From patchwork Fri Nov 13 12:51:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 11903289 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFD43C56202 for ; Fri, 13 Nov 2020 12:52:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A83D206D9 for ; Fri, 13 Nov 2020 12:52:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="KHVF1h3j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726598AbgKMMw3 (ORCPT ); Fri, 13 Nov 2020 07:52:29 -0500 Received: from mx2.suse.de ([195.135.220.15]:46860 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726503AbgKMMw2 (ORCPT ); Fri, 13 Nov 2020 07:52:28 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1605271947; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CfO8S8xAGbPEpZVts/MyRk0bhUS4dk926TYIBWlqEW0=; b=KHVF1h3jvpN4TeXdUIA3acatstJNy2bE/xD5cexTBSvH+rvlPy98x0SARW3FGq8iIdNhXZ pdkdsE1IMRU0npvFOK05tOKnfF9WopflhlgrckD+mGeEaHUprsNCFKc2UgxaDiU5fkNzN5 bPFcDcpiuzxM/hRNOIoGzeTY0WRExH8= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id D6DB4ABD6 for ; Fri, 13 Nov 2020 12:52:27 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 10/24] btrfs: introduce a helper to determine if the sectorsize is smaller than PAGE_SIZE Date: Fri, 13 Nov 2020 20:51:35 +0800 Message-Id: <20201113125149.140836-11-wqu@suse.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201113125149.140836-1-wqu@suse.com> References: <20201113125149.140836-1-wqu@suse.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Just to save us several letters for the incoming patches. Signed-off-by: Qu Wenruo --- fs/btrfs/ctree.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 99955b6bfc62..93de6134c65c 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3660,6 +3660,11 @@ static inline int btrfs_defrag_cancelled(struct btrfs_fs_info *fs_info) return signal_pending(current); } +static inline bool btrfs_is_subpage(struct btrfs_fs_info *fs_info) +{ + return (fs_info->sectorsize < PAGE_SIZE); +} + #define in_range(b, first, len) ((b) >= (first) && (b) < (first) + (len)) /* Sanity test specific functions */