From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=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 6A45BC7618B for ; Mon, 29 Jul 2019 06:52:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D23E21655 for ; Mon, 29 Jul 2019 06:52:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727283AbfG2Gwr (ORCPT ); Mon, 29 Jul 2019 02:52:47 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:3193 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727234AbfG2Gwm (ORCPT ); Mon, 29 Jul 2019 02:52:42 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 3EC1F87E38B0EC7EB497; Mon, 29 Jul 2019 14:52:40 +0800 (CST) Received: from architecture4.huawei.com (10.140.130.215) by smtp.huawei.com (10.3.19.210) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 29 Jul 2019 14:52:32 +0800 From: Gao Xiang To: Greg Kroah-Hartman , CC: LKML , , "Chao Yu" , Miao Xie , , Fang Wei , Gao Xiang Subject: [PATCH 17/22] staging: erofs: remove clusterbits in sbi Date: Mon, 29 Jul 2019 14:51:54 +0800 Message-ID: <20190729065159.62378-18-gaoxiang25@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190729065159.62378-1-gaoxiang25@huawei.com> References: <20190729065159.62378-1-gaoxiang25@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.140.130.215] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org clustersize can now be set on per-file basis rather than per-filesystem basis. Signed-off-by: Gao Xiang --- drivers/staging/erofs/internal.h | 5 ----- drivers/staging/erofs/super.c | 9 --------- drivers/staging/erofs/zmap.c | 3 +-- 3 files changed, 1 insertion(+), 16 deletions(-) diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index e35c7d8f75d2..be856c9facd1 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -77,8 +77,6 @@ struct erofs_sb_info { struct list_head list; struct mutex umount_mutex; - /* cluster size in bit shift */ - unsigned char clusterbits; /* the dedicated workstation for compression */ struct radix_tree_root workstn_tree; @@ -267,9 +265,6 @@ static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp) /* hard limit of pages per compressed cluster */ #define Z_EROFS_CLUSTER_MAX_PAGES (CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT) -/* page count of a compressed cluster */ -#define erofs_clusterpages(sbi) ((1 << (sbi)->clusterbits) / PAGE_SIZE) - #define EROFS_PCPUBUF_NR_PAGES Z_EROFS_CLUSTER_MAX_PAGES #else #define EROFS_PCPUBUF_NR_PAGES 0 diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index af5d87793e4d..dad5a3137988 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -124,15 +124,6 @@ static int superblock_read(struct super_block *sb) sbi->xattr_blkaddr = le32_to_cpu(layout->xattr_blkaddr); #endif sbi->islotbits = ffs(sizeof(struct erofs_inode_v1)) - 1; -#ifdef CONFIG_EROFS_FS_ZIP - /* TODO: clusterbits should be related to inode */ - sbi->clusterbits = blkszbits; - - if (1 << (sbi->clusterbits - PAGE_SHIFT) > Z_EROFS_CLUSTER_MAX_PAGES) - errln("clusterbits %u is not supported on this kernel", - sbi->clusterbits); -#endif - sbi->root_nid = le16_to_cpu(layout->root_nid); sbi->inos = le64_to_cpu(layout->inos); diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c index 205e884ca4e0..aeed5c674d9e 100644 --- a/drivers/staging/erofs/zmap.c +++ b/drivers/staging/erofs/zmap.c @@ -13,13 +13,12 @@ int z_erofs_fill_inode(struct inode *inode) { struct erofs_vnode *const vi = EROFS_V(inode); - struct super_block *const sb = inode->i_sb; if (vi->datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY) { vi->z_advise = 0; vi->z_algorithmtype[0] = 0; vi->z_algorithmtype[1] = 0; - vi->z_logical_clusterbits = EROFS_SB(sb)->clusterbits; + vi->z_logical_clusterbits = LOG_BLOCK_SIZE; vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits; vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits; set_bit(EROFS_V_Z_INITED_BIT, &vi->flags); -- 2.17.1