From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3618868-1521623310-2-12891297232536623237 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 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' 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=arctest; t=1521623309; b=kaJyXab3ynPDfpVQ12ujU3rbH3iPyd81I0ud1PqLSaCMoW+ bZJjjrAp40/TSwaiN2KAaKzNlqO1Y454OzagfCJxl/vKPhKoQ174a6Hwd4pj7XED H2sOvlSQi44qOszcma2t37Y6nXyGGpXorLWC64J4WIXEku6ZmRBt9r79DTu/E7ii T2Q4wfmndQ6TfKucaWawYisY4Cl/ebNRE0b5mAWc/eHhguSKxdLtzSi/LlGIkrbJ 5BwSUy6zAxnC+vUKASwOxLb724cg2R9iEg2oJzdeqz86zKuzbfPviXDUUqwMIbSJ tYf2xKHPvPczekdXbD0iNGd7UWL1jyDSBxInQ4A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1521623309; bh=G86wjMGnNwcsjM6t3tfKwFA1VS T5PMDFL6eoRvEgCaU=; b=FgnqfN/CHyUTiZOlW0Ibj+qMd52y9VROjE0VQTXvvi c7YVNlvZLs37Q56usWQdPueupOSjlW9UdGiE8RwsJLeDtPgl1n+nMdCRNeWnaIyJ vEDW47agKi/1aQMXD60gJS4LtbyD/+eHW4ZdWZYn6lpLiNiAdK5EFzd2/Gt/3Sae diWKb9QPESbf9Jy1zamTVhBqHf5VRW+CZlpr3ub/2taiDAn9kc/+rNFCVsWSCoVs XKWEXRGMfjqY/vdkNCCkAwtCa5Dy8fJWlSj9ZaMjPUuwC0Pu/YAqvLTIcO6Kfsy4 oBKqsnVHxzaJDFKrGfdgjRH49p2q88yoR7I2xLpGDbng== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; 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-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=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; 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-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=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751600AbeCUJI1 (ORCPT ); Wed, 21 Mar 2018 05:08:27 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:32982 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539AbeCUJI0 (ORCPT ); Wed, 21 Mar 2018 05:08:26 -0400 Date: Wed, 21 Mar 2018 10:08:23 +0100 From: Greg KH To: Christoph Hellwig Cc: viro@zeniv.linux.org.uk, 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: Re: [PATCH 05/28] fs: introduce new ->get_poll_head and ->poll_mask methods Message-ID: <20180321090823.GE14085@kroah.com> References: <20180321074032.14211-1-hch@lst.de> <20180321074032.14211-6-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180321074032.14211-6-hch@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) 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: On Wed, Mar 21, 2018 at 08:40:09AM +0100, Christoph Hellwig wrote: > ->get_poll_head returns the waitqueue that the poll operation is going > to sleep on. Note that this means we can only use a single waitqueue > for the poll, unlike some current drivers that use two waitqueues for > different events. But now that we have keyed wakeups and heavily use > those for poll there aren't that many good reason left to keep the > multiple waitqueues, and if there are any ->poll is still around, the > driver just won't support aio poll. > > Signed-off-by: Christoph Hellwig Reviewed-by: Greg Kroah-Hartman