LOR between NFS and syncer

Dag-Erling Smørgrav des at des.no
Sat Jun 6 15:11:49 UTC 2009


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


More information about the freebsd-current mailing list