locking: Add rwsem_assert_held() and rwsem_assert_held_write()
Modelled after lockdep_assert_held() and lockdep_assert_held_write(), but are always active, even when lockdep is disabled. Of course, they don't test that _this_ thread is the owner, but it's sufficient to catch many bugs and doesn't incur the same performance penalty as lockdep. Acked-by:"Peter Zijlstra (Intel)" <peterz@infradead.org> Acked-by:
Waiman Long <longman@redhat.com> Acked-by:
"Darrick J. Wong" <djwong@kernel.org> Reviewed-by:
Dave Chinner <dchinner@redhat.com> Signed-off-by:
"Matthew Wilcox (Oracle)" <willy@infradead.org> Signed-off-by:
Chandan Babu R <chandanbabu@kernel.org>
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