On Thu, Apr 28, 2016 at 09:01:17PM -0500, Goldwyn Rodrigues wrote: > @@ -167,7 +204,8 @@ static void destroy_super(struct super_block *s) > WARN_ON(!list_empty(&s->s_mounts)); > kfree(s->s_subtype); > kfree(s->s_options); > - call_rcu(&s->rcu, destroy_super_rcu); > + if (s->s_type->fs_flags & FS_CREATE_SYSFS) > + kobject_del(&s->s_kobj); So we have kobject_del() under a spinlock. Wonderful... Better yet, you have the sodding kobjects sitting around well past the point when the filesystem driver has gone through rmmod. sysfs: lifetime rules made simple. So simple that they don't fit a lot of situations, but hey - it sure *looks* easy to use... NAK. If you want a description of super_block life cycle, I can describe it to you. But please, don't play with it until you understand it. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
