On Tue, Jul 13, 2021 at 01:13:21PM +0200, Christian Brauner wrote: > From: Christian Brauner <christian.brauner@xxxxxxxxxx> > > Various filesystems use the lookup_one_len() helper to lookup a single path > component relative to a well-known starting point. Allow such filesystems to > support idmapped mounts by enabling lookup_one_len() to take the idmap into > account when calling inode_permission(). This change is a required to let btrfs > (and other filesystems) support idmapped mounts. NAK. Expose a new variant if you must, but leave the old one alone.
