From patchwork Wed Sep 4 02:08:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gao Xiang X-Patchwork-Id: 11129131 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E974217EF for ; Wed, 4 Sep 2019 02:10:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C72B623400 for ; Wed, 4 Sep 2019 02:10:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727828AbfIDCKW (ORCPT ); Tue, 3 Sep 2019 22:10:22 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:57228 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727381AbfIDCKW (ORCPT ); Tue, 3 Sep 2019 22:10:22 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5B6A46BC7B4DED72A622; Wed, 4 Sep 2019 10:10:20 +0800 (CST) Received: from architecture4.huawei.com (10.140.130.215) by smtp.huawei.com (10.3.19.211) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 4 Sep 2019 10:10:09 +0800 From: Gao Xiang To: Chao Yu , Greg Kroah-Hartman , Christoph Hellwig , CC: , , Chao Yu , Miao Xie , Gao Xiang Subject: [PATCH v2 05/25] erofs: update erofs_inode_is_data_compressed helper Date: Wed, 4 Sep 2019 10:08:52 +0800 Message-ID: <20190904020912.63925-6-gaoxiang25@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190904020912.63925-1-gaoxiang25@huawei.com> References: <20190901055130.30572-1-hsiangkao@aol.com> <20190904020912.63925-1-gaoxiang25@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.140.130.215] X-CFilter-Loop: Reflected Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org As Christoph said, "This looks like a really obsfucated way to write: return datamode == EROFS_INODE_FLAT_COMPRESSION || datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY; " Although I had my own consideration, it's the right way for now. [1] https://lore.kernel.org/r/20190829095954.GB20598@infradead.org/ Reported-by: Christoph Hellwig Signed-off-by: Gao Xiang --- fs/erofs/erofs_fs.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h index 59dcc2e8cb02..87d7ae82339a 100644 --- a/fs/erofs/erofs_fs.h +++ b/fs/erofs/erofs_fs.h @@ -62,9 +62,8 @@ enum { static inline bool erofs_inode_is_data_compressed(unsigned int datamode) { - if (datamode == EROFS_INODE_FLAT_COMPRESSION) - return true; - return datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY; + return datamode == EROFS_INODE_FLAT_COMPRESSION || + datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY; } /* bit definitions of inode i_advise */