44 static errcode_t adjust_superblock(ext2_resize_t rfs, blk64_t new_size);
45 static errcode_t blocks_to_move(ext2_resize_t rfs);
46 static errcode_t block_mover(ext2_resize_t rfs);
47 static errcode_t inode_scan_and_fix(ext2_resize_t rfs);
48 static errcode_t inode_ref_fix(ext2_resize_t rfs);
49 static errcode_t move_itables(ext2_resize_t rfs);
81 	    errcode_t (*progress)(ext2_resize_t rfs, int pass,  in resize_fs()  argument
85 	ext2_resize_t	rfs;  in resize_fs()  local
92 	retval = ext2fs_get_mem(sizeof(struct ext2_resize_struct), &rfs);  in resize_fs()
96 	memset(rfs, 0, sizeof(struct ext2_resize_struct));  in resize_fs()
97 	fs->priv_data = rfs;  in resize_fs()
98 	rfs->old_fs = fs;  in resize_fs()
99 	rfs->flags = flags;  in resize_fs()
100 	rfs->itable_buf	 = 0;  in resize_fs()
101 	rfs->progress = progress;  in resize_fs()
108 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
116 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
117 	retval = ext2fs_dup_handle(fs, &rfs->new_fs);  in resize_fs()
122 	retval = adjust_superblock(rfs, *new_size);  in resize_fs()
125 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
129 	fix_uninit_block_bitmaps(rfs->new_fs);  in resize_fs()
130 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
132 	ext2fs_bg_flags_clear(rfs->new_fs, rfs->new_fs->group_desc_count - 1,  in resize_fs()
135 	*new_size = ext2fs_blocks_count(rfs->new_fs->super);  in resize_fs()
138 	retval = blocks_to_move(rfs);  in resize_fs()
141 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
144 	if (rfs->flags & RESIZE_DEBUG_BMOVE)  in resize_fs()
146 		       ext2fs_free_blocks_count(rfs->old_fs->super),  in resize_fs()
147 		       ext2fs_free_blocks_count(rfs->new_fs->super),  in resize_fs()
148 		       rfs->needed_blocks);  in resize_fs()
152 	retval = block_mover(rfs);  in resize_fs()
155 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
158 	retval = inode_scan_and_fix(rfs);  in resize_fs()
161 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
164 	retval = inode_ref_fix(rfs);  in resize_fs()
167 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
170 	retval = move_itables(rfs);  in resize_fs()
173 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
176 	retval = ext2fs_calculate_summary_stats(rfs->new_fs);  in resize_fs()
179 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
182 	retval = fix_resize_inode(rfs->new_fs);  in resize_fs()
185 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
188 	retval = fix_sb_journal_backup(rfs->new_fs);  in resize_fs()
191 	print_resource_track(rfs, &rtrack, fs->io);  in resize_fs()
193 	rfs->new_fs->super->s_state &= ~EXT2_ERROR_FS;  in resize_fs()
194 	rfs->new_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;  in resize_fs()
196 	print_resource_track(rfs, &overall_track, fs->io);  in resize_fs()
197 	retval = ext2fs_close(rfs->new_fs);  in resize_fs()
201 	rfs->flags = flags;  in resize_fs()
203 	ext2fs_free(rfs->old_fs);  in resize_fs()
204 	if (rfs->itable_buf)  in resize_fs()
205 		ext2fs_free_mem(&rfs->itable_buf);  in resize_fs()
206 	if (rfs->reserve_blocks)  in resize_fs()
207 		ext2fs_free_block_bitmap(rfs->reserve_blocks);  in resize_fs()
208 	if (rfs->move_blocks)  in resize_fs()
209 		ext2fs_free_block_bitmap(rfs->move_blocks);  in resize_fs()
210 	ext2fs_free_mem(&rfs);  in resize_fs()
215 	if (rfs->new_fs)  in resize_fs()
216 		ext2fs_free(rfs->new_fs);  in resize_fs()
217 	if (rfs->itable_buf)  in resize_fs()
218 		ext2fs_free_mem(&rfs->itable_buf);  in resize_fs()
219 	ext2fs_free_mem(&rfs);  in resize_fs()
615 static errcode_t adjust_superblock(ext2_resize_t rfs, blk64_t new_size)  in adjust_superblock()  argument
624 	fs = rfs->new_fs;  in adjust_superblock()
630 					      &rfs->reserve_blocks);  in adjust_superblock()
634 	retval = adjust_fs_info(fs, rfs->old_fs, rfs->reserve_blocks, new_size);  in adjust_superblock()
641 	if ((rfs->old_fs->super->s_inodes_count -  in adjust_superblock()
642 	     rfs->old_fs->super->s_free_inodes_count) >  in adjust_superblock()
643 	    rfs->new_fs->super->s_inodes_count) {  in adjust_superblock()
652 	if (rfs->old_fs->group_desc_count > fs->group_desc_count) {  in adjust_superblock()
662 	if (rfs->old_fs->group_desc_count >= fs->group_desc_count) {  in adjust_superblock()
683 				&rfs->itable_buf);  in adjust_superblock()
687 	memset(rfs->itable_buf, 0, fs->blocksize * fs->inode_blocks_per_group);  in adjust_superblock()
689 						rfs->old_fs->group_desc_count);  in adjust_superblock()
690 	adj = rfs->old_fs->group_desc_count;  in adjust_superblock()
692 	if (rfs->progress) {  in adjust_superblock()
693 		retval = rfs->progress(rfs, E2_RSZ_EXTEND_ITABLE_PASS,  in adjust_superblock()
698 	for (i = rfs->old_fs->group_desc_count;  in adjust_superblock()
706 						rfs->itable_buf);  in adjust_superblock()
710 		if (rfs->progress) {  in adjust_superblock()
711 			retval = rfs->progress(rfs, E2_RSZ_EXTEND_ITABLE_PASS,  in adjust_superblock()
780 static void mark_fs_metablock(ext2_resize_t rfs,  in mark_fs_metablock()  argument
784 	ext2_filsys 	fs = rfs->new_fs;  in mark_fs_metablock()
786 	ext2fs_mark_block_bitmap2(rfs->reserve_blocks, blk);  in mark_fs_metablock()
796 		rfs->needed_blocks++;  in mark_fs_metablock()
801 		rfs->needed_blocks++;  in mark_fs_metablock()
806 		rfs->needed_blocks++;  in mark_fs_metablock()
812 		for (i=0; i < rfs->old_fs->group_desc_count; i++) {  in mark_fs_metablock()
815 				rfs->needed_blocks++;  in mark_fs_metablock()
820 				rfs->needed_blocks++;  in mark_fs_metablock()
825 				rfs->needed_blocks++;  in mark_fs_metablock()
838 	} else if (ext2fs_test_block_bitmap2(rfs->old_fs->block_map, blk) &&  in mark_fs_metablock()
840 		ext2fs_mark_block_bitmap2(rfs->move_blocks, blk);  in mark_fs_metablock()
841 		rfs->needed_blocks++;  in mark_fs_metablock()
851 static errcode_t blocks_to_move(ext2_resize_t rfs)  in blocks_to_move()  argument
864 	fs = rfs->new_fs;  in blocks_to_move()
865 	old_fs = rfs->old_fs;  in blocks_to_move()
867 		fs = rfs->old_fs;  in blocks_to_move()
870 					      &rfs->move_blocks);  in blocks_to_move()
883 	fs = rfs->new_fs;  in blocks_to_move()
940 			ext2fs_mark_block_bitmap2(rfs->move_blocks, blk);  in blocks_to_move()
941 			rfs->needed_blocks++;  in blocks_to_move()
943 		ext2fs_mark_block_bitmap2(rfs->reserve_blocks, blk);  in blocks_to_move()
977 				rfs->needed_blocks--;  in blocks_to_move()
995 			mark_fs_metablock(rfs, meta_bmap, i, group_blk);  in blocks_to_move()
1004 					mark_fs_metablock(rfs, meta_bmap,  in blocks_to_move()
1013 				mark_fs_metablock(rfs, meta_bmap, i,  in blocks_to_move()
1028 			ext2fs_mark_block_bitmap2(rfs->reserve_blocks,  in blocks_to_move()
1031 			ext2fs_mark_block_bitmap2(rfs->reserve_blocks,  in blocks_to_move()
1035 			ext2fs_mark_block_bitmap2(rfs->reserve_blocks,  in blocks_to_move()
1038 			ext2fs_mark_block_bitmap2(rfs->reserve_blocks,  in blocks_to_move()
1042 			ext2fs_mark_block_bitmap_range2(rfs->reserve_blocks,  in blocks_to_move()
1046 			ext2fs_mark_block_bitmap_range2(rfs->reserve_blocks,  in blocks_to_move()
1050 		group_blk += rfs->new_fs->super->s_blocks_per_group;  in blocks_to_move()
1061 						     rfs->reserve_blocks);  in blocks_to_move()
1074 				ext2fs_mark_block_bitmap2(rfs->move_blocks,  in blocks_to_move()
1082 				ext2fs_mark_block_bitmap2(rfs->move_blocks,  in blocks_to_move()
1096 		rfs->needed_blocks += fs->inode_blocks_per_group;  in blocks_to_move()
1108 				ext2fs_mark_block_bitmap2(rfs->move_blocks,  in blocks_to_move()
1116 		for (blk = ext2fs_inode_table_loc(rfs->old_fs, i), j=0;  in blocks_to_move()
1118 			ext2fs_mark_block_bitmap2(rfs->reserve_blocks, blk);  in blocks_to_move()
1146 static void init_block_alloc(ext2_resize_t rfs)  in init_block_alloc()  argument
1148 	rfs->alloc_state = AVOID_OLD;  in init_block_alloc()
1149 	rfs->new_blk = rfs->new_fs->super->s_first_data_block;  in init_block_alloc()
1152 	if (ext2fs_blocks_count(rfs->new_fs->super) >  in init_block_alloc()
1153 	    ext2fs_blocks_count(rfs->old_fs->super))  in init_block_alloc()
1154 		rfs->new_blk = ext2fs_blocks_count(rfs->old_fs->super);  in init_block_alloc()
1158 static blk64_t get_new_block(ext2_resize_t rfs)  in get_new_block()  argument
1160 	ext2_filsys	fs = rfs->new_fs;  in get_new_block()
1163 		if (rfs->new_blk >= ext2fs_blocks_count(fs->super)) {  in get_new_block()
1164 			if (rfs->alloc_state == DESPERATION)  in get_new_block()
1168 			if (rfs->flags & RESIZE_DEBUG_BMOVE)  in get_new_block()
1172 			rfs->alloc_state = DESPERATION;  in get_new_block()
1173 			rfs->new_blk = fs->super->s_first_data_block;  in get_new_block()
1176 		if (ext2fs_test_block_bitmap2(fs->block_map, rfs->new_blk) ||  in get_new_block()
1177 		    ext2fs_test_block_bitmap2(rfs->reserve_blocks,  in get_new_block()
1178 					     rfs->new_blk) ||  in get_new_block()
1179 		    ((rfs->alloc_state == AVOID_OLD) &&  in get_new_block()
1180 		     (rfs->new_blk < ext2fs_blocks_count(rfs->old_fs->super)) &&  in get_new_block()
1181 		     ext2fs_test_block_bitmap2(rfs->old_fs->block_map,  in get_new_block()
1182 					      rfs->new_blk))) {  in get_new_block()
1183 			rfs->new_blk++;  in get_new_block()
1186 		return rfs->new_blk;  in get_new_block()
1193 	ext2_resize_t rfs = (ext2_resize_t) fs->priv_data;  in resize2fs_get_alloc_block()  local
1196 	blk = get_new_block(rfs);  in resize2fs_get_alloc_block()
1201 	if (rfs->flags & 0xF)  in resize2fs_get_alloc_block()
1205 	ext2fs_mark_block_bitmap2(rfs->old_fs->block_map, blk);  in resize2fs_get_alloc_block()
1206 	ext2fs_mark_block_bitmap2(rfs->new_fs->block_map, blk);  in resize2fs_get_alloc_block()
1211 static errcode_t block_mover(ext2_resize_t rfs)  in block_mover()  argument
1214 	ext2_filsys		fs = rfs->new_fs;  in block_mover()
1215 	ext2_filsys		old_fs = rfs->old_fs;  in block_mover()
1231 	if (!rfs->itable_buf) {  in block_mover()
1234 					&rfs->itable_buf);  in block_mover()
1238 	retval = ext2fs_create_extent_table(&rfs->bmap, 0);  in block_mover()
1247 	init_block_alloc(rfs);  in block_mover()
1253 		if (!ext2fs_test_block_bitmap2(rfs->move_blocks, blk))  in block_mover()
1261 		new_blk = get_new_block(rfs);  in block_mover()
1267 		ext2fs_add_extent_entry(rfs->bmap, B2C(blk), B2C(new_blk));  in block_mover()
1272 		if (rfs->bmap) {  in block_mover()
1273 			ext2fs_free_extent_table(rfs->bmap);  in block_mover()
1274 			rfs->bmap = 0;  in block_mover()
1283 	retval =  ext2fs_iterate_extent(rfs->bmap, 0, 0, 0);  in block_mover()
1286 	if (rfs->progress) {  in block_mover()
1287 		retval = (rfs->progress)(rfs, E2_RSZ_BLOCK_RELOC_PASS,  in block_mover()
1293 		retval = ext2fs_iterate_extent(rfs->bmap, &old_blk, &new_blk, &size);  in block_mover()
1301 		if (rfs->flags & RESIZE_DEBUG_BMOVE)  in block_mover()
1310 						       rfs->itable_buf);  in block_mover()
1313 							rfs->itable_buf);  in block_mover()
1319 			if (rfs->progress) {  in block_mover()
1321 				retval = (rfs->progress)(rfs,  in block_mover()
1365 	ext2_resize_t 		rfs;  member
1385 	if (pb->rfs->bmap) {  in process_block()
1386 		new_block = extent_translate(fs, pb->rfs->bmap, block);  in process_block()
1392 			if (pb->rfs->flags & RESIZE_DEBUG_BMOVE)  in process_block()
1417 	ext2_resize_t rfs = (ext2_resize_t) priv_data;  in progress_callback()  local
1427 	if (rfs->progress) {  in progress_callback()
1429 		retval = (rfs->progress)(rfs, E2_RSZ_INODE_SCAN_PASS,  in progress_callback()
1438 static errcode_t inode_scan_and_fix(ext2_resize_t rfs)  in inode_scan_and_fix()  argument
1451 	if ((rfs->old_fs->group_desc_count <=  in inode_scan_and_fix()
1452 	     rfs->new_fs->group_desc_count) &&  in inode_scan_and_fix()
1453 	    !rfs->bmap)  in inode_scan_and_fix()
1462 	orig_size = ext2fs_blocks_count(rfs->old_fs->super);  in inode_scan_and_fix()
1463 	if (orig_size < ext2fs_blocks_count(rfs->new_fs->super))  in inode_scan_and_fix()
1464 		ext2fs_blocks_count_set(rfs->old_fs->super,  in inode_scan_and_fix()
1465 				ext2fs_blocks_count(rfs->new_fs->super));  in inode_scan_and_fix()
1467 	retval = ext2fs_open_inode_scan(rfs->old_fs, 0, &scan);  in inode_scan_and_fix()
1470 	retval = ext2fs_init_dblist(rfs->old_fs, 0);  in inode_scan_and_fix()
1472 	retval = ext2fs_get_array(rfs->old_fs->blocksize, 3, &block_buf);  in inode_scan_and_fix()
1475 	start_to_move = (rfs->new_fs->group_desc_count *  in inode_scan_and_fix()
1476 			 rfs->new_fs->super->s_inodes_per_group);  in inode_scan_and_fix()
1478 	if (rfs->progress) {  in inode_scan_and_fix()
1479 		retval = (rfs->progress)(rfs, E2_RSZ_INODE_SCAN_PASS,  in inode_scan_and_fix()
1480 					 0, rfs->old_fs->group_desc_count);  in inode_scan_and_fix()
1484 	ext2fs_set_inode_callback(scan, progress_callback, (void *) rfs);  in inode_scan_and_fix()
1485 	pb.rfs = rfs;  in inode_scan_and_fix()
1488 	new_inode = EXT2_FIRST_INODE(rfs->new_fs->super);  in inode_scan_and_fix()
1489 	inode_size = EXT2_INODE_SIZE(rfs->new_fs->super);  in inode_scan_and_fix()
1511 		if (ext2fs_file_acl_block(rfs->old_fs, inode) && rfs->bmap) {  in inode_scan_and_fix()
1512 			new_block = extent_translate(rfs->old_fs, rfs->bmap,  in inode_scan_and_fix()
1513 				ext2fs_file_acl_block(rfs->old_fs, inode));  in inode_scan_and_fix()
1515 				ext2fs_file_acl_block_set(rfs->old_fs, inode,  in inode_scan_and_fix()
1517 				retval = ext2fs_write_inode_full(rfs->old_fs,  in inode_scan_and_fix()
1523 		if (ext2fs_inode_has_valid_blocks2(rfs->old_fs, inode) &&  in inode_scan_and_fix()
1524 		    (rfs->bmap || pb.is_dir)) {  in inode_scan_and_fix()
1526 			retval = ext2fs_block_iterate3(rfs->old_fs,  in inode_scan_and_fix()
1543 		retval = ext2fs_new_inode(rfs->new_fs, 0, 0, 0, &new_inode);  in inode_scan_and_fix()
1547 		ext2fs_inode_alloc_stats2(rfs->new_fs, new_inode, +1,  in inode_scan_and_fix()
1551 			retval = ext2fs_read_inode_full(rfs->old_fs, ino,  in inode_scan_and_fix()
1556 		retval = ext2fs_write_inode_full(rfs->old_fs, new_inode,  in inode_scan_and_fix()
1561 		if (rfs->flags & RESIZE_DEBUG_INODEMAP)  in inode_scan_and_fix()
1564 		if (!rfs->imap) {  in inode_scan_and_fix()
1565 			retval = ext2fs_create_extent_table(&rfs->imap, 0);  in inode_scan_and_fix()
1569 		ext2fs_add_extent_entry(rfs->imap, ino, new_inode);  in inode_scan_and_fix()
1571 	io_channel_flush(rfs->old_fs->io);  in inode_scan_and_fix()
1574 	ext2fs_blocks_count_set(rfs->old_fs->super, orig_size);  in inode_scan_and_fix()
1575 	if (rfs->bmap) {  in inode_scan_and_fix()
1576 		ext2fs_free_extent_table(rfs->bmap);  in inode_scan_and_fix()
1577 		rfs->bmap = 0;  in inode_scan_and_fix()
1595 	ext2_resize_t rfs;  member
1613 	if (is->rfs->progress && offset == 0) {  in check_and_change_inodes()
1614 		io_channel_flush(is->rfs->old_fs->io);  in check_and_change_inodes()
1615 		is->err = (is->rfs->progress)(is->rfs,  in check_and_change_inodes()
1625 	new_inode = ext2fs_extent_translate(is->rfs->imap, dirent->inode);  in check_and_change_inodes()
1630 	if (is->rfs->flags & RESIZE_DEBUG_INODEMAP)  in check_and_change_inodes()
1639 	retval = ext2fs_read_inode(is->rfs->old_fs, dir, &inode);  in check_and_change_inodes()
1642 		is->err = ext2fs_write_inode(is->rfs->old_fs, dir, &inode);  in check_and_change_inodes()
1650 static errcode_t inode_ref_fix(ext2_resize_t rfs)  in inode_ref_fix()  argument
1655 	if (!rfs->imap)  in inode_ref_fix()
1663 	is.max_dirs = ext2fs_dblist_count2(rfs->old_fs->dblist);  in inode_ref_fix()
1664 	is.rfs = rfs;  in inode_ref_fix()
1667 	if (rfs->progress) {  in inode_ref_fix()
1668 		retval = (rfs->progress)(rfs, E2_RSZ_INODE_REF_UPD_PASS,  in inode_ref_fix()
1674 	retval = ext2fs_dblist_dir_iterate(rfs->old_fs->dblist,  in inode_ref_fix()
1684 	if (rfs->progress && (is.num < is.max_dirs))  in inode_ref_fix()
1685 		(rfs->progress)(rfs, E2_RSZ_INODE_REF_UPD_PASS,  in inode_ref_fix()
1689 	ext2fs_free_extent_table(rfs->imap);  in inode_ref_fix()
1690 	rfs->imap = 0;  in inode_ref_fix()
1715 static errcode_t move_itables(ext2_resize_t rfs)  in move_itables()  argument
1720 	ext2_filsys	fs = rfs->new_fs;  in move_itables()
1727 	if (max_groups > rfs->old_fs->group_desc_count)  in move_itables()
1728 		max_groups = rfs->old_fs->group_desc_count;  in move_itables()
1731 	if (!rfs->itable_buf) {  in move_itables()
1732 		retval = ext2fs_get_mem(size, &rfs->itable_buf);  in move_itables()
1742 		if (ext2fs_inode_table_loc(rfs->old_fs, i) !=  in move_itables()
1749 	if (rfs->progress) {  in move_itables()
1750 		retval = rfs->progress(rfs, E2_RSZ_MOVE_ITABLE_PASS,  in move_itables()
1756 	rfs->old_fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;  in move_itables()
1759 		old_blk = ext2fs_inode_table_loc(rfs->old_fs, i);  in move_itables()
1764 		if (rfs->flags & RESIZE_DEBUG_ITABLEMOVE)  in move_itables()
1774 					       rfs->itable_buf);  in move_itables()
1784 		for (cp = rfs->itable_buf+size-1, n=0; n < size; n++, cp--)  in move_itables()
1789 		if (rfs->flags & RESIZE_DEBUG_ITABLEMOVE)  in move_itables()
1797 						num, rfs->itable_buf);  in move_itables()
1800 					       num, rfs->itable_buf);  in move_itables()
1806 			      diff, (rfs->itable_buf +  in move_itables()
1813 		for (blk = ext2fs_inode_table_loc(rfs->old_fs, i), j=0;  in move_itables()
1817 		ext2fs_inode_table_loc_set(rfs->old_fs, i, new_blk);  in move_itables()
1818 		ext2fs_group_desc_csum_set(rfs->old_fs, i);  in move_itables()
1819 		ext2fs_mark_super_dirty(rfs->old_fs);  in move_itables()
1820 		ext2fs_flush(rfs->old_fs);  in move_itables()
1822 		if (rfs->progress) {  in move_itables()
1823 			retval = rfs->progress(rfs, E2_RSZ_MOVE_ITABLE_PASS,  in move_itables()
1832 	if (rfs->flags & RESIZE_DEBUG_ITABLEMOVE)  in move_itables()