git: kernel - Fix races in kern_dmsg.c (hammer2)

[Matthew Dillon]

commit 93c84330bb658b3a1981f2c8c4e9b8fe5da8328c
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Sep 19 17:29:42 2017 -0700

    kernel - Fix races in kern_dmsg.c (hammer2)
    
    * Fix kdmsg races during shutdown which can assert or panic
    
    * Fixes numerous hammer2 assertions or panics related to unmounting,
      including mount failures due to missing labels.

Summary of changes:
 sys/kern/kern_dmsg.c | 70 +++++++++++++++++++++++++++-------------------------
 1 file changed, 37 insertions(+), 33 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/93c84330bb658b3a1981f2c8c4e9b8fe5da8328c


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