On Mon, Jun 12, 2023 at 09:32:05AM +0300, Amir Goldstein wrote: > Agree to both. > As I told Christian, I was reluctant to use the last available flag bit > (although you did free up a couple of flags:)), but making > FMODE_OVERLAYFS overlayfs only and keeping cachefiles with > FMODE_NOACCOUNT would be the cleaner thing to do. Please go ahead with the bit. In addition to the block series I plan to move all static flags from f_mode to a new f_op.flags field in the next merge window, which should help with avaiability.