git: sys/vfs/hammer: Fix error message when volumes are already mounted

[Tomohiro Kusumi]

commit 9d756529af421a4da46c2bc1340bde2c1d535602
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Wed Sep 16 07:10:16 2015 +0900

    sys/vfs/hammer: Fix error message when volumes are already mounted
    
    It should show volumes are mounted instead of "No root volume"
    when the volumes are hammer volumes and failed with EBUSY.
    
      # mount_hammer /dev/da1:/dev/da2:/dev/da3 /HAMMER
      # mount_hammer /dev/da1:/dev/da2:/dev/da3 /HAMMER
      mount_hammer: Unknown error: Device busy
      # dmesg | tail -1
      hammer_mount: The volumes are probably mounted

Summary of changes:
 sys/vfs/hammer/hammer_vfsops.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/9d756529af421a4da46c2bc1340bde2c1d535602


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