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| author | Kent Overstreet <koverstreet@google.com> | 2012-12-27 22:21:58 -0800 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 15:53:52 -0700 |
| commit | ea6749c705d9e629ed03c7336cc929fc6014b834 (patch) | |
| tree | ba269cc328fb1a9ed60fe866b55cee557cf24df4 /kernel/lockdep.c | |
| parent | 9ca8f8e51003a51382cb4216e9029ee33ccf6c46 (diff) | |
| download | lwn-ea6749c705d9e629ed03c7336cc929fc6014b834.tar.gz lwn-ea6749c705d9e629ed03c7336cc929fc6014b834.zip | |
Export __lockdep_no_validate__
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>
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 259db207b5d9..60248a78bec0 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -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, |