From patchwork Mon Mar 27 23:27:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 13190233 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05CE9C6FD1D for ; Mon, 27 Mar 2023 23:27:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230344AbjC0X1i (ORCPT ); Mon, 27 Mar 2023 19:27:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbjC0X1b (ORCPT ); Mon, 27 Mar 2023 19:27:31 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2ECA52689 for ; Mon, 27 Mar 2023 16:27:25 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id k2so9981272pll.8 for ; Mon, 27 Mar 2023 16:27:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1679959644; x=1682551644; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=OVcuVvAUld5UR637XbG/ZdiLaagMM1L+LCw7YZ/2VGk=; b=T293V8XpRDl9QV0XcP79UjQ2f/3oLo36EMRY4z8m06cXSH+NbRl3OAb9uz9rJdLecS 2cABI60V3obZi/4EleK2C86ob2Q8nkAtXqHQrSAtUO5pl3haZGjsdwtxm79sf6psXipf xaNWp1xWrUEykkIZ2DMzQ5QCDa46QCvY6Wmm874jMBMdvAysI5kCVjN2+yWp2nZA3+ZT u0zo2PkL8oXFaa+oTwoNMLR0p4heSYjSKDcpgx3eqDuM3fFER/gkpBEgWGqSZ9THq3fi Jzc0PQSblw6xmOjwABZXLjzxQIsvwMObKr32oO6KNnCQOfMzoP6FAR43g9Mk0MURwsQW TfYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679959644; x=1682551644; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=OVcuVvAUld5UR637XbG/ZdiLaagMM1L+LCw7YZ/2VGk=; b=8Am0dDglK3dkQo/diKkNk7W6ztWzgIQ2BVuk7L47IAU1Yk6+F9ys77b1YeJs3EJxfB QRMUQWqW1JMRMC/zuyYbaYryDh0e92QAbePCGylk0cJHA21DpCfP9UPUIOApvMvg1q7B dKBPEgjjm4A+CyfQJuUTrr0Nj8BmJ94oFQwVIJwXRCoC4TjNOnq2J66I0wYD4dI4M/8k T+SDXjC/owps6YsxhRnprAyQfY8p4op5rN4OGTdt6zeH57MYNRUxd6cExKICNzOVYyHw 47j9tt7t6970v0LdQ2T9zZsagGwaz7nOr41SfrFEzlRtD9pCdcivdsBmUbFZqaBZa8/n MyBQ== X-Gm-Message-State: AO0yUKXqxJQWoelXaRgtFTlslL7puE5LgZpFXCak3c2PqYpD+pMsyVSP n8HQy5cJziwHIejSi951whPkmMuZdKSWSshvlbrVgQ== X-Google-Smtp-Source: AK7set8YTp+Za/rUYmIMlAu0FTsFJk1NuyfYFBB00Uewgf//8B6f3gnjC02IDLifcz12lc/p49TWzA== X-Received: by 2002:a05:6a20:8e08:b0:cd:2c0a:6ec0 with SMTP id y8-20020a056a208e0800b000cd2c0a6ec0mr19616328pzj.3.1679959644170; Mon, 27 Mar 2023 16:27:24 -0700 (PDT) Received: from localhost.localdomain ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id s14-20020a170902b18e00b001a1ccb37847sm15534222plr.146.2023.03.27.16.27.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 16:27:23 -0700 (PDT) From: Jens Axboe To: linux-fsdevel@vger.kernel.org Cc: torvalds@linux-foundation.org, brauner@kernel.org, viro@zeniv.linux.org.uk Subject: [PATCHSET v3 0/4] Turn single segment imports into ITER_UBUF Date: Mon, 27 Mar 2023 17:27:10 -0600 Message-Id: <20230327232713.313974-1-axboe@kernel.dk> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi, Rather than repeat the same blurb again, see the v2 posting here: https://lore.kernel.org/linux-fsdevel/20230327180449.87382-1-axboe@kernel.dk/ tldr - turn single segment iovecs into ITER_UBUF rather than ITER_IOVEC, because they are more efficient. Since v2: - Add prep patch based on Al's suggestion on just making iov_iter_iovec() deal with ITER_UBUF. - Drop previous two prep patches, as they are no longer needed.