From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3138558-1521736660-2-12508765361347255792 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='uk', 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=1521736660; b=gWkKCmnuiRqWbZxGE8nlyYljXbTsjUikAEJyZrGid3a0MU5 3bUQrWMWdkno0zySpt3ve3ZpKw2H7S6FyRfMor/KSe3XZXfXXe3TwFAB/sCNyXiJ BKxJZakCREZtS6kZ1AiLjiH4OUqQpOUS0+mqRVWcAU9WuDQpWWTDY/N3OAz1S/1Y 2hr4ArvFzu6kOQSGkVMsasAugXprOZzlnD5i5fihXGL4OtR8k3pNluIWCZjwC8pj SzuWqyW+T4nSQSnufzWpNwpl2IeRSYpuablAQQ+SCxCjKrhpY1qY+qkSze45yj0H LHR/MLXiFjOmS0151Nxd5Aiz1Fp76CIve5zkJdQ== 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=1521736660; bh=h3Vcp01FiJSMZrPXWldT0I9Yw9 RRnowsHplqSrmxFjU=; b=S5ZuWaoHENZl4A352YN6gnuisSDN32ztbdT12YiVgV BUN06efNBWtia4qT7of3L/72H0MiIOFedHWZQb+MIYLbH/82lummHlNjos5JST1b TVsaz+QL1Ejluj4y6GHA/95JpqcC3v9vWzntLNdHHdoiKlU5L5hPS9+Je5dSfHNM k0+aSjwnLLWF3MDZraCyJTmQNWt7lOdXeIh+LPckDk9uEZXdTkN7NIhOUDIsiBWm NXVr8135Ha+aSdCjCADtcT40+SCh5JVqSYMJlXWVp/iLANu15jri+xy9vYDq5EYA W7K4G9oTktFxmFwaL7CaQyCY/nnLL/23E4bogBLmV6Ww== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=zeniv.linux.org.uk; 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=zeniv.linux.org.uk header.mx.error=NOERROR header.result=warn header_org.domain=linux.org.uk header_org.result=pass header_is_org_domain=no; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=zeniv.linux.org.uk; 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=zeniv.linux.org.uk header.mx.error=NOERROR header.result=warn header_org.domain=linux.org.uk header_org.result=pass header_is_org_domain=no; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751948AbeCVQhX (ORCPT ); Thu, 22 Mar 2018 12:37:23 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:35432 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751926AbeCVQg5 (ORCPT ); Thu, 22 Mar 2018 12:36:57 -0400 Date: Thu, 22 Mar 2018 16:36:55 +0000 From: Al Viro To: Christoph Hellwig Cc: Avi Kivity , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: io_pgetevents & aio fsync Message-ID: <20180322163655.GA26261@ZenIV.linux.org.uk> References: <20180321073232.13366-1-hch@lst.de> <20180322163605.GH30522@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180322163605.GH30522@ZenIV.linux.org.uk> User-Agent: Mutt/1.9.1 (2017-09-22) 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 Thu, Mar 22, 2018 at 04:36:05PM +0000, Al Viro wrote: > On Wed, Mar 21, 2018 at 08:32:23AM +0100, Christoph Hellwig wrote: > > Hi all, > > > > this patch adds workqueue based fsync offload. Version of this > > patch have been floating around for a couple years, but we now > > have a user with seastar used by ScyllaDB (who sponsored this > > work) that really wants this in addition to the aio poll support. > > More details are in the patch itself. > > > > Because the iocb types have been defined sine day one (and probably > > were supported by RHEL3) libaio already supports these calls as-is. > > > > This also pulls in the aio cleanups and io_pgetevents support previously > > submitted and review as part of the aio poll series. The aio poll > > series will be resubmitted on top of this series > > Everything other than 6/9 looks sane; 6/9 belongs in aio poll series > and AFAICS its user in there is actually broken. Gyah... 7/9, that is.