On Tue, Aug 16, 2022 at 08:11:31PM +0100, Matthew Wilcox wrote: > fs/adfs/dir_f.c: .iterate = adfs_f_iterate, > fs/adfs/dir_fplus.c: .iterate = adfs_fplus_iterate, > > ADFS is read-only, so must be safe? I just checked ADFS. This isn't a f_ops ->iterate, this is a special adfs_dir_ops. ADFS already uses f_ops->iterate_shared.