From: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Date: Tue, 22 Nov 2022 13:42:59 +0000 (+0100)
Subject: lru_cache: remove compiled out code
X-Git-Tag: v6.6.17~5962^2~61
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9933438430b3b787f96bb434b4490b0dda59c9b3;p=platform%2Fkernel%2Flinux-rpi.git

lru_cache: remove compiled out code

Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20221122134301.69258-3-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/lib/lru_cache.c b/lib/lru_cache.c
index fec8993..5dd5e4c0 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
 }
 
 /**