tree 513b8cb36005322aa2c418e3e0519aefe597cda5
parent 0f35ad6f688e9b7bcaa918a42130695822906f11
author Trond Myklebust <Trond.Myklebust@netapp.com> 1349393542 -0700
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1349395068 -0700

NFSv4.1: Ensure that the layout sequence id stays 'close' to the current

Clamp the layout barrier sequence id to the current sequence id
minus the maximum number of outstanding layoutget requests.

Also ensure that we correctly initialise lo->plh_barrier if there are
no layout segments associated to this layout header.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>