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
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