Re: Fwd: [RHEL7.1 PATCH 0/5][BZ1166845] NFSv4.x: Delegation return causes infinite loop and hung

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oops.. wrong mailing list... please ignore... 

/me need more coffee!!! ;-)

steved.

On 12/03/2014 08:55 AM, Steve Dickson wrote:
> Hello,
> 
> Would it be possible to get these review and (hopefully) acked 
> relatively soon?  I'm trying to get them into the rhel7-fs 
> and they need to be acked up ;-) 
> 
> tia,
> 
> steved.
> 
> 
> -------- Forwarded Message --------
> Subject: [RHEL7.1 PATCH 0/5][BZ1166845] NFSv4.x: Delegation return causes infinite loop and hung
> Date: Tue,  2 Dec 2014 13:21:50 -0500
> From: Steve Dickson <steved@xxxxxxxxxx>
> To: Red Hat Kernel List <rhkernel-list@xxxxxxxxxx>
> CC: Red Hat NFS Team <nfs-team@xxxxxxxxxx>
> 
> Here is a late breaking bug that was found by the Netapp QA people
> 
> Description of problem:
>   When an NFS client receives an error while trying to return a delegation, it 
>   leads to infinite state recovery (and hung machine).
> 
> As usual, as soon as this hits one of our kernel, they will
> be more than willing to help out with testing.
> 
> bz: https://bugzilla.redhat.com/show_bug.cgi?id=1166845
> 
> Trond Myklebust (5):
>   NFSv4: Ensure that we remove NFSv4.0 delegations when state has
>     expired
>   NFSv4: Ensure that we call FREE_STATEID when NFSv4.x stateids are
>     revoked
>   NFS: Don't try to reclaim delegation open state if recovery failed
>   NFSv4: Fix races between nfs_remove_bad_delegation() and delegation
>     return
>   NFSv4.1: nfs41_clear_delegation_stateid shouldn't trust
>     NFS_DELEGATED_STATE
> 
>  fs/nfs/delegation.c            | 25 ++++++++++++--
>  fs/nfs/delegation.h            |  1 +
>  fs/nfs/filelayout/filelayout.c |  3 --
>  fs/nfs/nfs4proc.c              | 76 +++++++++++++++++++++++-------------------
>  4 files changed, 65 insertions(+), 40 deletions(-)
> 
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