On Mon, Jun 22, 2015 at 4:26 PM, Jan Olszak <j.olszak@xxxxxxxxxxx> wrote: >> You can bind mount individual files from the lower layer to the >> overlay. That fixes the "allow modification" part. > > Well bind mounting every file that should have COW is unmaintainable - if > new files appear admin has to mount each one. No. I was proposing bind mounts for non-COW ones. mount -t overlay -olowerdir=/lower,upperdir=/upper,workdir=/work overlay /ovl mount --bind /lower/this-file-is-non-cow /ovl/this-file-is-non-cow ... >> But what should happen on rename or unlink? > > Both would operate on the original inode. And that would make this hugely complex. Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in
