Re: LOR between NFS and syncer

From: Dag-Erling Smørgrav <des_at_des.no>
Date: Sat, 06 Jun 2009 17:12:27 +0200
Kostik Belousov <kostikbel_at_gmail.com> writes:
> The vnode list for the mount point also includes syncer vnode, that
> has a special fsync vop. Usual order is syncer vnode lock -> vnode
> lock for the real vnodes. But, when filesystem is unmounted, we get
> the order covered vnode -> any filesystem vnode during sync before
> unmount. This one gives the LOR you reported, assuming you unmounted
> nfs share mounted on the top of nfs share.

No, the LOR occurred during boot.

DES
-- 
Dag-Erling Smørgrav - des_at_des.no
Received on Sat Jun 06 2009 - 13:11:49 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:49 UTC