On Wed, Jul 28, 2021 at 08:37:45AM +1000, NeilBrown wrote: > In order to support filehandle lookup in filesystems with internal > mounts (multiple subvols in the one filesystem) reconnect_path() in > exportfs will need to find out if a given dentry is already mounted. > This can be done with the function lookup_mnt(), so export that to make > it available. IMO having exportfs modular is wrong - note that fs/fhandle.c is * calling functions in exportfs * non-modular * ... and not going to be modular, no matter what - there are syscalls in it.
