Lines Matching refs:sb
48 int ext4_resize_begin(struct super_block *sb)
50 struct ext4_sb_info *sbi = EXT4_SB(sb);
60 if (EXT4_SB(sb)->s_es->s_reserved_gdt_blocks &&
61 !ext4_has_feature_resize_inode(sb)) {
62 ext4_error(sb, "resize_inode disabled but reserved GDT blocks non-zero");
72 le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
73 ext4_warning(sb, "won't resize using backup superblock at %llu",
74 (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
82 if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
83 ext4_warning(sb, "There are errors in the filesystem, "
88 if (ext4_has_feature_sparse_super2(sb)) {
89 ext4_msg(sb, KERN_ERR, "Online resizing not supported with sparse_super2");
94 &EXT4_SB(sb)->s_ext4_flags))
100 int ext4_resize_end(struct super_block *sb, bool update_backups)
102 clear_bit_unlock(EXT4_FLAGS_RESIZING, &EXT4_SB(sb)->s_ext4_flags);
105 return ext4_update_overhead(sb, true);
109 static ext4_group_t ext4_meta_bg_first_group(struct super_block *sb,
111 return (group >> EXT4_DESC_PER_BLOCK_BITS(sb)) <<
112 EXT4_DESC_PER_BLOCK_BITS(sb);
115 static ext4_fsblk_t ext4_meta_bg_first_block_no(struct super_block *sb,
117 group = ext4_meta_bg_first_group(sb, group);
118 return ext4_group_first_block_no(sb, group);
121 static ext4_grpblk_t ext4_group_overhead_blocks(struct super_block *sb,
124 overhead = ext4_bg_num_gdb(sb, group);
125 if (ext4_bg_has_super(sb, group))
127 le16_to_cpu(EXT4_SB(sb)->s_es->s_reserved_gdt_blocks);
134 static int verify_group_input(struct super_block *sb,
137 struct ext4_sb_info *sbi = EXT4_SB(sb);
150 ext4_warning(sb, "Cannot add at group %u (only %u groups)",
155 overhead = ext4_group_overhead_blocks(sb, group);
160 if (test_opt(sb, DEBUG))
163 ext4_bg_has_super(sb, input->group) ? "normal" :
167 ext4_get_group_no_and_offset(sb, start, NULL, &offset);
169 ext4_warning(sb, "Last group not full");
171 ext4_warning(sb, "Reserved blocks too high (%u)",
174 ext4_warning(sb, "Bad blocks count %u",
176 else if (IS_ERR(bh = ext4_sb_bread(sb, end - 1, 0))) {
179 ext4_warning(sb, "Cannot read last block (%llu)",
182 ext4_warning(sb, "Block bitmap not in group (block %llu)",
185 ext4_warning(sb, "Inode bitmap not in group (block %llu)",
189 ext4_warning(sb, "Inode table not in group (blocks %llu-%llu)",
192 ext4_warning(sb, "Block bitmap same as inode bitmap (%llu)",
195 ext4_warning(sb, "Block bitmap (%llu) in inode table "
200 ext4_warning(sb, "Inode bitmap (%llu) in inode table "
205 ext4_warning(sb, "Block bitmap (%llu) in GDT table (%llu-%llu)",
209 ext4_warning(sb, "Inode bitmap (%llu) in GDT table (%llu-%llu)",
214 ext4_warning(sb, "Inode table (%llu-%llu) overlaps GDT table "
300 * @sb: super block of fs to which the groups belongs
305 static int ext4_alloc_group_tables(struct super_block *sb,
333 start_blk = ext4_group_first_block_no(sb, src_group);
336 overhead = ext4_group_overhead_blocks(sb, src_group);
343 overhead = ext4_group_overhead_blocks(sb, src_group);
355 group = ext4_get_group_number(sb, start_blk - 1);
366 group = ext4_get_group_number(sb, start_blk - 1);
374 unsigned int itb = EXT4_SB(sb)->s_itb_per_group;
380 group = ext4_get_group_number(sb, start_blk);
381 next_group_start = ext4_group_first_block_no(sb, group + 1);
393 start_blk += EXT4_SB(sb)->s_itb_per_group;
399 EXT4_NUM_B2C(EXT4_SB(sb),
403 if (test_opt(sb, DEBUG)) {
414 ext4_bg_has_super(sb, group + i) ? "normal" :
424 static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
430 bh = sb_getblk(sb, blk);
434 err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE);
439 memset(bh->b_data, 0, sb->s_blocksize);
457 * @sb: super block
461 static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle,
465 struct ext4_sb_info *sbi = EXT4_SB(sb);
478 group = ext4_get_group_number(sb, EXT4_C2B(sbi, first_cluster));
479 start = EXT4_B2C(sbi, ext4_group_first_block_no(sb, group));
482 count2 = EXT4_CLUSTERS_PER_GROUP(sb) - (first_cluster - start);
495 bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);
500 err = ext4_journal_get_write_access(handle, sb, bh,
533 static int setup_new_flex_group_blocks(struct super_block *sb,
536 int group_table_count[] = {1, 1, EXT4_SB(sb)->s_itb_per_group};
539 struct ext4_sb_info *sbi = EXT4_SB(sb);
553 meta_bg = ext4_has_feature_meta_bg(sb);
556 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
565 gdblocks = ext4_bg_num_gdb(sb, group);
566 start = ext4_group_first_block_no(sb, group);
568 if (meta_bg == 0 && !ext4_bg_has_super(sb, group))
574 block = start + ext4_bg_has_super(sb, group);
584 gdb = sb_getblk(sb, block);
591 err = ext4_journal_get_write_access(handle, sb, gdb,
612 if (ext4_bg_has_super(sb, group)) {
613 err = sb_issue_zeroout(sb, gdblocks + start + 1,
628 err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group,
643 bh = bclean(handle, sb, block);
648 overhead = ext4_group_overhead_blocks(sb, group);
656 sb->s_blocksize * 8, bh->b_data);
672 bh = bclean(handle, sb, block);
678 ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
679 sb->s_blocksize * 8, bh->b_data);
697 err = set_flexbg_block_bitmap(sb, handle,
711 err = set_flexbg_block_bitmap(sb, handle,
737 unsigned int ext4_list_backups(struct super_block *sb, unsigned int *three,
740 struct ext4_super_block *es = EXT4_SB(sb)->s_es;
745 if (ext4_has_feature_sparse_super2(sb)) {
755 if (!ext4_has_feature_sparse_super(sb)) {
781 static int verify_reserved_gdb(struct super_block *sb,
793 while ((grp = ext4_list_backups(sb, &three, &five, &seven)) < end) {
795 grp * EXT4_BLOCKS_PER_GROUP(sb) + blk){
796 ext4_warning(sb, "reserved GDT %llu"
800 (ext4_fsblk_t)EXT4_BLOCKS_PER_GROUP(sb) +
804 if (++gdbackups > EXT4_ADDR_PER_BLOCK(sb))
827 struct super_block *sb = inode->i_sb;
828 struct ext4_super_block *es = EXT4_SB(sb)->s_es;
829 unsigned long gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
830 ext4_fsblk_t gdblock = EXT4_SB(sb)->s_sbh->b_blocknr + 1 + gdb_num;
839 if (test_opt(sb, DEBUG))
844 gdb_bh = ext4_sb_bread(sb, gdblock, 0);
848 gdbackups = verify_reserved_gdb(sb, group, gdb_bh);
855 dind = ext4_sb_bread(sb, le32_to_cpu(*data), 0);
863 if (le32_to_cpu(data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)]) != gdblock) {
864 ext4_warning(sb, "new group %u GDT block %llu not reserved",
870 BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
871 err = ext4_journal_get_write_access(handle, sb, EXT4_SB(sb)->s_sbh,
877 err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE);
882 err = ext4_journal_get_write_access(handle, sb, dind, EXT4_JTR_NONE);
884 ext4_std_error(sb, err);
897 ext4_warning(sb, "not enough memory for %lu groups",
911 data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)] = 0;
914 ext4_std_error(sb, err);
917 inode->i_blocks -= (gdbackups + 1) * sb->s_blocksize >>
918 (9 - EXT4_SB(sb)->s_cluster_bits);
920 memset(gdb_bh->b_data, 0, sb->s_blocksize);
923 ext4_std_error(sb, err);
930 o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
932 EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
935 rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
936 EXT4_SB(sb)->s_gdb_count++;
939 lock_buffer(EXT4_SB(sb)->s_sbh);
941 ext4_superblock_csum_set(sb);
942 unlock_buffer(EXT4_SB(sb)->s_sbh);
943 err = ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
945 ext4_std_error(sb, err);
960 static int add_new_gdb_meta_bg(struct super_block *sb,
965 unsigned long gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
968 gdblock = ext4_meta_bg_first_block_no(sb, group) +
969 ext4_bg_has_super(sb, group);
970 gdb_bh = ext4_sb_bread(sb, gdblock, 0);
978 ext4_warning(sb, "not enough memory for %lu groups",
984 o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
986 EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
991 err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE);
998 rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
999 EXT4_SB(sb)->s_gdb_count++;
1020 struct super_block *sb = inode->i_sb;
1021 int reserved_gdb =le16_to_cpu(EXT4_SB(sb)->s_es->s_reserved_gdt_blocks);
1022 int cluster_bits = EXT4_SB(sb)->s_cluster_bits;
1037 dind = ext4_sb_bread(sb, le32_to_cpu(*data), 0);
1044 blk = EXT4_SB(sb)->s_sbh->b_blocknr + 1 + EXT4_SB(sb)->s_gdb_count;
1045 data = (__le32 *)dind->b_data + (EXT4_SB(sb)->s_gdb_count %
1046 EXT4_ADDR_PER_BLOCK(sb));
1047 end = (__le32 *)dind->b_data + EXT4_ADDR_PER_BLOCK(sb);
1052 ext4_warning(sb, "reserved block %llu"
1059 primary[res] = ext4_sb_bread(sb, blk, 0);
1065 gdbackups = verify_reserved_gdb(sb, group, primary[res]);
1077 if ((err = ext4_journal_get_write_access(handle, sb, primary[i],
1089 blk = group * EXT4_BLOCKS_PER_GROUP(sb);
1102 inode->i_blocks += reserved_gdb * sb->s_blocksize >> (9 - cluster_bits);
1116 static inline void ext4_set_block_group_nr(struct super_block *sb, char *data,
1122 if (ext4_has_metadata_csum(sb))
1123 es->s_checksum = ext4_superblock_csum(sb, es);
1142 static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
1145 struct ext4_sb_info *sbi = EXT4_SB(sb);
1147 const int bpg = EXT4_BLOCKS_PER_GROUP(sb);
1152 int rest = sb->s_blocksize - size;
1156 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
1164 group = ext4_list_backups(sb, &three, &five, &seven);
1167 group = ext4_get_group_number(sb, blk_off) + 1;
1168 last = (ext4_group_t)(group + EXT4_DESC_PER_BLOCK(sb) - 2);
1174 int has_super = ext4_bg_has_super(sb, group);
1175 ext4_fsblk_t first_block = ext4_group_first_block_no(sb, group);
1187 bh = sb_getblk(sb, backup_block);
1194 ext4_group_first_block_no(sb, group));
1196 if ((err = ext4_journal_get_write_access(handle, sb, bh,
1206 ext4_set_block_group_nr(sb, bh->b_data, group);
1211 ext4_std_error(sb, err);
1215 group = ext4_list_backups(sb, &three, &five, &seven);
1236 ext4_warning(sb, "can't update backup for group %u (err %d), "
1249 * @sb: super block
1254 static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
1258 struct ext4_sb_info *sbi = EXT4_SB(sb);
1264 meta_bg = ext4_has_feature_meta_bg(sb);
1266 int reserved_gdb = ext4_bg_has_super(sb, group) ?
1269 gdb_off = group % EXT4_DESC_PER_BLOCK(sb);
1270 gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1282 err = ext4_journal_get_write_access(handle, sb, gdb_bh,
1285 if (!err && reserved_gdb && ext4_bg_num_gdb(sb, group))
1288 err = add_new_gdb_meta_bg(sb, handle, group);
1298 static struct buffer_head *ext4_get_bitmap(struct super_block *sb, __u64 block)
1300 struct buffer_head *bh = sb_getblk(sb, block);
1313 static int ext4_set_bitmap_checksums(struct super_block *sb,
1319 if (!ext4_has_metadata_csum(sb))
1322 bh = ext4_get_bitmap(sb, group_data->inode_bitmap);
1325 ext4_inode_bitmap_csum_set(sb, gdp, bh,
1326 EXT4_INODES_PER_GROUP(sb) / 8);
1329 bh = ext4_get_bitmap(sb, group_data->block_bitmap);
1332 ext4_block_bitmap_csum_set(sb, gdp, bh);
1341 static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
1346 struct ext4_sb_info *sbi = EXT4_SB(sb);
1356 gdb_off = group % EXT4_DESC_PER_BLOCK(sb);
1357 gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1365 gdb_off * EXT4_DESC_SIZE(sb));
1367 memset(gdp, 0, EXT4_DESC_SIZE(sb));
1368 ext4_block_bitmap_set(sb, gdp, group_data->block_bitmap);
1369 ext4_inode_bitmap_set(sb, gdp, group_data->inode_bitmap);
1370 err = ext4_set_bitmap_checksums(sb, gdp, group_data);
1372 ext4_std_error(sb, err);
1376 ext4_inode_table_set(sb, gdp, group_data->inode_table);
1377 ext4_free_group_clusters_set(sb, gdp,
1379 ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb));
1380 if (ext4_has_group_desc_csum(sb))
1381 ext4_itable_unused_set(sb, gdp,
1382 EXT4_INODES_PER_GROUP(sb));
1384 ext4_group_desc_csum_set(sb, group, gdp);
1388 ext4_std_error(sb, err);
1396 err = ext4_mb_add_groupinfo(sb, group, gdp);
1403 static void ext4_add_overhead(struct super_block *sb,
1406 struct ext4_sb_info *sbi = EXT4_SB(sb);
1418 * @sb: super block
1421 static void ext4_update_super(struct super_block *sb,
1428 struct ext4_sb_info *sbi = EXT4_SB(sb);
1456 le32_add_cpu(&es->s_inodes_count, EXT4_INODES_PER_GROUP(sb) *
1458 le32_add_cpu(&es->s_free_inodes_count, EXT4_INODES_PER_GROUP(sb) *
1485 (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
1496 EXT4_INODES_PER_GROUP(sb) * flex_gd->count);
1500 if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) {
1508 atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,
1519 if (ext4_has_feature_bigalloc(sb) && (sbi->s_overhead != 0))
1520 ext4_add_overhead(sb,
1523 ext4_calculate_overhead(sb);
1526 ext4_superblock_csum_set(sb);
1528 if (test_opt(sb, DEBUG))
1538 static int ext4_flex_group_add(struct super_block *sb,
1542 struct ext4_sb_info *sbi = EXT4_SB(sb);
1555 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1558 err = setup_new_flex_group_blocks(sb, flex_gd);
1568 credit = 3; /* sb, resize inode, resize inode dindirect */
1570 credit += 1 + DIV_ROUND_UP(flex_gd->count, EXT4_DESC_PER_BLOCK(sb));
1572 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credit);
1579 err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh,
1586 err = ext4_add_new_descs(handle, sb, group,
1591 err = ext4_setup_new_descs(handle, sb, flex_gd);
1595 ext4_update_super(sb, flex_gd);
1605 int gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1607 EXT4_DESC_PER_BLOCK(sb));
1608 int meta_bg = ext4_has_feature_meta_bg(sb) &&
1611 ext4_group_first_block_no(sb, 0);
1614 update_backups(sb, ext4_group_first_block_no(sb, 0),
1623 update_backups(sb, gdb_bh->b_blocknr - padding_blocks,
1632 static int ext4_setup_next_flex_gd(struct super_block *sb,
1636 struct ext4_sb_info *sbi = EXT4_SB(sb);
1647 clusters_per_group = EXT4_CLUSTERS_PER_GROUP(sb);
1654 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1656 ext4_get_group_no_and_offset(sb, n_blocks_count - 1, &n_group, &last);
1668 group_data[i].blocks_count = EXT4_BLOCKS_PER_GROUP(sb);
1669 overhead = ext4_group_overhead_blocks(sb, group + i);
1671 group_data[i].free_clusters_count = EXT4_CLUSTERS_PER_GROUP(sb);
1672 if (ext4_has_group_desc_csum(sb)) {
1675 if (!test_opt(sb, INIT_INODE_TABLE))
1681 if (last_group == n_group && ext4_has_group_desc_csum(sb))
1707 int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
1710 struct ext4_sb_info *sbi = EXT4_SB(sb);
1712 int reserved_gdb = ext4_bg_has_super(sb, input->group) ?
1719 gdb_off = input->group % EXT4_DESC_PER_BLOCK(sb);
1721 if (gdb_off == 0 && !ext4_has_feature_sparse_super(sb)) {
1722 ext4_warning(sb, "Can't resize non-sparse filesystem further");
1728 ext4_warning(sb, "blocks_count overflow");
1732 if (le32_to_cpu(es->s_inodes_count) + EXT4_INODES_PER_GROUP(sb) <
1734 ext4_warning(sb, "inodes_count overflow");
1739 if (!ext4_has_feature_resize_inode(sb) ||
1741 ext4_warning(sb,
1745 inode = ext4_iget(sb, EXT4_RESIZE_INO, EXT4_IGET_SPECIAL);
1747 ext4_warning(sb, "Error opening resize inode");
1753 err = verify_group_input(sb, input);
1757 err = ext4_alloc_flex_bg_array(sb, input->group + 1);
1761 err = ext4_mb_alloc_groupinfo(sb, input->group + 1);
1768 err = ext4_flex_group_add(sb, inode, &flex_gd);
1777 static int ext4_group_extend_no_check(struct super_block *sb,
1780 struct ext4_super_block *es = EXT4_SB(sb)->s_es;
1787 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, 3);
1790 ext4_warning(sb, "error %d on journal start", err);
1794 BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
1795 err = ext4_journal_get_write_access(handle, sb, EXT4_SB(sb)->s_sbh,
1798 ext4_warning(sb, "error %d on journal write access", err);
1802 lock_buffer(EXT4_SB(sb)->s_sbh);
1805 ext4_superblock_csum_set(sb);
1806 unlock_buffer(EXT4_SB(sb)->s_sbh);
1810 err = ext4_group_add_blocks(handle, sb, o_blocks_count, add);
1813 ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
1822 if (test_opt(sb, DEBUG))
1825 update_backups(sb, ext4_group_first_block_no(sb, 0),
1841 int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
1852 if (test_opt(sb, DEBUG))
1853 ext4_msg(sb, KERN_DEBUG,
1860 if (n_blocks_count > (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) {
1861 ext4_msg(sb, KERN_ERR,
1868 ext4_warning(sb, "can't shrink FS - resize aborted");
1873 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1876 ext4_warning(sb, "need to use ext2online to resize further");
1880 add = EXT4_BLOCKS_PER_GROUP(sb) - last;
1883 ext4_warning(sb, "blocks_count overflow");
1891 ext4_warning(sb, "will only finish group (%llu blocks, %u new)",
1895 bh = ext4_sb_bread(sb, o_blocks_count + add - 1, 0);
1897 ext4_warning(sb, "can't read last block, resize aborted");
1902 return ext4_group_extend_no_check(sb, o_blocks_count, add);
1906 static int num_desc_blocks(struct super_block *sb, ext4_group_t groups)
1908 return (groups + EXT4_DESC_PER_BLOCK(sb) - 1) / EXT4_DESC_PER_BLOCK(sb);
1916 static int ext4_convert_meta_bg(struct super_block *sb, struct inode *inode)
1919 struct ext4_sb_info *sbi = EXT4_SB(sb);
1926 ext4_msg(sb, KERN_INFO, "Converting file system to meta_bg");
1929 ext4_error(sb, "Unexpected non-zero "
1951 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credits);
1956 err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh,
1962 ext4_clear_feature_resize_inode(sb);
1963 ext4_set_feature_meta_bg(sb);
1965 cpu_to_le32(num_desc_blocks(sb, sbi->s_groups_count));
1966 ext4_superblock_csum_set(sb);
1971 ext4_std_error(sb, err);
1985 ext4_std_error(sb, err);
1993 ext4_error(sb, "corrupted/inconsistent resize inode");
2000 * @sb: super block of the fs to be resized
2003 int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
2006 struct ext4_sb_info *sbi = EXT4_SB(sb);
2023 bh = ext4_sb_bread(sb, n_blocks_count - 1, 0);
2025 ext4_warning(sb, "can't read last block, resize aborted");
2037 if (ext4_has_feature_bigalloc(sb))
2038 n_blocks_count &= ~((1 << EXT4_CLUSTER_BITS(sb)) - 1);
2043 ext4_msg(sb, KERN_INFO, "resizing filesystem from %llu "
2048 ext4_warning(sb, "can't shrink FS - resize aborted");
2056 n_group = ext4_get_group_number(sb, n_blocks_count - 1);
2057 if (n_group >= (0xFFFFFFFFUL / EXT4_INODES_PER_GROUP(sb))) {
2058 ext4_warning(sb, "resize would cause inodes_count overflow");
2061 ext4_get_group_no_and_offset(sb, o_blocks_count - 1, &o_group, &offset);
2063 n_desc_blocks = num_desc_blocks(sb, n_group + 1);
2064 o_desc_blocks = num_desc_blocks(sb, sbi->s_groups_count);
2066 meta_bg = ext4_has_feature_meta_bg(sb);
2068 if (ext4_has_feature_resize_inode(sb)) {
2070 ext4_error(sb, "resize_inode and meta_bg enabled "
2079 n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
2081 EXT4_BLOCKS_PER_GROUP(sb) +
2087 resize_inode = ext4_iget(sb, EXT4_RESIZE_INO,
2090 ext4_warning(sb, "Error opening resize inode");
2096 err = ext4_convert_meta_bg(sb, resize_inode);
2117 if ((ext4_group_first_block_no(sb, n_group) +
2118 ext4_group_overhead_blocks(sb, n_group) + 2 +
2120 n_blocks_count = ext4_group_first_block_no(sb, n_group);
2134 add = EXT4_C2B(sbi, EXT4_CLUSTERS_PER_GROUP(sb) - (offset + 1));
2136 err = ext4_group_extend_no_check(sb, o_blocks_count, add);
2144 err = ext4_alloc_flex_bg_array(sb, n_group + 1);
2148 err = ext4_mb_alloc_groupinfo(sb, n_group + 1);
2161 while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count)) {
2164 ext4_msg(sb, KERN_INFO,
2169 if (ext4_alloc_group_tables(sb, flex_gd, flexbg_size) != 0)
2171 err = ext4_flex_group_add(sb, resize_inode, flex_gd);
2194 ext4_warning(sb, "error (%d) occurred during "
2196 ext4_msg(sb, KERN_INFO, "resized filesystem to %llu",