Hi George,
On Mon, May 06, 2013 at 03:28:53PM -0700, George Mitchell wrote:
> [root@localhost ghmitch]# umount LABEL=MAGEIA3BTR-BOOT
>
> umount: LABEL=MAGEIA3BTR-BOOT: not found
umount --version ?
It works for me (tested with util-linux 2.22 and 2.23):
# mkfs.btrfs -L MAGEIA3BTR /dev/sdb1
# mkfs.btrfs -L MAGEIA3BTR-FOO /dev/sdb2
# mount LABEL=MAGEIA3BTR /mnt/test
# mount LABEL=MAGEIA3BTR-FOO /mnt/test
# findmnt LABEL=MAGEIA3BTR
TARGET SOURCE FSTYPE OPTIONS
/mnt/test /dev/sdb1 btrfs rw,relatime,ssd,space_cache
# findmnt LABEL=MAGEIA3BTR-FOO
TARGET SOURCE FSTYPE OPTIONS
/mnt/test2 /dev/sdb2 btrfs rw,relatime,ssd,space_cache
# umount LABEL=MAGEIA3BTR
# umount LABEL=MAGEIA3BTR-FOO
# lsblk --fs /dev/sdb
NAME FSTYPE LABEL UUID MOUNTPOINT
sdb
├─sdb1 btrfs MAGEIA3BTR 6dcc3293-ce27-474f-ab31-dd7a8e5bb2da
└─sdb2 btrfs MAGEIA3BTR-FOO f3bb2d57-8b46-40a0-ae76-50d78268d6d9
It would be nice to have a simple reproducible scenario rather than a
lot of mount -l outputs and some egrep tricks :-)
You can also try
LIBMOUNT_DEBUG=0xffff umount LABEL=MAGEIA3BTR-BOOT
to see more details.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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