Re: [PATCH v2 3/3] nfsd: keep a tally of RECLAIM_COMPLETE operations when using nfsdcld

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On Tue, Dec 18, 2018 at 09:29:26AM -0500, Scott Mayhew wrote:
> diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
> index 89c2a27956d0..ae74814b2397 100644
> --- a/fs/nfsd/nfs4recover.c
> +++ b/fs/nfsd/nfs4recover.c
> @@ -1251,6 +1251,7 @@ nfsd4_cld_grace_done(struct nfsd_net *nn)
>  	free_cld_upcall(cup);
>  out_err:
>  	nfs4_release_reclaim(nn);
> +	atomic_set(&nn->nr_reclaim_complete, 0);
>  	if (ret)
>  		printk(KERN_ERR "NFSD: Unable to end grace period: %d\n", ret);
>  }
> @@ -1270,6 +1271,8 @@ nfs4_cld_state_init(struct net *net)
>  	for (i = 0; i < CLIENT_HASH_SIZE; i++)
>  		INIT_LIST_HEAD(&nn->reclaim_str_hashtbl[i]);
>  	nn->reclaim_str_hashtbl_size = 0;
> +	nn->track_reclaim_completes = true;
> +	atomic_set(&nn->nr_reclaim_complete, 0);
>  
>  	return 0;
>  }
...
> @@ -1318,6 +1322,7 @@ nfsd4_cld_tracking_exit(struct net *net)
>  	struct nfsd_net *nn = net_generic(net, nfsd_net_id);
>  
>  	nfs4_release_reclaim(nn);
> +	atomic_set(&nn->nr_reclaim_complete, 0);
>  	nfsd4_remove_cld_pipe(net);
>  	nfs4_cld_state_shutdown(net);
>  }

We're initializing nr_reclaim_complete in 3 different places, probably
only one of those is really necessary?

--b.



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