From patchwork Tue May 26 19:51:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 11571173 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 D2F49159A for ; Tue, 26 May 2020 19:52:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BACB7207CB for ; Tue, 26 May 2020 19:52:04 +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="UT8tDTtj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389772AbgEZTvx (ORCPT ); Tue, 26 May 2020 15:51:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389809AbgEZTvm (ORCPT ); Tue, 26 May 2020 15:51:42 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E154BC03E979 for ; Tue, 26 May 2020 12:51:40 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id t16so9105652plo.7 for ; Tue, 26 May 2020 12:51:40 -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=UT8tDTtjIxNNLckeUW39C1DftMV8tadKSzZHS24JY/ZgL6QUhytEvq2lkIf1qolpKk U19xBYg0KGV33rpnvi79D2PmiTq7vV4GnQy/vbDB5t3xuGIzSzGqlvQmaVY0B+9G+GIX llYo8cOvcrKG7jjvG4eBsx1q+LF9dT2crnAC1DmoY/wdrKeOH+NZ2+jAdxVlTNFeGy4a bQz1a2+aBWm5/WLAaDmlh/4XzvXPR5G3jeezjLE44Z3L1BaD260oHfxmj3fx6/puUmDQ a+gZr/lzYlcH0GBmCG9QZp0U8aQKyRwejv/NOtaCLlRLWl4GrEw481VCXscus2avzuQ2 95Ew== 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=dYgfRkQzfOXtlZBFh/I0BkuYS6dKzJh50gFGkcK5ILzWF4CM66QC5V9mYopP5LXc3/ qofWiIeF9vqGF9fVrzcyWImLt3kV5XrthC9cDjIDsoZRMKvvCf3EtEKVZ8yNNeNbW5ni Lx6o66NBLg2q38MppYz+a5s16ONIJW5PBIY/sN8Ymz+ZWsWXZRpPr2EEY2LoPOFPAaRc RbXZqpKCs0vA0e1xFm2ly/njdepbhfrswDmIBUWrBVtiTpeDXD8ni/n1Y8QEhzeyrJ// xSw5MxDHT/o/WRB9H2r3Zt5FPBZlULtFoc/yVZAW5Qq8bIphjtQWrvZp8b3k5N+Qo8KT fBvQ== X-Gm-Message-State: AOAM531UvyZfSCmEF1JhoP/x0aos/ted/c0FgbLkb5bFWMJoysIyXTtH 9BEbI0r2FvHN7fHQsXJ/+FogpQ== X-Google-Smtp-Source: ABdhPJyosEhz0s+kAgLEF75WSYNIzH1LsNfIRNs9Hso+92gcwzjdxDZZ5u7k8VwB526quKNtSk2K0Q== X-Received: by 2002:a17:90a:a78f:: with SMTP id f15mr930733pjq.226.1590522700418; Tue, 26 May 2020 12:51:40 -0700 (PDT) Received: from x1.lan ([2605:e000:100e:8c61:94bb:59d2:caf6:70e1]) by smtp.gmail.com with ESMTPSA id c184sm313943pfc.57.2020.05.26.12.51.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 May 2020 12:51:39 -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, akpm@linux-foundation.org, Jens Axboe Subject: [PATCH 10/12] btrfs: flag files as supporting buffered async reads Date: Tue, 26 May 2020 13:51:21 -0600 Message-Id: <20200526195123.29053-11-axboe@kernel.dk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526195123.29053-1-axboe@kernel.dk> References: <20200526195123.29053-1-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 Acked-by: Chris Mason --- 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); }