On 2/21/24 12:23 AM, Christian Brauner wrote: >> @@ -313,18 +342,45 @@ static int coda_statfs(struct dentry *dentry, struct kstatfs *buf) >> return 0; >> } >> >> -/* init_coda: used by filesystems.c to register coda */ >> +static int coda_get_tree(struct fs_context *fc) >> +{ >> + if (task_active_pid_ns(current) != &init_pid_ns) >> + return -EINVAL; > Fwiw, this check is redundant since you're performing the same check in > coda_fill_super() again. That's an error on my part, sorry - David had it removed in his original patch and I missed it. Would you like me to send a V2? Thanks, -Eric