amd64/154226: GEOM label does not change when you modify them

[Vladislav V. Prodan]

>Number:         154226
>Category:       amd64
>Synopsis:       GEOM label does not change when you modify them
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jan 22 21:00:27 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Vladislav V. Prodan
>Release:        9.0-CURRENT  amd64
>Organization:
>Environment:
FreeBSD mary-teresa.ZZZ 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Sun Aug 29 19:00:25 EEST 2010 vlad11 at mary-teresa.ZZZ:/usr/obj/usr/src/sys/mary-teresa.24 amd64
>Description:

I want to change the GEOM label, but I can not: (

# ls /dev/gpt
disk6
# sync
# gpart modify -i 1 -l disk5 ad18
ad18p1 modified
# sync
# ls /dev/gpt
disk6
# gpart list ad18
Geom name: ad18
fwheads: 16
fwsectors: 63
last: 1465149134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ad18p1
   Mediasize: 750156339712 (699G)
   Sectorsize: 512
   Mode: r0w0e0
   rawuuid: 562396c8-25ab-11e0-9a58-00e04d7b690c
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk5
   length: 750156339712
   offset: 17408
   type: freebsd-zfs
   index: 1
   end: 1465149134
   start: 34
Consumers:
1. Name: ad18
   Mediasize: 750156374016 (699G)
   Sectorsize: 512
   Mode: r0w0e0

>How-To-Repeat:
gpart modify -i 1 -l disk5 ad18
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: