dm: Drop the block_dev_desc_t typedef
Use 'struct' instead of a typdef. Also since 'struct block_dev_desc' is long
and causes 80-column violations, rename it to struct blk_desc.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index 9fd10de..3eef66f 100644
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -32,13 +32,13 @@
lbaint_t part_offset;
-static block_dev_desc_t *ext4fs_block_dev_desc;
+static struct blk_desc *ext4fs_blk_desc;
static disk_partition_t *part_info;
-void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
+void ext4fs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info)
{
assert(rbdd->blksz == (1 << rbdd->log2blksz));
- ext4fs_block_dev_desc = rbdd;
+ ext4fs_blk_desc = rbdd;
get_fs()->dev_desc = rbdd;
part_info = info;
part_offset = info->start;
@@ -49,11 +49,11 @@
int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
{
unsigned block_len;
- int log2blksz = ext4fs_block_dev_desc->log2blksz;
- ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, (ext4fs_block_dev_desc ?
- ext4fs_block_dev_desc->blksz :
+ int log2blksz = ext4fs_blk_desc->log2blksz;
+ ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, (ext4fs_blk_desc ?
+ ext4fs_blk_desc->blksz :
0));
- if (ext4fs_block_dev_desc == NULL) {
+ if (ext4fs_blk_desc == NULL) {
printf("** Invalid Block Device Descriptor (NULL)\n");
return 0;
}
@@ -69,21 +69,20 @@
/* Get the read to the beginning of a partition */
sector += byte_offset >> log2blksz;
- byte_offset &= ext4fs_block_dev_desc->blksz - 1;
+ byte_offset &= ext4fs_blk_desc->blksz - 1;
debug(" <" LBAFU ", %d, %d>\n", sector, byte_offset, byte_len);
if (byte_offset != 0) {
int readlen;
/* read first part which isn't aligned with start of sector */
- if (ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc,
- part_info->start + sector,
- 1, (void *)sec_buf)
- != 1) {
+ if (ext4fs_blk_desc->block_read(ext4fs_blk_desc,
+ part_info->start + sector,
+ 1, (void *)sec_buf) != 1) {
printf(" ** ext2fs_devread() read error **\n");
return 0;
}
- readlen = min((int)ext4fs_block_dev_desc->blksz - byte_offset,
+ readlen = min((int)ext4fs_blk_desc->blksz - byte_offset,
byte_len);
memcpy(buf, sec_buf + byte_offset, readlen);
buf += readlen;
@@ -95,38 +94,36 @@
return 1;
/* read sector aligned part */
- block_len = byte_len & ~(ext4fs_block_dev_desc->blksz - 1);
+ block_len = byte_len & ~(ext4fs_blk_desc->blksz - 1);
if (block_len == 0) {
- ALLOC_CACHE_ALIGN_BUFFER(u8, p, ext4fs_block_dev_desc->blksz);
+ ALLOC_CACHE_ALIGN_BUFFER(u8, p, ext4fs_blk_desc->blksz);
- block_len = ext4fs_block_dev_desc->blksz;
- ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc,
+ block_len = ext4fs_blk_desc->blksz;
+ ext4fs_blk_desc->block_read(ext4fs_blk_desc,
part_info->start + sector,
1, (void *)p);
memcpy(buf, p, byte_len);
return 1;
}
- if (ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc,
- part_info->start + sector,
- block_len >> log2blksz,
- (void *)buf) !=
- block_len >> log2blksz) {
+ if (ext4fs_blk_desc->block_read(ext4fs_blk_desc,
+ part_info->start + sector,
+ block_len >> log2blksz, (void *)buf)
+ != block_len >> log2blksz) {
printf(" ** %s read error - block\n", __func__);
return 0;
}
- block_len = byte_len & ~(ext4fs_block_dev_desc->blksz - 1);
+ block_len = byte_len & ~(ext4fs_blk_desc->blksz - 1);
buf += block_len;
byte_len -= block_len;
- sector += block_len / ext4fs_block_dev_desc->blksz;
+ sector += block_len / ext4fs_blk_desc->blksz;
if (byte_len != 0) {
/* read rest of data which are not in whole sector */
- if (ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc,
- part_info->start + sector,
- 1, (void *)sec_buf)
- != 1) {
+ if (ext4fs_blk_desc->block_read(ext4fs_blk_desc,
+ part_info->start + sector,
+ 1, (void *)sec_buf) != 1) {
printf("* %s read error - last part\n", __func__);
return 0;
}