From patchwork Thu Jun 18 14:43:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 11612361 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 09F14618 for ; Thu, 18 Jun 2020 14:45:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF89C20890 for ; Thu, 18 Jun 2020 14:45:13 +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="CmsR4pnk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731061AbgFROpL (ORCPT ); Thu, 18 Jun 2020 10:45:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731005AbgFROoY (ORCPT ); Thu, 18 Jun 2020 10:44:24 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED9FCC061796 for ; Thu, 18 Jun 2020 07:44:17 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id e9so2991133pgo.9 for ; Thu, 18 Jun 2020 07:44:17 -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:reply-to :mime-version:content-transfer-encoding; bh=agiR+Byeck2s775I8LSKf8tm0BQVQsWoO+u3QsmIwcE=; b=CmsR4pnk1FMjkbrTWikiw1ru36jrxC1tfShgKpQNL5fwTTR48LJzuB0WFeslN0A8R7 yVhdczhT7rCHZGNSPImdCvg2GFHYjPZq3Lo8LN55YdVfIqbcMnyIHIfCWRTp7nIlWoCP 8mIA0QOEOodS5hrggItuRz50XlDx1FRg2U51ti0K2K6RLhv04afTVM85LjEQHy1K3put aih63C1nllRb0Y93OtUHEJJE5MygBtOKi6TQwE2EGgx2382rGAnQZJ70Af+bxcWW78if p90wfGKQkPEoYPs0wXfDt35iVSEZ+5uCYlZohmz4//abZsAjr1a8x2PskDZN8j4J5CQD CYxQ== 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:reply-to:mime-version:content-transfer-encoding; bh=agiR+Byeck2s775I8LSKf8tm0BQVQsWoO+u3QsmIwcE=; b=tnljA0G5yysSotr5D7W3Kz3LElR+5y7zVr6a3D8R5JXx94ldyuRRdb6weVWsJv3l0l eLa6Jm5JnTGHg7IWy+uPwH4Uxf4BKyCFb0GXd+nzBUdrx/8M8nmrxABPTVyiK/Rv2euq sulCLLhdJVP4ff6DKQLZvwL21QT/5/dTanHH12EvmPwzU8yL4MMXydnyymkC9wCQcQ6B Y4dcw/C1A3sReZqqJp/izWU0qRxTOrycnAJNrwZ85Zs6VDJWzw5abiRGF2a9azn1/cv+ 0FAbHghvAKAB9cT8q61yYqS2OwBxQ7RRPFGTvxgUf4tF8+qWbvbPGi2lzo4qtS3BVvJC 6I/w== X-Gm-Message-State: AOAM531BNOlj+Vd9JxDj8cxLkrNRdSGpdY4D/XpFAz15jhRQxcpQ4EaC ioPmp+eLfOnfIlsGQ7sNLeLUXQ== X-Google-Smtp-Source: ABdhPJyNr3+kHnVN8fM6oIP5PSOO4gsldaD6y/PdYSuuK7cpSwrVAwO5ubxT1Qc0fzuBScSDRUwL4w== X-Received: by 2002:a65:6558:: with SMTP id a24mr1850398pgw.110.1592491457531; Thu, 18 Jun 2020 07:44:17 -0700 (PDT) Received: from x1.localdomain ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id g9sm3127197pfm.151.2020.06.18.07.44.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2020 07:44:17 -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 , Theodore Ts'o Subject: [PATCH 13/15] ext4: flag as supporting buffered async reads Date: Thu, 18 Jun 2020 08:43:53 -0600 Message-Id: <20200618144355.17324-14-axboe@kernel.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200618144355.17324-1-axboe@kernel.dk> References: <20200618144355.17324-1-axboe@kernel.dk> Reply-To: "[PATCHSET v7 0/15]"@vger.kernel.org, Add@vger.kernel.org, support@vger.kernel.org, for@vger.kernel.org, async@vger.kernel.org, buffered@vger.kernel.org, reads@vger.kernel.org MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org ext4 uses generic_file_read_iter(), which already supports this. Cc: Theodore Ts'o Signed-off-by: Jens Axboe --- fs/ext4/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 2a01e31a032c..1e827410e9e1 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -839,7 +839,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp) return ret; } - filp->f_mode |= FMODE_NOWAIT; + filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC; return dquot_file_open(inode, filp); }