git: sys/vfs/hammer: Check root voume# is 0 on mount(2)

[Tomohiro Kusumi]

commit ed84682cd619911937e48277b48ba140efca43ea
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Sat Sep 30 14:17:32 2017 +0300

    sys/vfs/hammer: Check root voume# is 0 on mount(2)
    
    We could check this in addition to the existing conditional to
    know the volume is the root volume. /sbin/hammer and /sbin/mount_hammer
    do this, so why not.
    
    If failed here, the volume which has just been inserted to the rbtree
    (and other volumes already inserted) are going to be removed by
    hammer_free_hmp().

Summary of changes:
 sys/vfs/hammer/hammer_ondisk.c | 6 ++++++
 1 file changed, 6 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ed84682cd619911937e48277b48ba140efca43ea


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