On Mon, Feb 05, 2024 at 09:23:29PM -0800, Darrick J. Wong wrote: > > > > Well, even with the current code base in Darrick's queue a mount alone > > won't upgrade features, you need to do an explicit exchrange or online > > repair operation. And I think we should basically never do log or > > other format incompatible changes without an explicit user action. > > Should I add a flags bit to the ioctls so that programs can force them > on if the process has CAP_SYS_ADMIN? Please not, that's just a horrible interface. > Or would you rather a mount option > "-o allow_log_upgrades=1" so that's totally under control of whoever > writes fstab? > > The first option probably turns into an "and now everyone sets this" > thing; the second one clutters up the mount options. Yes, that or a CAP_SYS_ADMIN ioctl on the fs.
