Re: [PATCH 01/20] nfsd: drop useless LIST_HEAD

J. Bruce Fields
2018-12-23T21:27:02Z

Applied, thanks.--b.

On Sun, Dec 23, 2018 at 09:56:56AM +0100, Julia Lawall wrote:
> Drop LIST_HEAD where the variable it declares is never used.
>
> This was introduced in c5c707f96fc9a ("nfsd: implement pNFS
> layout recalls"), but was not used even in that commit.
>
> The semantic patch that fixes this problem is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> identifier x;
> @@
> - LIST_HEAD(x);
> ... when != x
> // </smpl>
>
> Fixes: c5c707f96fc9a ("nfsd: implement pNFS layout recalls")
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
>
> ---
> Successfully 0-day tested on 151 configurations.
>
> fs/nfsd/nfs4layouts.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
> index 2b36aa037ce0..44517fb5c0de 100644
> --- a/fs/nfsd/nfs4layouts.c
> +++ b/fs/nfsd/nfs4layouts.c
> @@ -656,7 +656,6 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
> struct nfsd_net *nn;
> ktime_t now, cutoff;
> const struct nfsd4_layout_ops *ops;
> - LIST_HEAD(reaplist);
>
>
> switch (task->tk_status) {