Message ID | 20230725185106.2147273-5-shikemeng@huaweicloud.com |
---|---|
State | Superseded |
Headers | show
Return-Path: <SRS0=UzEJ=DL=vger.kernel.org=linux-ext4-owner@ozlabs.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=2404:9400:2221:ea00::3; helo=gandalf.ozlabs.org; envelope-from=srs0=uzej=dl=vger.kernel.org=linux-ext4-owner@ozlabs.org; receiver=<UNKNOWN>) Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R9DPF3JqGz1yXx for <incoming@patchwork.ozlabs.org>; Tue, 25 Jul 2023 20:52:01 +1000 (AEST) Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4R9DPF2sjRz4wxK for <incoming@patchwork.ozlabs.org>; Tue, 25 Jul 2023 20:52:01 +1000 (AEST) Received: by gandalf.ozlabs.org (Postfix) id 4R9DPF2r6Jz4wyC; Tue, 25 Jul 2023 20:52:01 +1000 (AEST) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4R9DPF2l9Dz4wxK for <patchwork-incoming@ozlabs.org>; Tue, 25 Jul 2023 20:52:01 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231792AbjGYKv6 (ORCPT <rfc822;patchwork-incoming@ozlabs.org>); Tue, 25 Jul 2023 06:51:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233793AbjGYKvM (ORCPT <rfc822;linux-ext4@vger.kernel.org>); Tue, 25 Jul 2023 06:51:12 -0400 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 360AC2724; Tue, 25 Jul 2023 03:50:45 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4R9DMh6Z7Rz4f4VkW; Tue, 25 Jul 2023 18:50:40 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.124.27]) by APP2 (Coremail) with SMTP id Syh0CgC3quj+qL9kl7XQOg--.17520S6; Tue, 25 Jul 2023 18:50:41 +0800 (CST) From: Kemeng Shi <shikemeng@huaweicloud.com> To: tytso@mit.edu, adilger.kernel@dilger.ca, ritesh.list@gmail.com, ojaswin@linux.ibm.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Cc: shikemeng@huaweicloud.com Subject: [PATCH v2 04/10] ext4: use is_power_of_2 helper in ext4_mb_regular_allocator Date: Wed, 26 Jul 2023 02:51:00 +0800 Message-Id: <20230725185106.2147273-5-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20230725185106.2147273-1-shikemeng@huaweicloud.com> References: <20230725185106.2147273-1-shikemeng@huaweicloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: Syh0CgC3quj+qL9kl7XQOg--.17520S6 X-Coremail-Antispam: 1UD129KBjvdXoW7GF1rJr1UurW8GF4xAw1kXwb_yoWfXFX_Ga 4jkr48JFWfJr1xC3ZYyayrKr9YqFn5AF45XFs3JrsxXF1UZa97Kw1qyrs3Zr48Gr47ArZx WasxGFy0ya9a9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbDkFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M280x2IEY4vEnII2IxkI6r1a6r45M28IrcIa0xkI8V A2jI8067AKxVWUAVCq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJ M28CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2I x0cI8IcVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK 6I8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4 xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8 JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20V AGYxC7MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAF wI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc4 0Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AK xVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr 1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7sRiVbyDUU UUU== X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-CFilter-Loop: Reflected X-Spam-Status: No, score=0.0 required=5.0 tests=BAYES_00,DATE_IN_FUTURE_06_12, KHOP_HELO_FCRDNS,MAY_BE_FORGED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-ext4.vger.kernel.org> X-Mailing-List: linux-ext4@vger.kernel.org |
Series |
A few fixes and cleanups to mballoc
|
expand
|
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bf309c4d686e..35c6224d453c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2794,10 +2794,7 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac) * requests upto maximum buddy size we have constructed. */ if (i >= sbi->s_mb_order2_reqs && i <= MB_NUM_ORDERS(sb)) { - /* - * This should tell if fe_len is exactly power of 2 - */ - if ((ac->ac_g_ex.fe_len & (~(1 << (i - 1)))) == 0) + if (is_power_of_2(ac->ac_g_ex.fe_len)) ac->ac_2order = array_index_nospec(i - 1, MB_NUM_ORDERS(sb)); }