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author | 2022-11-22 14:42:59 +0100 | |
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committer | 2022-11-22 19:38:39 -0700 | |
commit | 9933438430b3b787f96bb434b4490b0dda59c9b3 (patch) | |
tree | 12feab706bc4745bd6ea2376f81f038e21d8333a /lib | |
parent | lru_cache: use atomic operations when accessing lc->flags, always (diff) | |
download | linux-9933438430b3b787f96bb434b4490b0dda59c9b3.tar.gz linux-9933438430b3b787f96bb434b4490b0dda59c9b3.tar.bz2 linux-9933438430b3b787f96bb434b4490b0dda59c9b3.zip |
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>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/lru_cache.c | 11 |
1 files changed, 0 insertions, 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 } /** |