+ /* Are metadata_csum and uninit_bg both set? */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM) &&
+ fix_problem(ctx, PR_0_META_AND_GDT_CSUM_SET, &pctx)) {
+ fs->super->s_feature_ro_compat &=
+ ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
+ ext2fs_mark_super_dirty(fs);
+ for (i = 0; i < fs->group_desc_count; i++)
+ ext2fs_group_desc_csum_set(fs, i);
+ }
+
+ /* Is 64bit set and extents unset? */
+ if (EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_INCOMPAT_64BIT) &&
+ !EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT3_FEATURE_INCOMPAT_EXTENTS) &&
+ fix_problem(ctx, PR_0_64BIT_WITHOUT_EXTENTS, &pctx)) {
+ fs->super->s_feature_incompat |=
+ EXT3_FEATURE_INCOMPAT_EXTENTS;
+ ext2fs_mark_super_dirty(fs);
+ }
+
+ if ((fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
+ (fs->super->s_first_meta_bg > fs->desc_blocks)) {
+ pctx.group = fs->desc_blocks;
+ pctx.num = fs->super->s_first_meta_bg;
+ if (fix_problem(ctx, PR_0_FIRST_META_BG_TOO_BIG, &pctx)) {
+ fs->super->s_feature_incompat &=
+ ~EXT2_FEATURE_INCOMPAT_META_BG;
+ fs->super->s_first_meta_bg = 0;
+ ext2fs_mark_super_dirty(fs);
+ }
+ }
+