On Fri, Nov 21, 2014 at 2:32 PM, Toralf Förster <toralf.foers...@gmx.de> wrote:
> diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
> index e8ab93c..22390f9 100644
> --- a/arch/um/drivers/ubd_kern.c
> +++ b/arch/um/drivers/ubd_kern.c
> @@ -508,19 +508,25 @@ static inline int ubd_file_size(struct ubd *ubd_dev, 
> __u64 *size_out)
>         int sector_size;
>         int bitmap_offset;
>
> +printk(KERN_INFO "ubd_file_size 0");
>         if (ubd_dev->file && ubd_dev->cow.file) {
>                 file = ubd_dev->cow.file;
> +printk(KERN_INFO "ubd_file_size 1");
>
>                 goto out;
>         }
>
>         fd = os_open_file(ubd_dev->file, of_read(OPENFLAGS()), 0);
> +printk(KERN_INFO "ubd_file_size 2");
>         if (fd < 0)
>                 return fd;
> +printk(KERN_INFO "ubd_file_size 3");

Not really on-topic, but it's faster to add lines like

    pr_info("%s:%u\n", __func__, __LINE__);

They're identical (i.e. copy-'n-paste), but give unique output depending
on context.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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