Lines Matching refs:sb
47 int ext4_resize_begin(struct super_block *sb)
49 struct ext4_sb_info *sbi = EXT4_SB(sb);
59 if (EXT4_SB(sb)->s_es->s_reserved_gdt_blocks &&
60 !ext4_has_feature_resize_inode(sb)) {
61 ext4_error(sb, "resize_inode disabled but reserved GDT blocks non-zero");
71 le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
72 ext4_warning(sb, "won't resize using backup superblock at %llu",
73 (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
81 if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
82 ext4_warning(sb, "There are errors in the filesystem, "
87 if (ext4_has_feature_sparse_super2(sb)) {
88 ext4_msg(sb, KERN_ERR, "Online resizing not supported with sparse_super2");
93 &EXT4_SB(sb)->s_ext4_flags))
99 void ext4_resize_end(struct super_block *sb)
101 clear_bit_unlock(EXT4_FLAGS_RESIZING, &EXT4_SB(sb)->s_ext4_flags);
105 static ext4_group_t ext4_meta_bg_first_group(struct super_block *sb,
107 return (group >> EXT4_DESC_PER_BLOCK_BITS(sb)) <<
108 EXT4_DESC_PER_BLOCK_BITS(sb);
111 static ext4_fsblk_t ext4_meta_bg_first_block_no(struct super_block *sb,
113 group = ext4_meta_bg_first_group(sb, group);
114 return ext4_group_first_block_no(sb, group);
117 static ext4_grpblk_t ext4_group_overhead_blocks(struct super_block *sb,
120 overhead = ext4_bg_num_gdb(sb, group);
121 if (ext4_bg_has_super(sb, group))
123 le16_to_cpu(EXT4_SB(sb)->s_es->s_reserved_gdt_blocks);
130 static int verify_group_input(struct super_block *sb,
133 struct ext4_sb_info *sbi = EXT4_SB(sb);
146 ext4_warning(sb, "Cannot add at group %u (only %u groups)",
151 overhead = ext4_group_overhead_blocks(sb, group);
156 if (test_opt(sb, DEBUG))
159 ext4_bg_has_super(sb, input->group) ? "normal" :
163 ext4_get_group_no_and_offset(sb, start, NULL, &offset);
165 ext4_warning(sb, "Last group not full");
167 ext4_warning(sb, "Reserved blocks too high (%u)",
170 ext4_warning(sb, "Bad blocks count %u",
172 else if (IS_ERR(bh = ext4_sb_bread(sb, end - 1, 0))) {
175 ext4_warning(sb, "Cannot read last block (%llu)",
178 ext4_warning(sb, "Block bitmap not in group (block %llu)",
181 ext4_warning(sb, "Inode bitmap not in group (block %llu)",
185 ext4_warning(sb, "Inode table not in group (blocks %llu-%llu)",
188 ext4_warning(sb, "Block bitmap same as inode bitmap (%llu)",
191 ext4_warning(sb, "Block bitmap (%llu) in inode table "
196 ext4_warning(sb, "Inode bitmap (%llu) in inode table "
201 ext4_warning(sb, "Block bitmap (%llu) in GDT table (%llu-%llu)",
205 ext4_warning(sb, "Inode bitmap (%llu) in GDT table (%llu-%llu)",
210 ext4_warning(sb, "Inode table (%llu-%llu) overlaps GDT table "
299 * @sb: super block of fs to which the groups belongs
304 static int ext4_alloc_group_tables(struct super_block *sb,
332 start_blk = ext4_group_first_block_no(sb, src_group);
335 overhead = ext4_group_overhead_blocks(sb, src_group);
342 overhead = ext4_group_overhead_blocks(sb, src_group);
354 group = ext4_get_group_number(sb, start_blk - 1);
365 group = ext4_get_group_number(sb, start_blk - 1);
373 unsigned int itb = EXT4_SB(sb)->s_itb_per_group;
379 group = ext4_get_group_number(sb, start_blk);
380 next_group_start = ext4_group_first_block_no(sb, group + 1);
392 start_blk += EXT4_SB(sb)->s_itb_per_group;
398 EXT4_NUM_B2C(EXT4_SB(sb),
402 if (test_opt(sb, DEBUG)) {
413 ext4_bg_has_super(sb, group + i) ? "normal" :
423 static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
429 bh = sb_getblk(sb, blk);
437 memset(bh->b_data, 0, sb->s_blocksize);
455 * @sb: super block
459 static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle,
463 struct ext4_sb_info *sbi = EXT4_SB(sb);
476 group = ext4_get_group_number(sb, EXT4_C2B(sbi, first_cluster));
477 start = EXT4_B2C(sbi, ext4_group_first_block_no(sb, group));
480 count2 = EXT4_CLUSTERS_PER_GROUP(sb) - (first_cluster - start);
493 bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);
530 static int setup_new_flex_group_blocks(struct super_block *sb,
533 int group_table_count[] = {1, 1, EXT4_SB(sb)->s_itb_per_group};
536 struct ext4_sb_info *sbi = EXT4_SB(sb);
550 meta_bg = ext4_has_feature_meta_bg(sb);
553 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
562 gdblocks = ext4_bg_num_gdb(sb, group);
563 start = ext4_group_first_block_no(sb, group);
565 if (meta_bg == 0 && !ext4_bg_has_super(sb, group))
571 block = start + ext4_bg_has_super(sb, group);
581 gdb = sb_getblk(sb, block);
608 if (ext4_bg_has_super(sb, group)) {
609 err = sb_issue_zeroout(sb, gdblocks + start + 1,
624 err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group,
639 bh = bclean(handle, sb, block);
644 overhead = ext4_group_overhead_blocks(sb, group);
652 sb->s_blocksize * 8, bh->b_data);
668 bh = bclean(handle, sb, block);
674 ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
675 sb->s_blocksize * 8, bh->b_data);
693 err = set_flexbg_block_bitmap(sb, handle,
707 err = set_flexbg_block_bitmap(sb, handle,
733 static unsigned ext4_list_backups(struct super_block *sb, unsigned *three,
740 if (!ext4_has_feature_sparse_super(sb)) {
766 static int verify_reserved_gdb(struct super_block *sb,
778 while ((grp = ext4_list_backups(sb, &three, &five, &seven)) < end) {
780 grp * EXT4_BLOCKS_PER_GROUP(sb) + blk){
781 ext4_warning(sb, "reserved GDT %llu"
785 (ext4_fsblk_t)EXT4_BLOCKS_PER_GROUP(sb) +
789 if (++gdbackups > EXT4_ADDR_PER_BLOCK(sb))
812 struct super_block *sb = inode->i_sb;
813 struct ext4_super_block *es = EXT4_SB(sb)->s_es;
814 unsigned long gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
815 ext4_fsblk_t gdblock = EXT4_SB(sb)->s_sbh->b_blocknr + 1 + gdb_num;
824 if (test_opt(sb, DEBUG))
829 gdb_bh = ext4_sb_bread(sb, gdblock, 0);
833 gdbackups = verify_reserved_gdb(sb, group, gdb_bh);
840 dind = ext4_sb_bread(sb, le32_to_cpu(*data), 0);
848 if (le32_to_cpu(data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)]) != gdblock) {
849 ext4_warning(sb, "new group %u GDT block %llu not reserved",
855 BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
856 err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
868 ext4_std_error(sb, err);
881 ext4_warning(sb, "not enough memory for %lu groups",
895 data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)] = 0;
898 ext4_std_error(sb, err);
901 inode->i_blocks -= (gdbackups + 1) * sb->s_blocksize >>
902 (9 - EXT4_SB(sb)->s_cluster_bits);
904 memset(gdb_bh->b_data, 0, sb->s_blocksize);
907 ext4_std_error(sb, err);
914 o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
916 EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
919 rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
920 EXT4_SB(sb)->s_gdb_count++;
923 lock_buffer(EXT4_SB(sb)->s_sbh);
925 ext4_superblock_csum_set(sb);
926 unlock_buffer(EXT4_SB(sb)->s_sbh);
927 err = ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
929 ext4_std_error(sb, err);
944 static int add_new_gdb_meta_bg(struct super_block *sb,
949 unsigned long gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
952 gdblock = ext4_meta_bg_first_block_no(sb, group) +
953 ext4_bg_has_super(sb, group);
954 gdb_bh = ext4_sb_bread(sb, gdblock, 0);
962 ext4_warning(sb, "not enough memory for %lu groups",
968 o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
970 EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
982 rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
983 EXT4_SB(sb)->s_gdb_count++;
1004 struct super_block *sb = inode->i_sb;
1005 int reserved_gdb =le16_to_cpu(EXT4_SB(sb)->s_es->s_reserved_gdt_blocks);
1006 int cluster_bits = EXT4_SB(sb)->s_cluster_bits;
1021 dind = ext4_sb_bread(sb, le32_to_cpu(*data), 0);
1028 blk = EXT4_SB(sb)->s_sbh->b_blocknr + 1 + EXT4_SB(sb)->s_gdb_count;
1029 data = (__le32 *)dind->b_data + (EXT4_SB(sb)->s_gdb_count %
1030 EXT4_ADDR_PER_BLOCK(sb));
1031 end = (__le32 *)dind->b_data + EXT4_ADDR_PER_BLOCK(sb);
1036 ext4_warning(sb, "reserved block %llu"
1043 primary[res] = ext4_sb_bread(sb, blk, 0);
1049 gdbackups = verify_reserved_gdb(sb, group, primary[res]);
1072 blk = group * EXT4_BLOCKS_PER_GROUP(sb);
1085 inode->i_blocks += reserved_gdb * sb->s_blocksize >> (9 - cluster_bits);
1115 static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
1118 struct ext4_sb_info *sbi = EXT4_SB(sb);
1120 const int bpg = EXT4_BLOCKS_PER_GROUP(sb);
1125 int rest = sb->s_blocksize - size;
1129 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
1137 group = ext4_list_backups(sb, &three, &five, &seven);
1140 group = ext4_get_group_number(sb, blk_off) + 1;
1141 last = (ext4_group_t)(group + EXT4_DESC_PER_BLOCK(sb) - 2);
1156 backup_block = (ext4_group_first_block_no(sb, group) +
1157 ext4_bg_has_super(sb, group));
1159 bh = sb_getblk(sb, backup_block);
1166 ext4_group_first_block_no(sb, group));
1180 ext4_std_error(sb, err);
1184 group = ext4_list_backups(sb, &three, &five, &seven);
1205 ext4_warning(sb, "can't update backup for group %u (err %d), "
1218 * @sb: super block
1223 static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
1227 struct ext4_sb_info *sbi = EXT4_SB(sb);
1233 meta_bg = ext4_has_feature_meta_bg(sb);
1235 int reserved_gdb = ext4_bg_has_super(sb, group) ?
1238 gdb_off = group % EXT4_DESC_PER_BLOCK(sb);
1239 gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1253 if (!err && reserved_gdb && ext4_bg_num_gdb(sb, group))
1256 err = add_new_gdb_meta_bg(sb, handle, group);
1266 static struct buffer_head *ext4_get_bitmap(struct super_block *sb, __u64 block)
1268 struct buffer_head *bh = sb_getblk(sb, block);
1281 static int ext4_set_bitmap_checksums(struct super_block *sb,
1288 if (!ext4_has_metadata_csum(sb))
1291 bh = ext4_get_bitmap(sb, group_data->inode_bitmap);
1294 ext4_inode_bitmap_csum_set(sb, group, gdp, bh,
1295 EXT4_INODES_PER_GROUP(sb) / 8);
1298 bh = ext4_get_bitmap(sb, group_data->block_bitmap);
1301 ext4_block_bitmap_csum_set(sb, group, gdp, bh);
1310 static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
1315 struct ext4_sb_info *sbi = EXT4_SB(sb);
1325 gdb_off = group % EXT4_DESC_PER_BLOCK(sb);
1326 gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1334 gdb_off * EXT4_DESC_SIZE(sb));
1336 memset(gdp, 0, EXT4_DESC_SIZE(sb));
1337 ext4_block_bitmap_set(sb, gdp, group_data->block_bitmap);
1338 ext4_inode_bitmap_set(sb, gdp, group_data->inode_bitmap);
1339 err = ext4_set_bitmap_checksums(sb, group, gdp, group_data);
1341 ext4_std_error(sb, err);
1345 ext4_inode_table_set(sb, gdp, group_data->inode_table);
1346 ext4_free_group_clusters_set(sb, gdp,
1348 ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb));
1349 if (ext4_has_group_desc_csum(sb))
1350 ext4_itable_unused_set(sb, gdp,
1351 EXT4_INODES_PER_GROUP(sb));
1353 ext4_group_desc_csum_set(sb, group, gdp);
1357 ext4_std_error(sb, err);
1365 err = ext4_mb_add_groupinfo(sb, group, gdp);
1376 * @sb: super block
1379 static void ext4_update_super(struct super_block *sb,
1386 struct ext4_sb_info *sbi = EXT4_SB(sb);
1414 le32_add_cpu(&es->s_inodes_count, EXT4_INODES_PER_GROUP(sb) *
1416 le32_add_cpu(&es->s_free_inodes_count, EXT4_INODES_PER_GROUP(sb) *
1443 (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
1449 ext4_superblock_csum_set(sb);
1456 EXT4_INODES_PER_GROUP(sb) * flex_gd->count);
1460 if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) {
1468 atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,
1475 ext4_calculate_overhead(sb);
1478 if (test_opt(sb, DEBUG))
1488 static int ext4_flex_group_add(struct super_block *sb,
1492 struct ext4_sb_info *sbi = EXT4_SB(sb);
1505 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1508 err = setup_new_flex_group_blocks(sb, flex_gd);
1518 credit = 3; /* sb, resize inode, resize inode dindirect */
1520 credit += 1 + DIV_ROUND_UP(flex_gd->count, EXT4_DESC_PER_BLOCK(sb));
1522 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credit);
1535 err = ext4_add_new_descs(handle, sb, group,
1540 err = ext4_setup_new_descs(handle, sb, flex_gd);
1544 ext4_update_super(sb, flex_gd);
1554 int gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
1556 EXT4_DESC_PER_BLOCK(sb));
1557 int meta_bg = ext4_has_feature_meta_bg(sb) &&
1560 ext4_group_first_block_no(sb, 0);
1563 update_backups(sb, ext4_group_first_block_no(sb, 0),
1572 update_backups(sb, gdb_bh->b_blocknr - padding_blocks,
1581 static int ext4_setup_next_flex_gd(struct super_block *sb,
1585 struct ext4_sb_info *sbi = EXT4_SB(sb);
1596 clusters_per_group = EXT4_CLUSTERS_PER_GROUP(sb);
1603 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1605 ext4_get_group_no_and_offset(sb, n_blocks_count - 1, &n_group, &last);
1617 group_data[i].blocks_count = EXT4_BLOCKS_PER_GROUP(sb);
1618 overhead = ext4_group_overhead_blocks(sb, group + i);
1620 group_data[i].free_clusters_count = EXT4_CLUSTERS_PER_GROUP(sb);
1621 if (ext4_has_group_desc_csum(sb)) {
1624 if (!test_opt(sb, INIT_INODE_TABLE))
1630 if (last_group == n_group && ext4_has_group_desc_csum(sb))
1656 int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
1659 struct ext4_sb_info *sbi = EXT4_SB(sb);
1661 int reserved_gdb = ext4_bg_has_super(sb, input->group) ?
1668 gdb_off = input->group % EXT4_DESC_PER_BLOCK(sb);
1670 if (gdb_off == 0 && !ext4_has_feature_sparse_super(sb)) {
1671 ext4_warning(sb, "Can't resize non-sparse filesystem further");
1677 ext4_warning(sb, "blocks_count overflow");
1681 if (le32_to_cpu(es->s_inodes_count) + EXT4_INODES_PER_GROUP(sb) <
1683 ext4_warning(sb, "inodes_count overflow");
1688 if (!ext4_has_feature_resize_inode(sb) ||
1690 ext4_warning(sb,
1694 inode = ext4_iget(sb, EXT4_RESIZE_INO, EXT4_IGET_SPECIAL);
1696 ext4_warning(sb, "Error opening resize inode");
1702 err = verify_group_input(sb, input);
1706 err = ext4_alloc_flex_bg_array(sb, input->group + 1);
1710 err = ext4_mb_alloc_groupinfo(sb, input->group + 1);
1717 err = ext4_flex_group_add(sb, inode, &flex_gd);
1726 static int ext4_group_extend_no_check(struct super_block *sb,
1729 struct ext4_super_block *es = EXT4_SB(sb)->s_es;
1736 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, 3);
1739 ext4_warning(sb, "error %d on journal start", err);
1743 BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
1744 err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
1746 ext4_warning(sb, "error %d on journal write access", err);
1750 lock_buffer(EXT4_SB(sb)->s_sbh);
1753 ext4_superblock_csum_set(sb);
1754 unlock_buffer(EXT4_SB(sb)->s_sbh);
1758 err = ext4_group_add_blocks(handle, sb, o_blocks_count, add);
1761 ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
1770 if (test_opt(sb, DEBUG))
1773 update_backups(sb, ext4_group_first_block_no(sb, 0),
1789 int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
1801 if (test_opt(sb, DEBUG))
1802 ext4_msg(sb, KERN_DEBUG,
1809 if (n_blocks_count > (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) {
1810 ext4_msg(sb, KERN_ERR,
1817 ext4_warning(sb, "can't shrink FS - resize aborted");
1822 ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
1825 ext4_warning(sb, "need to use ext2online to resize further");
1829 add = EXT4_BLOCKS_PER_GROUP(sb) - last;
1832 ext4_warning(sb, "blocks_count overflow");
1840 ext4_warning(sb, "will only finish group (%llu blocks, %u new)",
1844 bh = ext4_sb_bread(sb, o_blocks_count + add - 1, 0);
1846 ext4_warning(sb, "can't read last block, resize aborted");
1851 err = ext4_group_extend_no_check(sb, o_blocks_count, add);
1856 static int num_desc_blocks(struct super_block *sb, ext4_group_t groups)
1858 return (groups + EXT4_DESC_PER_BLOCK(sb) - 1) / EXT4_DESC_PER_BLOCK(sb);
1866 static int ext4_convert_meta_bg(struct super_block *sb, struct inode *inode)
1869 struct ext4_sb_info *sbi = EXT4_SB(sb);
1876 ext4_msg(sb, KERN_INFO, "Converting file system to meta_bg");
1879 ext4_error(sb, "Unexpected non-zero "
1901 handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credits);
1911 ext4_clear_feature_resize_inode(sb);
1912 ext4_set_feature_meta_bg(sb);
1914 cpu_to_le32(num_desc_blocks(sb, sbi->s_groups_count));
1915 ext4_superblock_csum_set(sb);
1920 ext4_std_error(sb, err);
1934 ext4_std_error(sb, err);
1942 ext4_error(sb, "corrupted/inconsistent resize inode");
1949 * @sb: super block of the fs to be resized
1952 int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
1955 struct ext4_sb_info *sbi = EXT4_SB(sb);
1972 bh = ext4_sb_bread(sb, n_blocks_count - 1, 0);
1974 ext4_warning(sb, "can't read last block, resize aborted");
1986 if (ext4_has_feature_bigalloc(sb))
1987 n_blocks_count &= ~((1 << EXT4_CLUSTER_BITS(sb)) - 1);
1992 ext4_msg(sb, KERN_INFO, "resizing filesystem from %llu "
1997 ext4_warning(sb, "can't shrink FS - resize aborted");
2005 n_group = ext4_get_group_number(sb, n_blocks_count - 1);
2006 if (n_group >= (0xFFFFFFFFUL / EXT4_INODES_PER_GROUP(sb))) {
2007 ext4_warning(sb, "resize would cause inodes_count overflow");
2010 ext4_get_group_no_and_offset(sb, o_blocks_count - 1, &o_group, &offset);
2012 n_desc_blocks = num_desc_blocks(sb, n_group + 1);
2013 o_desc_blocks = num_desc_blocks(sb, sbi->s_groups_count);
2015 meta_bg = ext4_has_feature_meta_bg(sb);
2017 if (ext4_has_feature_resize_inode(sb)) {
2019 ext4_error(sb, "resize_inode and meta_bg enabled "
2028 n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
2030 EXT4_BLOCKS_PER_GROUP(sb) +
2036 resize_inode = ext4_iget(sb, EXT4_RESIZE_INO,
2039 ext4_warning(sb, "Error opening resize inode");
2045 err = ext4_convert_meta_bg(sb, resize_inode);
2066 if ((ext4_group_first_block_no(sb, n_group) +
2067 ext4_group_overhead_blocks(sb, n_group) + 2 +
2069 n_blocks_count = ext4_group_first_block_no(sb, n_group);
2083 add = EXT4_C2B(sbi, EXT4_CLUSTERS_PER_GROUP(sb) - (offset + 1));
2085 err = ext4_group_extend_no_check(sb, o_blocks_count, add);
2093 err = ext4_alloc_flex_bg_array(sb, n_group + 1);
2097 err = ext4_mb_alloc_groupinfo(sb, n_group + 1);
2110 while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count)) {
2113 ext4_msg(sb, KERN_INFO,
2118 if (ext4_alloc_group_tables(sb, flex_gd, flexbg_size) != 0)
2120 err = ext4_flex_group_add(sb, resize_inode, flex_gd);
2143 ext4_warning(sb, "error (%d) occurred during "
2145 ext4_msg(sb, KERN_INFO, "resized filesystem to %llu",