Hi, Can both EXT4_FEATURE_INCOMPAT_META_BG and EXT4_FEATURE_INCOMPAT_FLEX_BG flags turn on the same time? If yes, I am wondering whether there is a correlation between the numbers of block groups in META group and FLEX group. Where are backups of superblock and group description table (GDT) stored in this case? Thanks. _____________________________________________________________________________ ATTENTION: The information contained in this message (including any files transmitted with this message) may contain proprietary, trade secret or other confidential and/or legally privileged information. Any pricing information contained in this message or in any files transmitted with this message is always confidential and cannot be shared with any third parties without prior written approval from Syncsort. This message is intended to be read only by the individual or entity to whom it is addressed or by their designee. If the reader of this message is not the intended recipient, you are on notice that any use, disclosure, copying or distribution of this message, in any form, is strictly prohibited. If you have received this message in error, please immediately notify the sender and/or Syncsort and destroy all copies of this message in your possession, custody or control. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html