[Drbd-dev] [PATCH 2/4] lru_cache: remove compiled out code

Christoph Böhmwalder christoph.boehmwalder at linbit.com
Tue Nov 22 14:42:59 CET 2022


Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder at linbit.com>
---
 lib/lru_cache.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/lib/lru_cache.c b/lib/lru_cache.c
index fec899386238..5dd5e4c00a23 100644
--- a/lib/lru_cache.c
+++ b/lib/lru_cache.c
@@ -60,17 +60,6 @@ int lc_try_lock(struct lru_cache *lc)
 	} while (unlikely (val == LC_PARANOIA));
 	/* Spin until no-one is inside a PARANOIA_ENTRY()/RETURN() section. */
 	return 0 == val;
-#if 0
-	/* Alternative approach, spin in case someone enters or leaves a
-	 * PARANOIA_ENTRY()/RETURN() section. */
-	unsigned long old, new, val;
-	do {
-		old = lc->flags & LC_PARANOIA;
-		new = old | LC_LOCKED;
-		val = cmpxchg(&lc->flags, old, new);
-	} while (unlikely (val == (old ^ LC_PARANOIA)));
-	return old == val;
-#endif
 }
 
 /**
-- 
2.38.1



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