Pawel Jakub Dawidek 720f3948c0 Add boot.nfsroot.options loader tunable.
It allows to specify options for NFS root file system.
Currently supported options are: soft, intr, conn, lockd.

I'm adding this functionality mostly for 'lockd' option, which is only
honored when performing the initial mount and will be silently ignored
if used while updating the mount options.

This will allow to use flock(2) without the need of using varmfs or
rpc.lockd and friends.

Example of use:
boot.nfsroot.options="intr,lockd"

MFC after:	2 weeks
2005-10-06 11:18:34 +00:00
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