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Export __lockdep_no_validate__

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Hack, but bcache needs a way around lockdep for locking during garbage
collection - we need to keep multiple btree nodes locked for coalescing
and rw_lock_nested() isn't really sufficient or appropriate here.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@redhat.com>
This commit is contained in:
Kent Overstreet 2012-12-27 22:21:58 -08:00
parent 9ca8f8e510
commit ea6749c705
1 changed files with 1 additions and 0 deletions
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kernel/lockdep.c
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@ -2997,6 +2997,7 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
EXPORT_SYMBOL_GPL(lockdep_init_map);
struct lock_class_key __lockdep_no_validate__;
EXPORT_SYMBOL_GPL(__lockdep_no_validate__);
static int
print_lock_nested_lock_not_held(struct task_struct *curr,