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[82.218.28.181]) by smtp.gmail.com with ESMTPSA id p6-20020a1c5446000000b003b47e75b401sm21437729wmi.37.2022.11.22.05.43.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Nov 2022 05:43:12 -0800 (PST) From: =?utf-8?q?Christoph_B=C3=B6hmwalder?= To: Jens Axboe Cc: drbd-dev@lists.linbit.com, linux-kernel@vger.kernel.org, Lars Ellenberg , Philipp Reisner , linux-block@vger.kernel.org, =?utf-8?q?Christoph_B=C3=B6hmwalder?= Subject: [PATCH 2/4] lru_cache: remove compiled out code Date: Tue, 22 Nov 2022 14:42:59 +0100 Message-Id: <20221122134301.69258-3-christoph.boehmwalder@linbit.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221122134301.69258-1-christoph.boehmwalder@linbit.com> References: <20221122134301.69258-1-christoph.boehmwalder@linbit.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750204189676297177?= X-GMAIL-MSGID: =?utf-8?q?1750204189676297177?= Signed-off-by: Christoph Böhmwalder --- 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 } /**