[PATCH 0/4 RESEND] nfs4.0: Refetch lease_time after clientID reset

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(rebased on linux-next)

We've noticed, that nfs mounts with vers=4.0 do not pick up a updated
lease_time after a restart of the nfs server. This was discussed in
the thread "4.0 client and server restart with decreased lease time" on
linux-nfs [1].

This patch set fixes the issue for nsf4.0 clients so that hey behave as
nfs4.1 and nfs4.2 clients do.  After a new clientID is established, the
lease_time is re-fetched and used.

I've notcied, that the flag NFS_CS_CHECK_LEASE_TIME is not functional in
the existing code. It is set and tested, but never reset. Either
nfs4_setup_state_renewal should reset the flag after it verified the
lease_time or the flag could be removed altogether. I left it as is,
because I don't known what is preferred.

[1] https://marc.info/?t=154954022700002&r=1&w=2

Donald Buczek (4):
  nfs: Fix copy-and-paste error in debug message
  nfs4: Rename nfs41_setup_state_renewal
  nfs4: Move nfs4_setup_state_renewal
  nfs4.0: Refetch lease_time after clientid update

 fs/nfs/nfs4state.c | 46 +++++++++++++++++++++++-----------------------
 fs/nfs/nfs4xdr.c   |  2 +-
 2 files changed, 24 insertions(+), 24 deletions(-)

-- 
2.21.0




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