Re: [Patch 2/3] sysctl: add proc_do_large_bitmap

Octavian Purdila
2010-04-09T12:35:41Z

On Friday 09 April 2010 13:33:29 you wrote:
> On Fri, Apr 9, 2010 at 6:11 PM, Amerigo Wang <amwang@redhat.com> wrote:
> > From: Octavian Purdila <opurdila@ixiacom.com>
> >
> > The new function can be used to read/write large bitmaps via /proc. A
> > comma separated range format is used for compact output and input
> > (e.g. 1,3-4,10-10).
> >
> > Writing into the file will first reset the bitmap then update it
> > based on the given input.
>
> We have bitmap_scnprintf() and bitmap_parse_user(), why invent a new suite?
>

A decimal comma separated ranges seems the best option for this feature, and
unfortunately both of the above functions only support hexadecimal and no
ranges.