Re: [PATCH 08/20] xfs: xfs_buf: drop useless LIST_HEAD
From: Julia Lawall
Date: Mon Dec 24 2018 - 01:33:03 EST
On Sun, 23 Dec 2018, Darrick J. Wong wrote:
> On Sun, Dec 23, 2018 at 09:57:03AM +0100, Julia Lawall wrote:
> > Drop LIST_HEAD where the variable it declares has never
> > been used.
> >
> > The semantic patch that fixes this problem is as follows:
> > (http://coccinelle.lip6.fr/)
> >
> > // <smpl>
> > @@
> > identifier x;
> > @@
> > - LIST_HEAD(x);
> > ... when != x
> > // </smpl>
> >
> > Fixes: 26f1fe858f274 ("xfs: reduce lock hold times in buffer writeback")
> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> Looks ok; are you planning to push this whole series directly to Linus
> or do you want me to take the two xfs patches through?
Please take them. Thanks.
julia
>
> Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> --D
>
> >
> > ---
> > Successfully 0-day tested on 151 configurations.
> >
> > fs/xfs/xfs_buf.c | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> > index b21ea2ba768d..eedc5e0156ff 100644
> > --- a/fs/xfs/xfs_buf.c
> > +++ b/fs/xfs/xfs_buf.c
> > @@ -1992,7 +1992,6 @@ xfs_buf_delwri_submit_buffers(
> > struct list_head *wait_list)
> > {
> > struct xfs_buf *bp, *n;
> > - LIST_HEAD (submit_list);
> > int pinned = 0;
> > struct blk_plug plug;
> >
> >
>