From patchwork Thu Sep 28 16:17:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kemeng Shi X-Patchwork-Id: 13402250 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 31A9ACE7B0D for ; Thu, 28 Sep 2023 08:18:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231246AbjI1ISj (ORCPT ); Thu, 28 Sep 2023 04:18:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229605AbjI1ISh (ORCPT ); Thu, 28 Sep 2023 04:18:37 -0400 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C056298; Thu, 28 Sep 2023 01:18:35 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4Rx5w75hL6z4f3kJw; Thu, 28 Sep 2023 16:18:31 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.124.27]) by APP3 (Coremail) with SMTP id _Ch0CgAngVDXNhVlhwUABg--.50964S2; Thu, 28 Sep 2023 16:18:32 +0800 (CST) From: Kemeng Shi To: viro@zeniv.linux.org.uk, brauner@kernel.org, dhowells@redhat.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] Two cleanups to pipe Date: Fri, 29 Sep 2023 00:17:50 +0800 Message-Id: <20230928161752.142268-1-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-CM-TRANSID: _Ch0CgAngVDXNhVlhwUABg--.50964S2 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYn7kC6x804xWl14x267AKxVWUJVW8JwAF c2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2jI8I6cxK62 vIxIIY0VWUZVW8XwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xII jxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjc xK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IY c4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI 0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY 0x0EwIxGrwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1l IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWrJr0_WFyUJwCI42IY6I8E87Iv67AK xVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvj xUI-eoUUUUU X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This series tries to remove some unnecessary check in pipe. More details can be found in respective patches. Thanks! Kemeng Shi (2): pipe: remove pipe_full check with wrong head in pipe_write pipe: avoid repeat check of pipe->readers under pipe_lock fs/pipe.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-)