On Sat, Aug 24, 2024 at 09:27:24AM GMT, Hongbo Li wrote: > We enable idmapped mounts for bcachefs. Here, we just pass down > the user_namespace argument from the VFS methods to the relevant Fwiw, you're not passing a user namespace, you're passing an idmapping. > helpers. > > The idmap test in bcachefs is as following: I saw that you tested this with xfstests because that has all the important testing. Below is just really a "ok, that _looks_ like what we'd expect" kind of test. > > ``` > 1. losetup /dev/loop1 bcachefs.img > 2. ./bcachefs format /dev/loop1 > 3. mount -t bcachefs /dev/loop1 /mnt/bcachefs/ > 4. ./mount-idmapped --map-mount b:0:1000:1 /mnt/bcachefs /mnt/idmapped1/ > > ll /mnt/bcachefs > total 2 > drwx------. 2 root root 0 Jun 14 14:10 lost+found > -rw-r--r--. 1 root root 1945 Jun 14 14:12 profile > > ll /mnt/idmapped1/ > > total 2 > drwx------. 2 1000 1000 0 Jun 14 14:10 lost+found > -rw-r--r--. 1 1000 1000 1945 Jun 14 14:12 profile > > Signed-off-by: Hongbo Li <lihongbo22@xxxxxxxxxx> > > --- Seems good to me, Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>
