clustersize can now be set on per-file basis
rather than per-filesystem basis.
Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>
---
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);
--
2.17.1
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