[Libguestfs] [PATCH] New API: part_get_part_type for showing partition type

[Richard W.M. Jones]

On Tue, Mar 24, 2015 at 09:19:06AM +0000, Chen, Hanxiao wrote:
> 
> 
> > -----Original Message-----
> > From: libguestfs-bounces at redhat.com [mailto:libguestfs-bounces at redhat.com] On
> > Behalf Of Pino Toscano
> > Sent: Tuesday, March 24, 2015 4:44 PM
> > To: libguestfs at redhat.com
> > Subject: Re: [Libguestfs] [PATCH] New API: part_get_part_type for showing partition
> > type
> > 
> > On Tuesday 24 March 2015 05:25:51 Chen, Hanxiao wrote:
> > >
> > > > -----Original Message-----
> > > > From: Richard W.M. Jones [mailto:rjones at redhat.com]
> > > > Sent: Monday, March 23, 2015 9:29 PM
> > > > To: Chen, Hanxiao/陈 晗霄
> > > > Cc: libguestfs at redhat.com
> > > > Subject: Re: [Libguestfs] [PATCH] New API: part_get_part_type for showing
> > partition
> > > > type
> > > >
> > > > On Tue, Mar 17, 2015 at 02:45:46AM -0400, Chen Hanxiao wrote:
> > > > > This patch will add support for getting partition type
> > > > > of a partiton numbered device.
> > > > >
> > > > > Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
> > > > > ---
> > > > >  daemon/parted.c      | 112
> > > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > > > >  generator/actions.ml |  18 +++++++++
> > > > >  src/MAX_PROC_NR      |   2 +-
> > > > >  3 files changed, 131 insertions(+), 1 deletion(-)
> > > > >
> > > > > diff --git a/daemon/parted.c b/daemon/parted.c
> > > > > index a7bcb99..0ae6e5c 100644
> > > > > --- a/daemon/parted.c
> > > > > +++ b/daemon/parted.c
> > > > > @@ -33,6 +33,10 @@ GUESTFSD_EXT_CMD(str_parted, parted);
> > > > >  GUESTFSD_EXT_CMD(str_sfdisk, sfdisk);
> > > > >  GUESTFSD_EXT_CMD(str_sgdisk, sgdisk);
> > > > >
> > > > > +#ifndef PARTED_NO_M
> > > > > +# define PARTED_NO_M 0
> > > > > +#endif
> > > >
> > > > What does this bit do?
> > >
> > > I want to use print_partition_table(xxx, 0)
> > > but do not want to pass a raw '0'.
> > > Maybe the name is not so clear.
> > > I'll rename it to PARTED_NOT_USE_M in the next version.
> > 
> > Improving the readability of a raw integer is a good thing; however,
> > I'd suggest switching to an enum instead.
> > 
> 
> Hi，
> 
> How about:
> enum {
>   PARTED_INVALID = -1,
>   /* parted do not support -m option */
>   PARTED_OPT_NO_M,
>   PARTED_OPT_M};
> 
> print_partition_table(xxx, PARTED_OPT_NO_M)

Seems good to me.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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