Re: [PATCH] bpf: convert to DEFINE_SHOW_ATTRIBUTE

From: Frank Lee
Date: Wed Dec 12 2018 - 11:41:27 EST


On Tue, Dec 11, 2018 at 2:22 AM Jakub Kicinski
<jakub.kicinski@xxxxxxxxxxxxx> wrote:
>
> On Mon, 10 Dec 2018 11:03:27 -0500, Yangtao Li wrote:
> > Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
> >
> > Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
>
> Acked-by: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
>
> Please post v2 with the subject prefix set to "netdevsim:" rather than
> "bpf:".
The newer has been sent.

Thanks,
Yangtao
>
> > drivers/net/netdevsim/bpf.c | 16 ++--------------
> > 1 file changed, 2 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c
> > index cb3518474f0e..14b4d9774708 100644
> > --- a/drivers/net/netdevsim/bpf.c
> > +++ b/drivers/net/netdevsim/bpf.c
> > @@ -48,7 +48,7 @@ struct nsim_bpf_bound_map {
> > struct list_head l;
> > };
> >
> > -static int nsim_debugfs_bpf_string_read(struct seq_file *file, void *data)
> > +static int nsim_bpf_string_show(struct seq_file *file, void *data)
> > {
> > const char **str = file->private;
> >
> > @@ -57,19 +57,7 @@ static int nsim_debugfs_bpf_string_read(struct seq_file *file, void *data)
> >
> > return 0;
> > }
> > -
> > -static int nsim_debugfs_bpf_string_open(struct inode *inode, struct file *f)
> > -{
> > - return single_open(f, nsim_debugfs_bpf_string_read, inode->i_private);
> > -}
> > -
> > -static const struct file_operations nsim_bpf_string_fops = {
> > - .owner = THIS_MODULE,
> > - .open = nsim_debugfs_bpf_string_open,
> > - .release = single_release,
> > - .read = seq_read,
> > - .llseek = seq_lseek
> > -};
> > +DEFINE_SHOW_ATTRIBUTE(nsim_bpf_string);
> >
> > static int
> > nsim_bpf_verify_insn(struct bpf_verifier_env *env, int insn_idx, int prev_insn)
>