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authorKent Overstreet <koverstreet@google.com>2012-12-27 22:21:58 -0800
committerKent Overstreet <koverstreet@google.com>2013-03-23 15:53:52 -0700
commitea6749c705d9e629ed03c7336cc929fc6014b834 (patch)
treeba269cc328fb1a9ed60fe866b55cee557cf24df4 /kernel/lockdep.c
parent9ca8f8e51003a51382cb4216e9029ee33ccf6c46 (diff)
downloadop-kernel-dev-ea6749c705d9e629ed03c7336cc929fc6014b834.zip
op-kernel-dev-ea6749c705d9e629ed03c7336cc929fc6014b834.tar.gz
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.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 259db20..60248a7 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,
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