https://bugzilla.kernel.org/show_bug.cgi?id=194567 --- Comment #5 from Theodore Tso (tytso@xxxxxxx) --- The meta_bg feature allows file system resizing when (a) there is no resize_inode, OR (b) when the file system has more than 2**32 blocks. We don't enable the meta_bg field and turn off resize_inode by default because for smaller file systems on HDD's, using the meta_bg slows down the mount by a little (since the block group descriptors get spread out across the disk). So in general the strategy is to use the resize_inode until the file system grows beyond 2**32 blocks, and only then to switch on the meta_bg feature. So I was a bit surprised to see your smallish file system with meta_bg. This is supported primarily for debugging / development processes (so we can easily test meta_bg without needing huge test disks), and not something I had necessarily had intended for use in production. (But thanks for being a guinea pig so we could find this bug! :-) :-) :-) -- You are receiving this mail because: You are watching the assignee of the bug.
