Re: [RFC PATCH 0/4] SUNRPC: rework cache upcall to avoid NFSd rootswapping

From: Stanislav Kinsbursky
Date: Thu Jan 31 2013 - 00:15:52 EST


31.01.2013 03:00, J. Bruce Fields ÐÐÑÐÑ:
On Tue, Jan 15, 2013 at 11:09:23AM +0300, Stanislav Kinsbursky wrote:
The main idea of this patch set is to call cache request not on kthread
upcall, but on userspace daemon cache_read call. This fixes the problem with
gaining of wrong dentry path after calling d_path() in kthread root context
(svc_export_request() callback), which always work in init root context, but
containers can work in "root jail" - i.e. have it's own nested root.

Sorry for the delay. This looks good to me--committing pending some
testing.

What's left now for basic containerized nfsd support?


Sure, thanks!
Not that many patches left: NFSd fs per-net (to get the proper context from the superblock), disabling UMH tracker for a while (again selecting proper root issue) and removing of error patch for state tracker in current net != &init_net.
They are simple so I'm going to re-send them soon. Just wanna work a bit more on per-net service shutdown first since it looks more urgent.


--
Best regards,
Stanislav Kinsbursky
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/