K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2015-07-28T09:09:01.734666Z
K 7
svn:log
V 180
Merge r271458:
  - Provide a sleepable lock to protect against ioctl() vs ioctl() races.
  - Use the new lock to protect against simultaneous DIOCSTART and/or
    DIOCSTOP ioctls.

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