static void dump_data_offset(u32 blk_addr, int ofs_in_node)
{
struct f2fs_node *node_blk;
unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
unsigned int bidx = 0;
unsigned int node_ofs;
int ret;
node_blk = calloc(BLOCK_SZ, 1);
ASSERT(node_blk);
ret = dev_read_block(node_blk, blk_addr);
ASSERT(ret >= 0);
node_ofs = ofs_of_node(node_blk);
if (node_ofs == 0)
goto got_it;
if (node_ofs > 0 && node_ofs <= 2) {
bidx = node_ofs - 1;
} else if (node_ofs <= indirect_blks) {
int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 2 - dec;
} else {
int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 5 - dec;
}
bidx = bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE(&node_blk->i);
got_it:
bidx += ofs_in_node;
setlocale(LC_ALL, "");
MSG(0, " - Data offset : 0x%x (4KB), %'u (bytes)\n",
bidx, bidx * 4096);
free(node_blk);
}
static void dump_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
struct f2fs_node *node_blk)
{
u32 i = 0;
u64 ofs = 0;
/* TODO: need to dump xattr */
if((node_blk->i.i_inline & F2FS_INLINE_DATA)){
DBG(3, "ino[0x%x] has inline data!\n", nid);
/* recover from inline data */
dev_write_dump(((unsigned char *)node_blk) + INLINE_DATA_OFFSET,
0, MAX_INLINE_DATA);
return;
}
/* check data blocks in inode */
for (i = 0; i < ADDRS_PER_INODE(&node_blk->i); i++, ofs++)
dump_data_blk(ofs * F2FS_BLKSIZE,
le32_to_cpu(node_blk->i.i_addr[i]));
/* check node blocks in inode */
for (i = 0; i < 5; i++) {
if (i == 0 || i == 1)
dump_node_blk(sbi, TYPE_DIRECT_NODE,
node_blk->i.i_nid[i], &ofs);
else if (i == 2 || i == 3)
dump_node_blk(sbi, TYPE_INDIRECT_NODE,
node_blk->i.i_nid[i], &ofs);
else if (i == 4)
dump_node_blk(sbi, TYPE_DOUBLE_INDIRECT_NODE,
node_blk->i.i_nid[i], &ofs);
else
ASSERT(0);
}
}
int fsck_chk_inode_blk(struct f2fs_sb_info *sbi,
u32 nid,
enum FILE_TYPE ftype,
struct f2fs_node *node_blk,
u32 *blk_cnt,
struct node_info *ni)
{
struct f2fs_fsck *fsck = F2FS_FSCK(sbi);
u32 child_cnt = 0, child_files = 0;
enum NODE_TYPE ntype;
u32 i_links = le32_to_cpu(node_blk->i.i_links);
u64 i_blocks = le64_to_cpu(node_blk->i.i_blocks);
int idx = 0;
int ret = 0;
ASSERT(node_blk->footer.nid == node_blk->footer.ino);
ASSERT(le32_to_cpu(node_blk->footer.nid) == nid);
if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni->blk_addr), fsck->main_area_bitmap) == 0x0)
fsck->chk.valid_inode_cnt++;
/* Orphan node. i_links should be 0 */
if (ftype == F2FS_FT_ORPHAN) {
ASSERT(i_links == 0);
} else {
ASSERT(i_links > 0);
}
if (ftype == F2FS_FT_DIR) {
/* not included '.' & '..' */
if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni->blk_addr), fsck->main_area_bitmap) != 0) {
DBG(0, "Duplicated inode blk. ino[0x%x][0x%x]\n", nid, ni->blk_addr);
ASSERT(0);
}
f2fs_set_bit(BLKOFF_FROM_MAIN(sbi, ni->blk_addr), fsck->main_area_bitmap);
} else {
if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni->blk_addr), fsck->main_area_bitmap) == 0x0) {
f2fs_set_bit(BLKOFF_FROM_MAIN(sbi, ni->blk_addr), fsck->main_area_bitmap);
if (i_links > 1) {
/* First time. Create new hard link node */
add_into_hard_link_list(sbi, nid, i_links);
fsck->chk.multi_hard_link_files++;
}
} else {
if (i_links <= 1) {
DBG(0, "Error. Node ID [0x%x]."
" There are one more hard links."
" But i_links is [0x%x]\n",
nid, i_links);
ASSERT(0);
}
DBG(3, "ino[0x%x] has hard links [0x%x]\n", nid, i_links);
ret = find_and_dec_hard_link_list(sbi, nid);
ASSERT(ret >= 0);
/* No need to go deep into the node */
goto out;
}
}
fsck_chk_xattr_blk(sbi, nid, le32_to_cpu(node_blk->i.i_xattr_nid), blk_cnt);
if (ftype == F2FS_FT_CHRDEV || ftype == F2FS_FT_BLKDEV ||
ftype == F2FS_FT_FIFO || ftype == F2FS_FT_SOCK)
goto check;
if((node_blk->i.i_inline & F2FS_INLINE_DATA)){
DBG(3, "ino[0x%x] has inline data!\n", nid);
goto check;
}
/* check data blocks in inode */
for (idx = 0; idx < ADDRS_PER_INODE(&node_blk->i); idx++) {
if (le32_to_cpu(node_blk->i.i_addr[idx]) != 0) {
*blk_cnt = *blk_cnt + 1;
ret = fsck_chk_data_blk(sbi,
&node_blk->i,
le32_to_cpu(node_blk->i.i_addr[idx]),
&child_cnt,
&child_files,
(i_blocks == *blk_cnt),
ftype,
nid,
idx,
ni->version);
ASSERT(ret >= 0);
}
}
/* check node blocks in inode */
for (idx = 0; idx < 5; idx++) {
if (idx == 0 || idx == 1)
ntype = TYPE_DIRECT_NODE;
else if (idx == 2 || idx == 3)
ntype = TYPE_INDIRECT_NODE;
else if (idx == 4)
ntype = TYPE_DOUBLE_INDIRECT_NODE;
else
ASSERT(0);
if (le32_to_cpu(node_blk->i.i_nid[idx]) != 0) {
*blk_cnt = *blk_cnt + 1;
ret = fsck_chk_node_blk(sbi,
&node_blk->i,
le32_to_cpu(node_blk->i.i_nid[idx]),
ftype,
ntype,
blk_cnt);
ASSERT(ret >= 0);
}
}
check:
if (ftype == F2FS_FT_DIR)
DBG(1, "Directory Inode: ino: %x name: %s depth: %d child files: %d\n\n",
le32_to_cpu(node_blk->footer.ino), node_blk->i.i_name,
le32_to_cpu(node_blk->i.i_current_depth), child_files);
if (ftype == F2FS_FT_ORPHAN)
DBG(1, "Orphan Inode: ino: %x name: %s i_blocks: %lu\n\n",
le32_to_cpu(node_blk->footer.ino), node_blk->i.i_name,
i_blocks);
if ((ftype == F2FS_FT_DIR && i_links != child_cnt) ||
(i_blocks != *blk_cnt)) {
print_node_info(node_blk);
DBG(1, "blk cnt [0x%x]\n", *blk_cnt);
DBG(1, "child cnt [0x%x]\n", child_cnt);
}
ASSERT(i_blocks == *blk_cnt);
if (ftype == F2FS_FT_DIR)
ASSERT(i_links == child_cnt);
out:
return 0;
}