tree aaede8d6c91398b4052431809adea0c00f263937
parent 384cc2f9688994dfd505011ba3b08e0a702030b0
author Thomas Hellstrom <thellstrom@vmware.com> 1353413808 +0000
committer Dave Airlie <airlied@redhat.com> 1354091766 +1000

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>