From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3779118-1522424738-2-13493340227774434169 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 0.249, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES enro, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', 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= 1522424737; b=M068pbVZeYDO4wKAZAFPQYd+Geun4MOwK2b+NUVDUS3vG+UIbE SLTXS5qm87uilInCHHh6GwSyeEdhi/CDHQlCIYsP0imuSjRBndOokSAfdBr5/Dmi Vkkk4dj9Lx9fPumdZHlsXtG9h1CVoVhqrwBRDCW5TgKKl0MUjXRQC7padpqLnkpG /NrcPyVZJOpNia4MBnEihoTTW5JSop/QY9u2G1Nrwae7TivaDhcLpJofAgv3CC5r untEawnfpkLYbHgRejWG00F3eGVra0gG2ceIWXmymJd+uBiKiaeaUhfZlu3MWmW1 7eGVKwcwjxwDEBog3HGUcn/zXcVGLhS541uA== 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=1522424737; bh= Ggz/rNXWiikI0ka3wRDV7+PPmrdCR+0U9UPTcuZDFlc=; b=FWUVTOMa2JmsFtGv hlKfpqXEHHAWZC8CSB/AE0RMcVyzqSZ9hCDRt5O5hHUn9RilBWMGGTtXlqyQQmXY hzvJ8Gf/l45lzVekcz5Ugd0N5I1uo/OfUzmxXuYJHGqPVw5DKL4ORec7mxbWCyRR p8lqaJLu3ZrfGPDLNXn5KvxFgfH92PZyLQLxaZeX6Ir5CQ7vUomyBLuOcQdmeoLd oI0xkZ3HNRkL7UXh88/YZkfAgkttbKh3/nVxZb2zxFlnXqBiCTjruMwLGBEs0bck rBMjci66pDJi3N5zt6XnrpJ8T55XVldna1uRwk1OPMSfgX+b78c/iKTv2NEFmWEe wbuOgw== ARC-Authentication-Results: i=1; mx2.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=Y/BPsyPS 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: mx2.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=Y/BPsyPS 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: MS4wfMbDBpXExX6VwhhNEu/3UpXhyCWSVFZjXLB29s/Wi+/GK+ET7G6zDZtiaQvSs4n0hPGZD49vPKvZjKrU1CPiF24UGbPiaoWxkJH24E/nKwQSYruIBFjU e78v3C5hRnoUtvwnkiOfD5kZQprkWsMVXJ8M3Al88wLMJctfXGi9b5cSxm5grW0uGwiAQFnQ/cM1qDRYzH8Rri8pl2Bbpz3eVWLpyArJmZcqsHtRKkTrybzR X-CM-Analysis: v=2.3 cv=E8HjW5Vl c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=v2DPQv5-lfwA: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 S1751709AbeC3Poe (ORCPT ); Fri, 30 Mar 2018 11:44:34 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:42738 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752487AbeC3Pc0 (ORCPT ); Fri, 30 Mar 2018 11:32:26 -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 30/32] eventfd: switch to ->poll_mask Date: Fri, 30 Mar 2018 17:08:07 +0200 Message-Id: <20180330150809.28094-31-hch@lst.de> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20180330150809.28094-1-hch@lst.de> References: <20180330150809.28094-1-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 012f5bd46dfa..d70b4907f978 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, -- 2.14.2