*
* ext4write : Based on generic ext4 protocol.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier: GPL-2.0+
*/
if (!fs->gdtable)
return -ENOMEM;
/* read the group descriptor table */
- status = ext4fs_devread(fs->gdtable_blkno * fs->sect_perblk, 0,
- fs->blksz * fs->no_blk_pergdt, fs->gdtable);
+ status = ext4fs_devread((lbaint_t)fs->gdtable_blkno * fs->sect_perblk,
+ 0, fs->blksz * fs->no_blk_pergdt, fs->gdtable);
if (status == 0)
goto fail;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
status =
- ext4fs_devread(bgd[bg_idx].block_id *
+ ext4fs_devread((lbaint_t)bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
}
DIB_start_addr = (unsigned int *)di_buffer;
blknr = inode->b.blocks.double_indir_block;
- status = ext4fs_devread(blknr * fs->sect_perblk, 0, fs->blksz,
- (char *)di_buffer);
+ status = ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0,
+ fs->blksz, (char *)di_buffer);
for (i = 0; i < fs->blksz / sizeof(int); i++) {
if (*di_buffer == 0)
break;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
- status = ext4fs_devread(bgd[bg_idx].block_id
+ status = ext4fs_devread((lbaint_t)
+ bgd[bg_idx].block_id
* fs->sect_perblk, 0,
fs->blksz,
journal_buffer);
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(bgd[bg_idx].block_id *
+ status = ext4fs_devread((lbaint_t)bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
}
tib_start_addr = (unsigned int *)tigp_buffer;
blknr = inode->b.blocks.triple_indir_block;
- status = ext4fs_devread(blknr * fs->sect_perblk, 0, fs->blksz,
- (char *)tigp_buffer);
+ status = ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0,
+ fs->blksz, (char *)tigp_buffer);
for (i = 0; i < fs->blksz / sizeof(int); i++) {
if (*tigp_buffer == 0)
break;
if (!tip_buffer)
goto fail;
tipb_start_addr = (unsigned int *)tip_buffer;
- status = ext4fs_devread((*tigp_buffer) *
+ status = ext4fs_devread((lbaint_t)(*tigp_buffer) *
fs->sect_perblk, 0, fs->blksz,
(char *)tip_buffer);
for (j = 0; j < fs->blksz / sizeof(int); j++) {
if (prev_bg_bmap_idx != bg_idx) {
status =
ext4fs_devread(
+ (lbaint_t)
bgd[bg_idx].block_id *
fs->sect_perblk, 0,
fs->blksz,
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
status =
- ext4fs_devread(bgd[bg_idx].block_id *
+ ext4fs_devread((lbaint_t)
+ bgd[bg_idx].block_id *
fs->sect_perblk, 0,
fs->blksz, journal_buffer);
if (status == 0)
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(bgd[bg_idx].block_id *
+ status = ext4fs_devread((lbaint_t)bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
status =
- ext4fs_devread(bgd[bg_idx].block_id *
+ ext4fs_devread((lbaint_t)
+ bgd[bg_idx].block_id *
fs->sect_perblk, 0,
fs->blksz, journal_buffer);
if (status == 0)
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(bgd[bg_idx].block_id
+ status = ext4fs_devread((lbaint_t)
+ bgd[bg_idx].block_id
* fs->sect_perblk,
0, fs->blksz,
journal_buffer);
if (!read_buffer)
goto fail;
start_block_address = read_buffer;
- status = ext4fs_devread(blkno * fs->sect_perblk,
+ status = ext4fs_devread((lbaint_t)blkno * fs->sect_perblk,
0, fs->blksz, read_buffer);
if (status == 0)
goto fail;
fs->sb->free_inodes++;
/* journal backup */
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(bgd[ibmap_idx].inode_id *
+ status = ext4fs_devread((lbaint_t)bgd[ibmap_idx].inode_id *
fs->sect_perblk, 0, fs->blksz, journal_buffer);
if (status == 0)
goto fail;
/* populate fs */
fs->blksz = EXT2_BLOCK_SIZE(ext4fs_root);
fs->inodesz = INODE_SIZE_FILESYSTEM(ext4fs_root);
- fs->sect_perblk = fs->blksz / SECTOR_SIZE;
+ fs->sect_perblk = fs->blksz >> fs->dev_desc->log2blksz;
/* get the superblock */
fs->sb = zalloc(SUPERBLOCK_SIZE);
if (!fs->sb)
return -ENOMEM;
- if (!ext4fs_devread(SUPERBLOCK_SECTOR, 0, SUPERBLOCK_SIZE,
- (char *)fs->sb))
+ if (!ext4_read_superblock((char *)fs->sb))
goto fail;
/* init journal */
for (i = 0; i < fs->no_blkgrp; i++) {
status =
- ext4fs_devread(fs->bgd[i].block_id * fs->sect_perblk, 0,
+ ext4fs_devread((lbaint_t)fs->bgd[i].block_id *
+ fs->sect_perblk, 0,
fs->blksz, (char *)fs->blk_bmaps[i]);
if (status == 0)
goto fail;
}
for (i = 0; i < fs->no_blkgrp; i++) {
- status = ext4fs_devread(fs->bgd[i].inode_id * fs->sect_perblk,
+ status = ext4fs_devread((lbaint_t)fs->bgd[i].inode_id *
+ fs->sect_perblk,
0, fs->blksz,
(char *)fs->inode_bmaps[i]);
if (status == 0)
&inode_journal);
blknr = read_allocated_block(&inode_journal,
EXT2_JOURNAL_SUPERBLOCK);
- ext4fs_devread(blknr * fs->sect_perblk, 0, fs->blksz,
+ ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0, fs->blksz,
temp_buff);
jsb = (struct journal_superblock_t *)temp_buff;
jsb->s_start = cpu_to_be32(0);
ext4fs_free_journal();
/* get the superblock */
- ext4fs_devread(SUPERBLOCK_SECTOR, 0, SUPERBLOCK_SIZE, (char *)fs->sb);
+ ext4_read_superblock((char *)fs->sb);
fs->sb->feature_incompat &= ~EXT3_FEATURE_INCOMPAT_RECOVER;
put_ext4((uint64_t)(SUPERBLOCK_SIZE),
(struct ext2_sblock *)fs->sb, (uint32_t)SUPERBLOCK_SIZE);
{
int i;
int blockcnt;
- int log2blocksize = LOG2_EXT2_BLOCK_SIZE(ext4fs_root);
unsigned int filesize = __le32_to_cpu(file_inode->size);
struct ext_filesystem *fs = get_fs();
+ int log2blksz = fs->dev_desc->log2blksz;
+ int log2_fs_blocksize = LOG2_BLOCK_SIZE(ext4fs_root) - log2blksz;
int previous_block_number = -1;
int delayed_start = 0;
int delayed_extent = 0;
if (blknr < 0)
return -1;
- blknr = blknr << log2blocksize;
+ blknr = blknr << log2_fs_blocksize;
if (blknr) {
if (previous_block_number != -1) {
if (delayed_next == blknr) {
delayed_extent += blockend;
- delayed_next += blockend >> SECTOR_BITS;
+ delayed_next += blockend >> log2blksz;
} else { /* spill */
- put_ext4((uint64_t) (delayed_start *
- SECTOR_SIZE),
+ put_ext4((uint64_t)
+ (delayed_start << log2blksz),
delayed_buf,
(uint32_t) delayed_extent);
previous_block_number = blknr;
delayed_extent = blockend;
delayed_buf = buf;
delayed_next = blknr +
- (blockend >> SECTOR_BITS);
+ (blockend >> log2blksz);
}
} else {
previous_block_number = blknr;
delayed_extent = blockend;
delayed_buf = buf;
delayed_next = blknr +
- (blockend >> SECTOR_BITS);
+ (blockend >> log2blksz);
}
} else {
if (previous_block_number != -1) {
/* spill */
- put_ext4((uint64_t) (delayed_start *
- SECTOR_SIZE), delayed_buf,
+ put_ext4((uint64_t) (delayed_start <<
+ log2blksz),
+ delayed_buf,
(uint32_t) delayed_extent);
previous_block_number = -1;
}
}
if (previous_block_number != -1) {
/* spill */
- put_ext4((uint64_t) (delayed_start * SECTOR_SIZE),
+ put_ext4((uint64_t) (delayed_start << log2blksz),
delayed_buf, (uint32_t) delayed_extent);
previous_block_number = -1;
}
/* Allocate data blocks */
ext4fs_allocate_blocks(file_inode, blocks_remaining,
&blks_reqd_for_file);
- file_inode->blockcnt = (blks_reqd_for_file * fs->blksz) / SECTOR_SIZE;
+ file_inode->blockcnt = (blks_reqd_for_file * fs->blksz) >>
+ fs->dev_desc->log2blksz;
temp_ptr = zalloc(fs->blksz);
if (!temp_ptr)
(inodeno % __le32_to_cpu(sblock->inodes_per_group)) /
inodes_per_block;
blkoff = (inodeno % inodes_per_block) * fs->inodesz;
- ext4fs_devread(itable_blkno * fs->sect_perblk, 0, fs->blksz, temp_ptr);
+ ext4fs_devread((lbaint_t)itable_blkno * fs->sect_perblk, 0, fs->blksz,
+ temp_ptr);
if (ext4fs_log_journal(temp_ptr, itable_blkno))
goto fail;
blkoff = (parent_inodeno % inodes_per_block) * fs->inodesz;
if (parent_itable_blkno != itable_blkno) {
memset(temp_ptr, '\0', fs->blksz);
- ext4fs_devread(parent_itable_blkno * fs->sect_perblk,
+ ext4fs_devread((lbaint_t)parent_itable_blkno * fs->sect_perblk,
0, fs->blksz, temp_ptr);
if (ext4fs_log_journal(temp_ptr, parent_itable_blkno))
goto fail;