Re: [Xen-devel] [OSSTEST PATCH 18/26] LVM: Break out lv_create

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-10-12 at 07:42 +0000, Hu, Robert wrote:
> > -----Original Message-----
> > From: Ian Jackson [mailto:ian.jackson@xxxxxxxxxxxxx]
> > Sent: Saturday, September 26, 2015 3:15 AM
> > To: xen-devel@xxxxxxxxxxxxxxxxxxxx
> > Cc: Hu, Robert <robert.hu@xxxxxxxxx>; Ian Campbell
> > <ian.campbell@xxxxxxxxxx>; Ian Jackson <ian.jackson@xxxxxxxxxxxxx>; Ian
> > Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> > Subject: [OSSTEST PATCH 18/26] LVM: Break out lv_create
> > 
> > We are going to want to reuse this.
> > 
> > Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> > ---
> > v14: New patch
> > ---
> >  Osstest/TestSupport.pm |   15 +++++++++++----
> >  1 file changed, 11 insertions(+), 4 deletions(-)
> > 
> > diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
> > index ad017a4..2d1db5d 100644
> > --- a/Osstest/TestSupport.pm
> > +++ b/Osstest/TestSupport.pm
> > @@ -62,7 +62,7 @@ BEGIN {
> >                        target_install_packages
> > target_install_packages_norec
> >                        target_jobdir target_extract_jobdistpath_subdir
> >                        target_extract_jobdistpath
> > -                      lv_dev_mapper target_guest_lv_name
> > +                      lv_create lv_dev_mapper target_guest_lv_name
> 'target_guest_lv_name' seems lacking in my work directory. Would you
> double check if it is in production tree? I checked, seems not.

It was dropped from the production version over the weekend due to my patch
from [0] landing.

The previous production was 24d79ce9cbde907c7907b3d24bd96d9642953d40, so if
you are unable to resolve the conflict yourself this might be a better
baseline until Ian can rebase.


Ian.

[0]
http://lists.xen.org/archives/html/xen-devel/2015-10/msg00596.html


> > 
> >                        poll_loop tcpconnect await_tcp
> >                        contents_make_cpio
> > file_simple_write_contents
> > @@ -702,6 +702,15 @@ sub poll_loop ($$$&) {
> >      logm("$what: ok. (${waited}s)");
> >  }
> > 
> > +sub lv_create ($$$) {
> > +    my ($ho, $vg, $lv, $mb) = @_;
> > +    my $lvdev = "/dev/$lv/$vg";
> > +    target_cmd_root($ho, "lvremove -f $lvdev ||:");
> > +    target_cmd_root($ho, "lvcreate -L ${mb}M -n $lv $vg");
> > +    target_cmd_root($ho, "dd if=/dev/zero of=$lvdev count=10");
> > +    return $lvdev;
> > +}
> > +
> >  sub lv_dev_mapper ($$) {
> >      my ($vg,$lv) = @_;
> >      $vg =~ s/-/--/g;
> > @@ -1685,9 +1694,7 @@ sub prepareguest ($$$$$$) {
> > 
> >  sub prepareguest_part_lvmdisk ($$$) {
> >      my ($ho, $gho, $disk_mb) = @_;
> > -    target_cmd_root($ho, "lvremove -f $gho->{Lvdev} ||:");
> > -    target_cmd_root($ho, "lvcreate -L ${disk_mb}M -n $gho->{Lv}
> > $gho->{Vg}");
> > -    target_cmd_root($ho, "dd if=/dev/zero of=$gho->{Lvdev} count=10");
> > +    lvm_lv_create($ho, $gho->{Vg}, $gho->{Lv}, $disk_mb);
> >  }
> > 
> >  sub make_vhd ($$$) {
> > --
> > 1.7.10.4
> 

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