On Thu, Aug 18, 2022 at 9:14 AM David Howells <dhowells@xxxxxxxxxx> wrote: > Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > > > I guess my question is this: for inodes inside the superblock, does > > their superblock pointer point to the submount's superblock, or the > > parent filesystem's superblock? > > They have to point to the submount superblock. Too many things would break, I > think, if inode->i_sb pointed to the wrong place. As far as the VFS is > concerned, apart from the way it is mounted, it's a perfectly normal > superblock. If the submount inodes point back to the submount's superblock then it seems reasonable that the rootcontext should remain unset to me. -- paul-moore.com
