Re: [PATCH] NFSv4: don't mark all open state for recovery when handling recallable state revoked flag

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Hi Scott,

On Thu, 2019-05-02 at 13:31 -0400, Scott Mayhew wrote:
> Only delegations and layouts can be recalled, so it shouldn't be
> necessary to recover all opens when handling the status bit
> SEQ4_STATUS_RECALLABLE_STATE_REVOKED.  We'll still wind up calling
> nfs41_open_expired() when a TEST_STATEID returns
> NFS4ERR_DELEG_REVOKED.
> 
> Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx>
> ---
>  fs/nfs/nfs4state.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
> index 3de36479ed7a..4db9bcf93fad 100644
> --- a/fs/nfs/nfs4state.c
> +++ b/fs/nfs/nfs4state.c
> @@ -2346,8 +2346,8 @@ static void
> nfs41_handle_recallable_state_revoked(struct nfs_client *clp)
>  {
>  	/* FIXME: For now, we destroy all layouts. */
>  	pnfs_destroy_all_layouts(clp);
> -	/* FIXME: For now, we test all delegations+open state+locks. */
> -	nfs41_handle_some_state_revoked(clp);
> +	nfs_mark_test_expired_all_delegations(clp);
> +	nfs4_schedule_state_manager(clp);
>  	dprintk("%s: Recallable state revoked on server %s!\n",
> __func__,
>  			clp->cl_hostname);
>  }

Can we please package the above two lines into a helper function in
fs/nfs/delegation.c? I suggest just calling it
nfs_test_expired_all_delegations().

Thanks!
  Trond

-- 
Trond Myklebust
Linux NFS client maintainer, Hammerspace
trond.myklebust@xxxxxxxxxxxxxxx






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