EXT2_BLOCK_GROUP_BLOCK_UNINIT
if (fGroupDescriptor->Flags() & EXT2_BLOCK_GROUP_BLOCK_UNINIT) {
if (fGroupDescriptor->Flags() & EXT2_BLOCK_GROUP_BLOCK_UNINIT)
if ((flags & EXT2_BLOCK_GROUP_BLOCK_UNINIT) == 0)
fGroupDescriptor->SetFlags(flags & ~EXT2_BLOCK_GROUP_BLOCK_UNINIT);