On Mon, Mar 2, 2009 at 8:39 PM, Theodore Tso <tytso@xxxxxxx> wrote: > On Mon, Mar 02, 2009 at 04:28:44PM +0800, Peng Tao wrote: >> This can be caused by tune2fs -O flex_bg. And clearing flex_bg on such >> partitions is harmless. > > It's actually not necessarily harmless; e2fsck could have already > assigned new bitmap and inode tables outside of the block group. If > you want to enable this, you need to actually check to make sure all > of the block/inode bitmap blocks and inode tables are within their own > block group before allowing flex_bg to be cleared. > > - Ted > Hi, Ted Further looking into the code, I realized that tune2fs -O^flex_bg is already supported if it doesn't break file system consistency. So please ignore this patch. I will send you a new patch for enabling tune2fs -I dealing with the similar scenario. Cheers, Bergwolf -- 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