ76WvBhPpu9Ze9jvLZnX2dloCy5euxYkGK9dRvkBh 337R5UfyJiFLnscHATIEqSNCBM/8XlGAiTKURaRiUJQWEYyvOfAD2QZWTX92ThNb RoYuW9UroAi0ZuxBMCNliisoz2gYSCubTrJ36V9MWbUWQDTI/Dvy83nSOzi0jDaM KotMg5+7q/88oKSWdtuSX0HxPKX9wo9McS1g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:sender:list-id; s=fm2; t=1527103444; bh= gL0d0YamFIwaZo14Z2Lx1ovYc9a8+OiSYk5xURHXzuI=; b=iE290PQ6QwdiWUSV x9OFd3rld1ZcMp0so37WbthNmRngJ16nYZHuTIKddQsQhgDQFu+kdVZftXOKFOX6 cldErxFott4Npwxnvv99WQJagIPkhOfJpVnczQdF0JNHXmb5iUkGvhQA9iFxKPGo WyXQPO0ucdgHAXaSJEhyisl+agDZhzk1JL/1eA7H8TpMG0wnDr3cGsT6+FoqoygT R6av++vV5pDF/wM4a+qXxRcQs1BJaaXSr+P3aJ9D9f/63JZzJxEMIuishNlblX5D q0uEcf0lysbtHvrY9/6P2+RnV5TBSH0zeZKgQZkU7KstTOeRaEaF/0QOoy0c1NC2 t4r9KQ== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered, 2048-bit rsa key sha256) header.d=infradead.org header.i=@infradead.org header.b=JK2La/k7 x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=bombadil.20170209; dmarc=none (p=none,has-list-id=yes,d=none) header.from=lst.de; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=lst.de header.result=pass header_is_org_domain=yes; x-vs=clean score=0 state=0 Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered, 2048-bit rsa key sha256) header.d=infradead.org header.i=@infradead.org header.b=JK2La/k7 x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=bombadil.20170209; dmarc=none (p=none,has-list-id=yes,d=none) header.from=lst.de; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=lst.de header.result=pass header_is_org_domain=yes; x-vs=clean score=0 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfMujeHYxrs6fiqjur9lh+B1WrKMvYIm8sc/8YDbt324sav4v2rah8Yl3duaJ3SaYSUgL1zfCkTt4t9KPvF3W3c1S1yoOXEZPgzL+1KMB7EiIffgecsYm okaz6vcRZVxKmaPohwS1okLTvgWDGkVEqOyGi9nwiSEWL8OvCkeEwKAbNelGHAPNmY4wznJKDuuZelIgkTEyesa4sGLX4MP3tkofZ2CpnK0iftBy00HuUMZv X-CM-Analysis: v=2.3 cv=NPP7BXyg c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=VUJBJC2UJ8kA:10 a=VwQbUJbxAAAA:8 a=glk3bNZYZL77nadNM_AA:9 a=x8gzFH9gYPwA:10 a=AjGcO6oz07-iQ99wixmX:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934244AbeEWTXW (ORCPT ); Wed, 23 May 2018 15:23:22 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:41104 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934107AbeEWTV5 (ORCPT ); Wed, 23 May 2018 15:21:57 -0400 From: Christoph Hellwig To: viro@zeniv.linux.org.uk Cc: Avi Kivity , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 31/33] eventfd: switch to ->poll_mask Date: Wed, 23 May 2018 21:20:20 +0200 Message-Id: <20180523192022.1703-32-hch@lst.de> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180523192022.1703-1-hch@lst.de> References: <20180523192022.1703-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-api-owner@vger.kernel.org X-Mailing-List: linux-api@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Signed-off-by: Christoph Hellwig --- fs/eventfd.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/fs/eventfd.c b/fs/eventfd.c index 08d3bd602f73..61c9514da5e9 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -101,14 +101,20 @@ static int eventfd_release(struct inode *inode, struct file *file) return 0; } -static __poll_t eventfd_poll(struct file *file, poll_table *wait) +static struct wait_queue_head * +eventfd_get_poll_head(struct file *file, __poll_t events) +{ + struct eventfd_ctx *ctx = file->private_data; + + return &ctx->wqh; +} + +static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask) { struct eventfd_ctx *ctx = file->private_data; __poll_t events = 0; u64 count; - poll_wait(file, &ctx->wqh, wait); - /* * All writes to ctx->count occur within ctx->wqh.lock. This read * can be done outside ctx->wqh.lock because we know that poll_wait @@ -305,7 +311,8 @@ static const struct file_operations eventfd_fops = { .show_fdinfo = eventfd_show_fdinfo, #endif .release = eventfd_release, - .poll = eventfd_poll, + .get_poll_head = eventfd_get_poll_head, + .poll_mask = eventfd_poll_mask, .read = eventfd_read, .write = eventfd_write, .llseek = noop_llseek, -- 2.17.0