From patchwork Fri Dec 13 12:25:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kemeng Shi X-Patchwork-Id: 13906406 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E15B782866; Fri, 13 Dec 2024 03:27:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734060435; cv=none; b=N/KTwMYojCGFcSB3gM79A7iwCKv+aZEfiEcuzXEXNRvVm6xrhRJMRSvGOc0aUYwekQbh23fhjyGtVh9/febFE0IP3hAyRdEL2ShgvE1WCCVnLOCN3TrcfLfOoA2Hrl4mfaDYbhcPoZLnWPldEg5VdBluiIFIGDWpsmde4waHq2A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734060435; c=relaxed/simple; bh=XtlA+Aq0rbUEYLB0kd7+wNs8u/7jCZVEWBvDzDhooDM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=MYiUeouEXn3SULg+7mAM78FgezIYX9AsEEZHpz52JTbiTLqE+3yRKJV8Kfm7g8YWJCvEUTK8xfudNDHgBCUZnRjdN2SJbzQ/71mdqS4VynuS93TZ/YaCzBE5rZw8Q2cbLSdyGlvLyzY5WrEFK8ubYm39Q0i4Hi8IT4j7fs82sCM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Y8ZWb40pTz4f3jrm; Fri, 13 Dec 2024 11:26:51 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id DB27C1A0359; Fri, 13 Dec 2024 11:27:10 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.101.6]) by APP4 (Coremail) with SMTP id gCh0CgBHcISMqVtnfJ3KEQ--.55430S6; Fri, 13 Dec 2024 11:27:10 +0800 (CST) From: Kemeng Shi To: akpm@linux-foundation.org, willy@infradead.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 4/5] Xarray: remove repeat check in xas_squash_marks() Date: Fri, 13 Dec 2024 20:25:22 +0800 Message-Id: <20241213122523.12764-5-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20241213122523.12764-1-shikemeng@huaweicloud.com> References: <20241213122523.12764-1-shikemeng@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgBHcISMqVtnfJ3KEQ--.55430S6 X-Coremail-Antispam: 1UD129KBjvdXoWrtFWxKF1Dtr4kXFy7Xw4kCrg_yoWxtwb_Za 10yr1vyr1UCrn7XwsIkFs8tryjkryvqF9rKFW8Ja43ur10qry5WF4vqr15Aa4kZw4ayFy7 JF45Zr1Y9r15GjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbqxYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l87I20VAvwVAaII0Ic2I_JFv_Gryl82 xGYIkIc2x26280x7IE14v26r126s0DM28IrcIa0xkI8VCY1x0267AKxVW8JVW5JwA2ocxC 64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM2 8EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0D M28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc 02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAF wI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxkF7I0En4kS14 v26r126r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8C rVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtw CIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x02 67AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr 0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IUnVw Z3UUUUU== X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ Caller of xas_squash_marks() has ensured xas->xa_sibs is non-zero. Just remove repeat check of xas->xa_sibs in xas_squash_marks(). Signed-off-by: Kemeng Shi --- lib/xarray.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/lib/xarray.c b/lib/xarray.c index 3fac3f2cea9d..4231af284bd8 100644 --- a/lib/xarray.c +++ b/lib/xarray.c @@ -128,9 +128,6 @@ static void xas_squash_marks(const struct xa_state *xas) unsigned int mark = 0; unsigned int limit = xas->xa_offset + xas->xa_sibs + 1; - if (!xas->xa_sibs) - return; - do { unsigned long *marks = xas->xa_node->marks[mark]; if (find_next_bit(marks, limit, xas->xa_offset + 1) == limit)