Thomas Hellstrom a82b8db02f kref: Add kref_get_unless_zero documentation ...

Document how kref_get_unless_zero should be used and how it helps
solve a typical kref / locking problem.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2012-11-28 18:36:06 +10:00

8.4 KiB

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