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-rw-r--r--fs/ext2/dev.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/fs/ext2/dev.c b/fs/ext2/dev.c
deleted file mode 100644
index 874e211..0000000
--- a/fs/ext2/dev.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * (C) Copyright 2004
- * esd gmbh <www.esd-electronics.com>
- * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
- *
- * based on code of fs/reiserfs/dev.c by
- *
- * (C) Copyright 2003 - 2004
- * Sysgo AG, <www.elinos.com>, Pavel Bartusek <pba@sysgo.com>
- *
- * 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.
- */
-
-
-#include <common.h>
-#include <config.h>
-#include <ext2fs.h>
-
-static block_dev_desc_t *ext2fs_block_dev_desc;
-static disk_partition_t part_info;
-
-int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part)
-{
- ext2fs_block_dev_desc = rbdd;
-
- if (part == 0) {
- /* disk doesn't use partition table */
- part_info.start = 0;
- part_info.size = rbdd->lba;
- part_info.blksz = rbdd->blksz;
- } else {
- if (get_partition_info
- (ext2fs_block_dev_desc, part, &part_info)) {
- return 0;
- }
- }
- return part_info.size;
-}
-
-
-int ext2fs_devread(int sector, int byte_offset, int byte_len, char *buf)
-{
- ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, SECTOR_SIZE);
- unsigned sectors;
-
- /*
- * Check partition boundaries
- */
- if ((sector < 0) ||
- ((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS)) >=
- part_info.size)) {
- /* errnum = ERR_OUTSIDE_PART; */
- printf(" ** %s read outside partition sector %d\n",
- __func__,
- sector);
- return 0;
- }
-
- /*
- * Get the read to the beginning of a partition.
- */
- sector += byte_offset >> SECTOR_BITS;
- byte_offset &= SECTOR_SIZE - 1;
-
- debug(" <%d, %d, %d>\n", sector, byte_offset, byte_len);
-
- if (ext2fs_block_dev_desc == NULL) {
- printf(" ** %s Invalid Block Device Descriptor (NULL)\n",
- __func__);
- return 0;
- }
-
- if (byte_offset != 0) {
- /* read first part which isn't aligned with start of sector */
- if (ext2fs_block_dev_desc->
- block_read(ext2fs_block_dev_desc->dev,
- part_info.start + sector, 1,
- (unsigned long *) sec_buf) != 1) {
- printf(" ** %s read error **\n", __func__);
- return 0;
- }
- memcpy(buf, sec_buf + byte_offset,
- min(SECTOR_SIZE - byte_offset, byte_len));
- buf += min(SECTOR_SIZE - byte_offset, byte_len);
- byte_len -= min(SECTOR_SIZE - byte_offset, byte_len);
- sector++;
- }
-
- /* read sector aligned part */
- sectors = byte_len / SECTOR_SIZE;
-
- if (sectors > 0) {
- if (ext2fs_block_dev_desc->block_read(
- ext2fs_block_dev_desc->dev,
- part_info.start + sector,
- sectors,
- (unsigned long *) buf) != sectors) {
- printf(" ** %s read error - block\n", __func__);
- return 0;
- }
-
- buf += sectors * SECTOR_SIZE;
- byte_len -= sectors * SECTOR_SIZE;
- sector += sectors;
- }
-
- if (byte_len != 0) {
- /* read rest of data which are not in whole sector */
- if (ext2fs_block_dev_desc->
- block_read(ext2fs_block_dev_desc->dev,
- part_info.start + sector, 1,
- (unsigned long *) sec_buf) != 1) {
- printf(" ** %s read error - last part\n", __func__);
- return 0;
- }
- memcpy(buf, sec_buf, byte_len);
- }
- return 1;
-}