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SubjectRe: misc nits Re: [PATCH 1/2] printk: add lockless buffer
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On Mon, 2020-03-02 at 11:38 +0100, John Ogness wrote:
> On 2020-02-21, Petr Mladek <pmladek@suse.com> wrote:
> > > diff --git a/kernel/printk/printk_ringbuffer.c b/kernel/printk/printk_ringbuffer.c
[]
> > > +static struct prb_data_block *to_block(struct prb_data_ring *data_ring,
> > > + unsigned long begin_lpos)
> > > +{
> > > + char *data = &data_ring->data[DATA_INDEX(data_ring, begin_lpos)];
> > > +
> > > + return (struct prb_data_block *)data;
> >
> > Nit: Please, use "blk" instead of "data". I was slightly confused
> > because "data" is also one member of struct prb_data_block.
>
> OK.

trivia:

Perhaps use void * instead of char * and a direct return
and avoid the naming altogether.

static struct prb_data_block *to_block(struct prb_data_ring *data_ring,
unsigned long begin_lpos)
{
return (void *)&data_ring->data[DATA_INDEX(data_ring, begin_lpos)];
}

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