From f5178b34b9f1b53d2a97a2a210d3c284966428e4 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sat, 27 Aug 2022 15:00:59 -0400 Subject: six locks: Delete six_lock_pcpu_free_rcu() Didn't have any users, and wasn't a good idea to begin with - delete it. Signed-off-by: Kent Overstreet --- fs/bcachefs/six.c | 28 ---------------------------- 1 file changed, 28 deletions(-) (limited to 'fs/bcachefs/six.c') diff --git a/fs/bcachefs/six.c b/fs/bcachefs/six.c index 464b1313d358..0ab72f59d23b 100644 --- a/fs/bcachefs/six.c +++ b/fs/bcachefs/six.c @@ -712,34 +712,6 @@ void six_lock_wakeup_all(struct six_lock *lock) } EXPORT_SYMBOL_GPL(six_lock_wakeup_all); -struct free_pcpu_rcu { - struct rcu_head rcu; - void __percpu *p; -}; - -static void free_pcpu_rcu_fn(struct rcu_head *_rcu) -{ - struct free_pcpu_rcu *rcu = - container_of(_rcu, struct free_pcpu_rcu, rcu); - - free_percpu(rcu->p); - kfree(rcu); -} - -void six_lock_pcpu_free_rcu(struct six_lock *lock) -{ - struct free_pcpu_rcu *rcu = kzalloc(sizeof(*rcu), GFP_KERNEL); - - if (!rcu) - return; - - rcu->p = lock->readers; - lock->readers = NULL; - - call_rcu(&rcu->rcu, free_pcpu_rcu_fn); -} -EXPORT_SYMBOL_GPL(six_lock_pcpu_free_rcu); - void six_lock_pcpu_free(struct six_lock *lock) { BUG_ON(lock->readers && pcpu_read_count(lock)); -- cgit v1.2.3