[libvirt] [PATCH] nodedev: Add new module node_device_util

[Erik Skultety]

On Fri, Nov 02, 2018 at 03:30:56PM +0100, Michal Privoznik wrote:
> On 11/01/2018 04:50 PM, Erik Skultety wrote:
> > There's a lot of stuff going on in src/conf/nodedev_conf which not
> > always has to do anything with config, so even though we're trying,
> > we're not really consistent in putting only parser/formatter related
> > stuff here like we do for domains. So, start the cleanup simply by adding
> > a new module to the nodedev driver and put a few helper APIs which want
> > to open a secondary driver connection in there (similar to storage_util
> > module).
> >
> > Signed-off-by: Erik Skultety <eskultet at redhat.com>
> > ---
> >
> > I verified the build with debian 9, centos 7, fedora 28, rawhide, and freebsd
> > 11
> >
> >  src/conf/Makefile.inc.am             |   1 +
> >  src/conf/node_device_conf.c          | 199 -----------------------
> >  src/conf/node_device_conf.h          |  11 --
> >  src/conf/virstorageobj.c             |   1 +
> >  src/libvirt_private.syms             |   8 +-
> >  src/node_device/Makefile.inc.am      |  17 +-
> >  src/node_device/node_device_driver.c |   1 +
> >  src/node_device/node_device_util.c   | 229 +++++++++++++++++++++++++++
> >  src/node_device/node_device_util.h   |  35 ++++
> >  src/storage/Makefile.inc.am          |   1 +
> >  src/storage/storage_backend_scsi.c   |   1 +
> >  11 files changed, 290 insertions(+), 214 deletions(-)
> >  create mode 100644 src/node_device/node_device_util.c
> >  create mode 100644 src/node_device/node_device_util.h
> >
> > diff --git a/src/conf/Makefile.inc.am b/src/conf/Makefile.inc.am
> > index af23810640..7cb6c29d70 100644
> > --- a/src/conf/Makefile.inc.am
> > +++ b/src/conf/Makefile.inc.am
> > @@ -163,6 +163,7 @@ libvirt_la_BUILT_LIBADD += libvirt_conf.la
> >  libvirt_conf_la_SOURCES = $(CONF_SOURCES)
> >  libvirt_conf_la_CFLAGS = \
> >  	-I$(srcdir)/conf \
> > +	-I$(srcdir)/node_device \
>
> This doesn't feel right. The conf parser/formatter should be driver
> agnostic.
>
> I see two options. If you want to clean up src/conf/node_device_conf.c
> either you'll put node_device_util.c into src/conf/ right next to

Yep, I pulled it completely apart again only to confirm that we have to go with
^this suggestion, I'll send a v2 in a minute.

Erik

> node_device_conf.c or you move it into src/util/ because conf module can
> use util.
>
> The rest looks good.
>
> Michal
>
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