mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 04:18:39 +08:00
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>
This commit is contained in:
parent
f2d03d8961
commit
9933438430
@ -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
|
||||
}
|
||||
|
||||
/**
|
||||
|
Loading…
Reference in New Issue
Block a user