Example #1
0
int fsck_chk_xattr_blk(struct f2fs_sb_info *sbi, u32 ino, u32 x_nid, u32 *blk_cnt)
{
	struct f2fs_fsck *fsck = F2FS_FSCK(sbi);
	struct node_info ni;

	if (x_nid == 0x0)
		return 0;

	if (f2fs_test_bit(x_nid, fsck->nat_area_bitmap) != 0x0) {
		f2fs_clear_bit(x_nid, fsck->nat_area_bitmap);
	} else {
		ASSERT_MSG(0, "xattr_nid duplicated [0x%x]\n", x_nid);
	}

	*blk_cnt = *blk_cnt + 1;
	fsck->chk.valid_blk_cnt++;
	fsck->chk.valid_node_cnt++;

	ASSERT(get_node_info(sbi, x_nid, &ni) >= 0);

	if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni.blk_addr), fsck->main_area_bitmap) != 0) {
		ASSERT_MSG(0, "Duplicated node block for x_attr. "
				"x_nid[0x%x] block addr[0x%x]\n",
				x_nid, ni.blk_addr);
	}
	f2fs_set_bit(BLKOFF_FROM_MAIN(sbi, ni.blk_addr), fsck->main_area_bitmap);

	DBG(2, "ino[0x%x] x_nid[0x%x]\n", ino, x_nid);
	return 0;
}
Example #2
0
int fsck_chk_data_blk(struct f2fs_sb_info *sbi,
		struct f2fs_inode *inode,
		u32 blk_addr,
		u32 *child_cnt,
		u32 *child_files,
		int last_blk,
		enum FILE_TYPE ftype,
		u32 parent_nid,
		u16 idx_in_node,
		u8 ver)
{
	struct f2fs_fsck *fsck = F2FS_FSCK(sbi);

	/* Is it reserved block? */
	if (blk_addr == NEW_ADDR) {
		fsck->chk.valid_blk_cnt++;
		return 0;
	}

	IS_VALID_BLK_ADDR(sbi, blk_addr);

	is_valid_ssa_data_blk(sbi, blk_addr, parent_nid, idx_in_node, ver);

	if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, blk_addr), fsck->sit_area_bitmap) == 0x0) {
		ASSERT_MSG(0, "SIT bitmap is 0x0. blk_addr[0x%x]\n", blk_addr);
	}

	if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, blk_addr), fsck->main_area_bitmap) != 0) {
		ASSERT_MSG(0, "Duplicated data block. pnid[0x%x] idx[0x%x] blk_addr[0x%x]\n",
				parent_nid, idx_in_node, blk_addr);
	}
	f2fs_set_bit(BLKOFF_FROM_MAIN(sbi, blk_addr), fsck->main_area_bitmap);

	fsck->chk.valid_blk_cnt++;

	if (ftype == F2FS_FT_DIR) {
		fsck_chk_dentry_blk(sbi,
				inode,
				blk_addr,
				child_cnt,
				child_files,
				last_blk);
	}

	return 0;
}
void f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid, int inode)
{
	struct f2fs_nm_info *nm_i = NM_I(sbi);
	struct f2fs_checkpoint *cp = F2FS_CKPT(sbi);
	nid_t i, inode_cnt, node_cnt;

	for (i = 0; i < nm_i->max_nid; i++)
		if(f2fs_test_bit(i, nm_i->nid_bitmap) == 0)
			break;

	ASSERT(i < nm_i->max_nid);
	f2fs_set_bit(i, nm_i->nid_bitmap);
	*nid = i;

	inode_cnt = get_cp(valid_inode_count);
	node_cnt = get_cp(valid_node_count);
	if (inode)
		set_cp(valid_inode_count, inode_cnt + 1);
	set_cp(valid_node_count, node_cnt + 1);
}
Example #4
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;
}
Example #5
0
int fsck_chk_node_blk(struct f2fs_sb_info *sbi,
		struct f2fs_inode *inode,
		u32 nid,
		enum FILE_TYPE ftype,
		enum NODE_TYPE ntype,
		u32 *blk_cnt)
{
	struct f2fs_fsck *fsck = F2FS_FSCK(sbi);
	struct node_info ni;
	struct f2fs_node *node_blk = NULL;
	int ret = 0;

	IS_VALID_NID(sbi, nid);

	if (ftype != F2FS_FT_ORPHAN ||
			f2fs_test_bit(nid, fsck->nat_area_bitmap) != 0x0)
		f2fs_clear_bit(nid, fsck->nat_area_bitmap);
	else
		ASSERT_MSG(0, "nid duplicated [0x%x]\n", nid);

	ret = get_node_info(sbi, nid, &ni);
	ASSERT(ret >= 0);

	/* Is it reserved block?
	 * if block addresss was 0xffff,ffff,ffff,ffff
	 * it means that block was already allocated, but not stored in disk
	 */
	if (ni.blk_addr == NEW_ADDR) {
		fsck->chk.valid_blk_cnt++;
		fsck->chk.valid_node_cnt++;
		if (ntype == TYPE_INODE)
			fsck->chk.valid_inode_cnt++;
		return 0;
	}

	IS_VALID_BLK_ADDR(sbi, ni.blk_addr);

	is_valid_ssa_node_blk(sbi, nid, ni.blk_addr);

	if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni.blk_addr), fsck->sit_area_bitmap) == 0x0) {
		DBG(0, "SIT bitmap is 0x0. blk_addr[0x%x] %i\n", ni.blk_addr, ni.blk_addr);
		ASSERT(0);
	}else{
		DBG(0, "SIT bitmap is NOT 0x0. blk_addr[0x%x] %i\n", ni.blk_addr, ni.blk_addr);
		//ASSERT(0);
	}

	if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni.blk_addr), fsck->main_area_bitmap) == 0x0) {
		DBG(0, "SIT and main bitmap is 0x0. blk_addr[0x%x] %i\n", ni.blk_addr, ni.blk_addr);
		fsck->chk.valid_blk_cnt++;
		fsck->chk.valid_node_cnt++;
	}else{
		DBG(0, "SIT and main bitmap is NOT 0x0. blk_addr[0x%x] %i\n", ni.blk_addr, ni.blk_addr);
	    
	}

	node_blk = (struct f2fs_node *)calloc(BLOCK_SZ, 1);
	ASSERT(node_blk != NULL);

	ret = dev_read_block(node_blk, ni.blk_addr);
	ASSERT(ret >= 0);

	ASSERT_MSG(nid == le32_to_cpu(node_blk->footer.nid),
			"nid[0x%x] blk_addr[0x%x] footer.nid[0x%x]\n",
			nid, ni.blk_addr, le32_to_cpu(node_blk->footer.nid));

	if (ntype == TYPE_INODE) {
		ret = fsck_chk_inode_blk(sbi,
				nid,
				ftype,
				node_blk,
				blk_cnt,
				&ni);
	} else {
		/* it's not inode */
		ASSERT(node_blk->footer.nid != node_blk->footer.ino);

		if (f2fs_test_bit(BLKOFF_FROM_MAIN(sbi, ni.blk_addr), fsck->main_area_bitmap) != 0) {
			DBG(0, "Duplicated node block. 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);

		switch (ntype) {
		case TYPE_DIRECT_NODE:
			ret = fsck_chk_dnode_blk(sbi,
					inode,
					nid,
					ftype,
					node_blk,
					blk_cnt,
					&ni);
			break;
		case TYPE_INDIRECT_NODE:
			ret = fsck_chk_idnode_blk(sbi,
					inode,
					nid,
					ftype,
					node_blk,
					blk_cnt);
			break;
		case TYPE_DOUBLE_INDIRECT_NODE:
			ret = fsck_chk_didnode_blk(sbi,
					inode,
					nid,
					ftype,
					node_blk,
					blk_cnt);
			break;
		default:
			ASSERT(0);
		}
	}
	ASSERT(ret >= 0);

	free(node_blk);
	return 0;
}