[Libguestfs] [PATCH] resize: add sector size in debug_partition

Chen, Hanxiao chenhanxiao at cn.fujitsu.com
Mon May 18 10:21:18 UTC 2015



> -----Original Message-----
> From: Richard W.M. Jones [mailto:rjones at redhat.com]
> Sent: Monday, May 18, 2015 5:51 PM
> To: Chen, Hanxiao/陈 晗霄
> Cc: libguestfs at redhat.com
> Subject: Re: [Libguestfs] [PATCH] resize: add sector size in debug_partition
> 
> On Mon, May 18, 2015 at 04:17:28AM -0400, Chen Hanxiao wrote:
> > This patch will add fields of sector size for:
> >   - partition sector data size
> >   - target partition sector data size
> >
> > Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
> > ---
> >  resize/resize.ml | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> >
> > diff --git a/resize/resize.ml b/resize/resize.ml
> > index 4e58e84..21bba63 100644
> > --- a/resize/resize.ml
> > +++ b/resize/resize.ml
> > @@ -81,10 +81,11 @@ let rec debug_partition ?(sectsize=512L) p =
> >    printf "\tpartition data: %ld %Ld-%Ld (%Ld bytes)\n"
> >      p.p_part.G.part_num p.p_part.G.part_start p.p_part.G.part_end
> >      p.p_part.G.part_size;
> > -  printf "\tpartition sector data: %Ld-%Ld\n"
> > -    (p.p_part.G.part_start /^ sectsize) (p.p_part.G.part_end /^ sectsize);
> > -  printf "\ttarget partition sector data: %Ld-%Ld \n"
> > -    p.p_target_start p.p_target_end;
> > +  printf "\tpartition sector data: %Ld-%Ld (%Ld sectors)\n"
> > +    (p.p_part.G.part_start /^ sectsize) (p.p_part.G.part_end /^ sectsize)
> > +    ((p.p_part.G.part_end -^ p.p_part.G.part_start) /^ sectsize +^ 1L);
> 
> Although I think this gives the right answer, I think it's better
> to use:
> 
>   ((p.p_part.G.part_end +^ 1L -^ p.p_part.G.part_start) /^ sectsize)
> 
> > +  printf "\ttarget partition sector data: %Ld-%Ld (%Ld sectors)\n"
> > +    p.p_target_start p.p_target_end (p.p_target_end -^ p.p_target_start +^ 1L);
> 
> and the same here.
> 
> With those changes, ACK.
> 

Thanks for the comments, v2 will fix this.

Regards,
- Chen




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