Nico Williams <nico@xxxxxxxxxxxxxxxx> wrote: > b) how to create tmpfs locations in which to store credentials (which > can be unbounded in size, so storing them in the kernel is silly; Ummm... tmpfs stores them in the kernel too - though it can page them out to swap. I have altered my big-key implementation to just store small items in an internal buffer and big items in a tmpfs file. This means that small items will use up _less_ kernel memory if they're in a key because they won't require the overhead of a dentry struct and an inode struct. > (b) can be solved in many ways, and the simplest is to have a > filesystem where top-level directories named after UIDs "exist" as > soon as they are referenced and as long as they are non-empty. You > can use autofs + tmpfs, or a variant of tmpfs for this. Don't forget to add user namespaces into the mix :-/ David -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
