From patchwork Sat May 23 18:57:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 11566953 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 95E3D60D for ; Sat, 23 May 2020 18:58:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7248520849 for ; Sat, 23 May 2020 18:58:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="SDURcEf2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729183AbgEWS6P (ORCPT ); Sat, 23 May 2020 14:58:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729005AbgEWS6M (ORCPT ); Sat, 23 May 2020 14:58:12 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95615C08C5C2 for ; Sat, 23 May 2020 11:58:12 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id 124so374881pgi.9 for ; Sat, 23 May 2020 11:58:12 -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=SDURcEf2V5NO/4iU1aE24OeWSLHMCXpJdAgFrdnJEd7bIgxaZY8OsCWvWhzpOJOtb7 RA+oFu3X71L4OYZdo4lWYTXGqp8MWSeWkbW1ZPXTUNI/+Qc/A6l9IJVklr6G4fHvvyM2 eSkYQ36gSdm3LbIvrCiTfPKjmIT0uHzq657/N5EqmkFU1X3ShnSc8TgsHYOsTlmDtjbs fhQgttgwQveWyVOwYI4QoW4GE276osyEbPco1QcSxndNWxRvqeb591UYbiXTc10MOx29 fpGpdY3/b413xwsNy5DGpoifG0/dhZFZd2GrucUQb1vlwz2jFn1Z/Q8UTQqIGSSktfdg vdtQ== 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=UM35d60z7gJH3tApFvXxtF8rC50Tgn23AlgKO+wz6nAvE2Z2di8lAnJ/TBox7H8uzN nfdwnU5rgSZK3i1mAwcPMAaPzE0A+8h/n4bdRc/e7xjndD/5nEMA6Oo4pcdrGNuyzafv K2RpofpBWA3v0GvdjskobsGvShrjWAwG0Iixbl/Ex7ykGG4rPVddK6omHypEIbE7TlTT 0ggQ8rGjmMNhFRSoAZlRovjhHfSE+tKWkds9uGZiGVRHraMSuXBfwoJV7G5hIS8tnqAx b0CwdJJx7iw69j65JL60KyrRb1hjQQo+lZH28nXWVmQg1dLbB+G4R7rY/Zxwj5Ag4Uou W4aA== X-Gm-Message-State: AOAM532wPth0AEAfH6ZgaiRV3muKqrcnrNQBIEew7mCzrUL/mkIJCCsw RKsx78+MdLaGg10pJO71VFRUmw== X-Google-Smtp-Source: ABdhPJyltVIJNk8C4W/9AMto9tWC1IL7mnDA5eVGXtM6JkHvLgYtWln7h/t01grs2y91cUsPUSnHHA== X-Received: by 2002:a63:a36e:: with SMTP id v46mr19101914pgn.378.1590260292180; Sat, 23 May 2020 11:58:12 -0700 (PDT) Received: from x1.lan ([2605:e000:100e:8c61:c94:a67a:9209:cf5f]) by smtp.gmail.com with ESMTPSA id 25sm9297319pjk.50.2020.05.23.11.58.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 May 2020 11:58:11 -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: Sat, 23 May 2020 12:57:53 -0600 Message-Id: <20200523185755.8494-11-axboe@kernel.dk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200523185755.8494-1-axboe@kernel.dk> References: <20200523185755.8494-1-axboe@kernel.dk> MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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) static int btrfs_file_open(struct inode *inode, struct file *filp) { - filp->f_mode |= FMODE_NOWAIT; + filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC; return generic_file_open(inode, filp); }