[PATCH] erofs-mkfs: mkfs_erofs.h: clean up definitions
Gao Xiang
hsiangkao at aol.com
Wed Dec 12 06:14:44 AEDT 2018
remove some duplicated definitions and
keep in line with kernel names.
Signed-off-by: Gao Xiang <hsiangkao at aol.com>
---
erofs_cache.c | 11 ++++-------
erofs_io.c | 3 +--
mkfs_erofs.h | 23 ++++++++++-------------
mkfs_file.c | 4 ++--
mkfs_inode.c | 28 ++++++++++++++--------------
mkfs_main.c | 6 +++---
6 files changed, 34 insertions(+), 41 deletions(-)
diff --git a/erofs_cache.c b/erofs_cache.c
index 5b80592..cfecd7f 100644
--- a/erofs_cache.c
+++ b/erofs_cache.c
@@ -45,10 +45,10 @@ u32 erofs_alloc_blocks(u32 nblocks)
devlen = dev_length();
if (erofs_current_block > (u64)UINT32_MAX ||
erofs_current_block + nblocks > ((u64)UINT32_MAX) + 1 ||
- (erofs_current_block + nblocks) << EROFS_BLOCKSIZE_BITS > devlen) {
+ blknr_to_addr(erofs_current_block + nblocks) > devlen) {
erofs_err("There is no enough free space(curr: %llu, need: %u, device blocks: %llu).",
(unsigned long long)erofs_current_block, nblocks,
- (unsigned long long)devlen >> EROFS_BLOCKSIZE_BITS);
+ (unsigned long long)erofs_blknr(devlen));
return 0;
}
@@ -143,7 +143,6 @@ int erofs_flush_all_blocks(void)
char *pbuf;
int count;
int ret;
- u32 addr;
erofs_blk_buf = malloc(EROFS_BLKSIZE);
if (!erofs_blk_buf)
@@ -175,10 +174,8 @@ int erofs_flush_all_blocks(void)
pbuf += count;
}
- addr = blk->bb_blkaddr;
-
- ret = dev_write(
- erofs_blk_buf, BLKNO_TO_ADDR(addr), EROFS_BLKSIZE);
+ ret = dev_write(erofs_blk_buf,
+ blknr_to_addr(blk->bb_blkaddr), EROFS_BLKSIZE);
if (ret)
break;
}
diff --git a/erofs_io.c b/erofs_io.c
index 8112ade..57e283e 100644
--- a/erofs_io.c
+++ b/erofs_io.c
@@ -155,8 +155,7 @@ int dev_write_block(void *buf, u32 blkaddr)
{
erofs_info("Write data to block %u", blkaddr);
- return dev_write(buf, ((off64_t)blkaddr) << EROFS_BLOCKSIZE_BITS,
- EROFS_BLKSIZE);
+ return dev_write(buf, blknr_to_addr(blkaddr), EROFS_BLKSIZE);
}
int dev_fsync(void)
diff --git a/mkfs_erofs.h b/mkfs_erofs.h
index be6305e..e5bfc72 100644
--- a/mkfs_erofs.h
+++ b/mkfs_erofs.h
@@ -9,6 +9,7 @@
*/
#ifndef __EROFS_MKFS_H
#define __EROFS_MKFS_H
+
#include <linux/limits.h>
#include "list_head.h"
#include "erofs_types.h"
@@ -19,19 +20,12 @@ typedef unsigned int __u32;
#include "erofs_fs.h"
-#ifndef PAGE_SIZE
-#define PAGE_SIZE (4096)
-#endif
-
-#ifndef EROFS_BLKSIZE
+#define LOG_BLOCK_SIZE (12)
#define EROFS_BLKSIZE (4096)
#define EROFS_BLOCKSIZE_BITS (12)
-#endif
-#define EROFS_BLOCK_SIZE_SHIFT_BITS (12)
#define EROFS_SLOTSIZE_BITS (5)
#define EROFS_SLOTSIZE (32)
-#define MKFS_DIFF_SHIFT_8_BITS (8)
#define __round_mask(x, y) ((__typeof__(x))((y)-1))
#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
@@ -39,16 +33,19 @@ typedef unsigned int __u32;
#define SIZE_ALIGN(val, size) (((val) + (size) - 1) & (~(size-1)))
#define SLOT_ALIGN(slots) SIZE_ALIGN(slots, EROFS_SLOTSIZE)
-#define PAGE_ALIGN(pages) SIZE_ALIGN(pages, PAGE_SIZE)
#define BLK_ALIGN(blks) SIZE_ALIGN(blks, EROFS_BLKSIZE)
#define IS_SLOT_ALIGN(__ADDR) (((__ADDR)%(EROFS_SLOTSIZE))?0:1)
#define IS_BLK_ALIGN(__ADDR) (((__ADDR)%(EROFS_BLKSIZE))?0:1)
-#define ADDR_TO_BLKNO(__ADDR) ((__ADDR) >> EROFS_BLOCKSIZE_BITS)
-#define BLKNO_TO_ADDR(__ADDR) ((u64)(__ADDR) << EROFS_BLOCKSIZE_BITS)
#define MAX_NID_INDEX_PER_BLK (EROFS_BLKSIZE / EROFS_SLOTSIZE)
-#define EROFS_INODE_V1_SIZE sizeof(struct erofs_inode_v1)
-#define EROFS_INODE_V2_SIZE sizeof(struct erofs_inode_v2)
+typedef u64 erofs_off_t;
+
+/* data type for filesystem-wide blocks number */
+typedef u32 erofs_blk_t;
+
+#define erofs_blknr(addr) ((addr) / EROFS_BLKSIZ)
+#define erofs_blkoff(addr) ((addr) % EROFS_BLKSIZ)
+#define blknr_to_addr(nr) ((erofs_off_t)(nr) * EROFS_BLKSIZ)
#define EROFS_DIRENT_SIZE sizeof(struct erofs_dirent)
diff --git a/mkfs_file.c b/mkfs_file.c
index 634208e..9aa62e2 100644
--- a/mkfs_file.c
+++ b/mkfs_file.c
@@ -437,7 +437,7 @@ static int erofs_compress_noinline_file_data(struct erofs_compr_info *cinfo,
else
cross = end - start;
- clusterofs = pos % PAGE_SIZE;
+ clusterofs = pos % EROFS_BLKSIZE;
delta = 0;
/*
@@ -508,7 +508,7 @@ int erofs_write_compress_data(struct erofs_compr_ctx *cctx)
if (!blkaddr)
return -ENOSPC;
- ret = dev_write(cctx->cc_dstbuf, BLKNO_TO_ADDR(blkaddr),
+ ret = dev_write(cctx->cc_dstbuf, blknr_to_addr(blkaddr),
cctx->cc_dstlen);
if (ret)
diff --git a/mkfs_inode.c b/mkfs_inode.c
index 102fa55..db8e586 100644
--- a/mkfs_inode.c
+++ b/mkfs_inode.c
@@ -38,9 +38,9 @@ u32 erofs_calc_inode_base_size(struct erofs_node_info *inode)
u32 size;
if (inode->i_iver == EROFS_INODE_LAYOUT_V1)
- size = EROFS_INODE_V1_SIZE;
+ size = sizeof(struct erofs_inode_v1);
else
- size = EROFS_INODE_V2_SIZE;
+ size = sizeof(struct erofs_inode_v2);
return size;
}
@@ -184,7 +184,7 @@ void mkfs_rank_inode(struct erofs_node_info *inode)
node->m_slot = blk->bb_free_slot;
node->m_len = round_up(request_size, EROFS_SLOTSIZE);
list_add_tail(&node->m_node, &blk->bb_metadata_list);
- inode->i_base_addr = BLKNO_TO_ADDR(blk->bb_blkaddr) +
+ inode->i_base_addr = blknr_to_addr(blk->bb_blkaddr) +
blk->bb_free_slot * EROFS_SLOTSIZE;
blk->bb_free_slot += node->m_len / EROFS_SLOTSIZE;
next = list_next_entry(blk, bb_global_node);
@@ -393,7 +393,7 @@ static int mkfs_write_inode_dir(struct erofs_node_info *inode)
write_dirents(pbuf, sum, start, pos);
ret = dev_write(pbuf,
- BLKNO_TO_ADDR(addr),
+ blknr_to_addr(addr),
EROFS_BLKSIZE);
if (ret < 0) {
erofs_err(
@@ -445,7 +445,7 @@ static int mkfs_write_inode_dir(struct erofs_node_info *inode)
write_dirents(pbuf, sum, start, pos);
dev_write(pbuf,
- BLKNO_TO_ADDR(addr),
+ blknr_to_addr(addr),
EROFS_BLKSIZE);
if (ret < 0) {
erofs_err(
@@ -470,8 +470,8 @@ static int mkfs_write_inode_dir(struct erofs_node_info *inode)
const u32 addr = inode->i_blkaddr + blk_cnt;
write_dirents(pbuf, sum, start, pos);
- ret = dev_write(
- pbuf, BLKNO_TO_ADDR(addr), EROFS_BLKSIZE);
+ ret = dev_write(pbuf, blknr_to_addr(addr),
+ EROFS_BLKSIZE);
if (ret < 0) {
erofs_err("dev_write inode[%s] error[%s]",
inode->i_fullpath,
@@ -536,8 +536,8 @@ static int mkfs_write_inode_regfile(struct erofs_node_info *inode)
addr = inode->i_blkaddr + i;
- ret = dev_write(
- pbuf, BLKNO_TO_ADDR(addr), EROFS_BLKSIZE);
+ ret = dev_write(pbuf, blknr_to_addr(addr),
+ EROFS_BLKSIZE);
if (ret < 0) {
erofs_err("dev_write inode[%s] ret[%d]",
filepath,
@@ -587,7 +587,7 @@ static int mkfs_write_inode_regfile(struct erofs_node_info *inode)
addr = inode->i_blkaddr + i;
ret = dev_write(pbuf,
- BLKNO_TO_ADDR(addr),
+ blknr_to_addr(addr),
EROFS_BLKSIZE);
if (ret < 0) {
erofs_err("dev_write inode[%s] ret[%d]",
@@ -657,8 +657,8 @@ static int mkfs_write_inode_symfile(struct erofs_node_info *inode)
return -errno;
}
- ret = dev_write(
- pbuf, BLKNO_TO_ADDR(inode->i_blkaddr), EROFS_BLKSIZE);
+ ret = dev_write(pbuf, blknr_to_addr(inode->i_blkaddr),
+ EROFS_BLKSIZE);
if (ret < 0) {
erofs_err("dev_write inode[%s] error[%s]",
inode->i_fullpath,
@@ -778,7 +778,7 @@ static int erofs_do_write_inode_buffer(struct erofs_node_info *inode, char *buf)
}
v1->i_checksum = 0;
- return EROFS_INODE_V1_SIZE;
+ return sizeof(*v1);
}
v2 = (struct erofs_inode_v2 *)buf;
@@ -814,7 +814,7 @@ static int erofs_do_write_inode_buffer(struct erofs_node_info *inode, char *buf)
}
v2->i_checksum = 0;
- return EROFS_INODE_V2_SIZE;
+ return sizeof(*v2);
}
int erofs_write_inode_buffer(struct erofs_node_info *inode, char *buf)
diff --git a/mkfs_main.c b/mkfs_main.c
index d26d050..17611f4 100644
--- a/mkfs_main.c
+++ b/mkfs_main.c
@@ -29,7 +29,7 @@
static struct erofs_super_block erosb = {
.magic = cpu_to_le32(EROFS_SUPER_MAGIC_V1),
- .blkszbits = EROFS_BLOCK_SIZE_SHIFT_BITS,
+ .blkszbits = LOG_BLOCK_SIZE,
.root_nid = cpu_to_le16(ROOT_INODE_NUM),
.inos = 0,
.blocks = 0,
@@ -128,7 +128,7 @@ void mkfs_update_erofs_header(u64 root_addr)
sb->build_time_nsec = cpu_to_le32(t.tv_usec);
}
- sb->meta_blkaddr = cpu_to_le32(ADDR_TO_BLKNO(size));
+ sb->meta_blkaddr = cpu_to_le32(erofs_blknr(size));
sb->blocks = cpu_to_le32(erofs_get_total_blocks());
sb->root_nid = cpu_to_le16(mkfs_addr_to_nid(root_addr));
@@ -163,7 +163,7 @@ int main(int argc, char **argv)
if (err)
goto exit;
- err = erofs_cache_init(ADDR_TO_BLKNO(BLK_ALIGN(EROFS_SUPER_END)));
+ err = erofs_cache_init(erofs_blknr(BLK_ALIGN(EROFS_SUPER_END)));
if (err)
goto exit;
--
2.11.0
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