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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 CDAA8C433DF for ; Sun, 24 May 2020 19:22:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 94CFB20787 for ; Sun, 24 May 2020 19:22:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="uRHMeG7h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94CFB20787 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A942C80012; Sun, 24 May 2020 15:22:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A1DBF80007; Sun, 24 May 2020 15:22:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8E9B380012; Sun, 24 May 2020 15:22:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0136.hostedemail.com [216.40.44.136]) by kanga.kvack.org (Postfix) with ESMTP id 734E280007 for ; Sun, 24 May 2020 15:22:27 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 353F540FB for ; Sun, 24 May 2020 19:22:27 +0000 (UTC) X-FDA: 76852583934.06.brush89_1561636b4a856 X-HE-Tag: brush89_1561636b4a856 X-Filterd-Recvd-Size: 3598 Received: from mail-pl1-f194.google.com (mail-pl1-f194.google.com [209.85.214.194]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Sun, 24 May 2020 19:22:26 +0000 (UTC) Received: by mail-pl1-f194.google.com with SMTP id m7so6698254plt.5 for ; Sun, 24 May 2020 12:22:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mDbeWlveWyEr17EututM6ewZlLrenoq+wrG4TB+c+O8=; b=uRHMeG7h0qyUWA7vuWqk7MVYR+0HFA9+hLVEVjHnDq9/bGqeemt5utvzvZZgUdnrIy U+lba7Qp6iQLZ4c8z3yex1xsl7NBK51bH9ntOiA1bzrAsnflM9kzXN7kNcJ7N0emlteQ f6PTLXDnlvMvkO0+xbsF0n3KM+R3esV6iaI/VrxgFuKg6m/QCwh29NieyfZ0bGIkLBzC N0tz472lFi/FcUthEq7qQBwQ8YXqMbnsRrwlnS1p3BAEfpEt6RqH5JLCBFEKqy0ijFcH WD0e0R9E3NAVkMWZKPvQJyEy1N1km2FpSHT2g5nK9H0/Uh1ImNoyNvY6xNut1BwqV9ew Tb8Q== 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=mDbeWlveWyEr17EututM6ewZlLrenoq+wrG4TB+c+O8=; b=PlzdhYSn5uSop5+K7JkaVNWJhoyxFTt1v+rm9VVeXayl7MN8abD04GAh0b0OBbXI0J 8sQNaEHNB7NnVVuv/ix19m72/4pZW+rJ7YMmJgZU8FNa5MokHBLBYufRzHUbiOlnIuoV 2XHRmDGY8mrhzSeYutpAjt1XlSqyZvjFG/ULMZpEv8dXtx5W9PFFEfJx0g963bMn9kCr 4ffM/h9fpAgz3RbKAo5X1khQCIYdtfhcVkmkGcbx5BGfwvsATX+PDRKgFvYsTsNC+5RP eyIP0yrwxnOeowZXptTas51udPS7LVCtZGTzNOJbccLW1FlOolSMt0EJ9NocODDj/+ym BOVw== X-Gm-Message-State: AOAM530IfH1ho72N4aVJDHB/pJVT+kofpTiL+V1JGy7jotfw3Y/OoRly UoyVsmlUQuUFnr1utN9G2WQ/+w== X-Google-Smtp-Source: ABdhPJx5oK/myeVn3bRCetPZQwQdNS3kfvzT2VTrfAxdR1BbKcm7G7xwvH5T6Twt2b9anXcaIgaOgg== X-Received: by 2002:a17:90a:fd85:: with SMTP id cx5mr16698146pjb.146.1590348145904; Sun, 24 May 2020 12:22:25 -0700 (PDT) Received: from x1.lan ([2605:e000:100e:8c61:c871:e701:52fa:2107]) by smtp.gmail.com with ESMTPSA id t21sm10312426pgu.39.2020.05.24.12.22.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 May 2020 12:22:25 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jens Axboe Subject: [PATCH 10/12] btrfs: flag files as supporting buffered async reads Date: Sun, 24 May 2020 13:22:04 -0600 Message-Id: <20200524192206.4093-11-axboe@kernel.dk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200524192206.4093-1-axboe@kernel.dk> References: <20200524192206.4093-1-axboe@kernel.dk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: btrfs uses generic_file_read_iter(), which already supports this. Signed-off-by: Jens Axboe --- fs/btrfs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 719e68ab552c..c933b6a1b4a8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3480,7 +3480,7 @@ static loff_t btrfs_file_llseek(struct file *file, = loff_t offset, int whence) =20 static int btrfs_file_open(struct inode *inode, struct file *filp) { - filp->f_mode |=3D FMODE_NOWAIT; + filp->f_mode |=3D FMODE_NOWAIT | FMODE_BUF_RASYNC; return generic_file_open(inode, filp); } =20 --=20 2.26.2