From eace994a116c9704738be3388f5777c740d9558d Mon Sep 17 00:00:00 2001 From: Gao Xiang Date: Wed, 31 Jul 2019 23:57:48 +0800 Subject: [PATCH] staging: erofs: remove clusterbits in sbi clustersize can now be set on per-file basis rather than per-filesystem basis. Reviewed-by: Chao Yu Signed-off-by: Gao Xiang Link: https://lore.kernel.org/r/20190731155752.210602-19-gaoxiang25@huawei.com Signed-off-by: Greg Kroah-Hartman --- 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 a631acd0dc62..3176c350779e 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; @@ -248,9 +246,6 @@ 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) #define EROFS_PCPUBUF_NR_PAGES Z_EROFS_CLUSTER_MAX_PAGES - -/* page count of a compressed cluster */ -#define erofs_clusterpages(sbi) ((1 << (sbi)->clusterbits) / PAGE_SIZE) #else #define EROFS_PCPUBUF_NR_PAGES 0 #endif /* !CONFIG_EROFS_FS_ZIP */ 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); -- 2.30.2