From f5178b34b9f1b53d2a97a2a210d3c284966428e4 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sat, 27 Aug 2022 15:00:59 -0400 Subject: [PATCH] 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 ---------------------------- fs/bcachefs/six.h | 1 - 2 files changed, 29 deletions(-) diff --git a/fs/bcachefs/six.c b/fs/bcachefs/six.c index 464b1313d358c..0ab72f59d23b2 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)); diff --git a/fs/bcachefs/six.h b/fs/bcachefs/six.h index 59d796cfde436..6c9ac82d146d0 100644 --- a/fs/bcachefs/six.h +++ b/fs/bcachefs/six.h @@ -201,7 +201,6 @@ void six_lock_increment(struct six_lock *, enum six_lock_type); void six_lock_wakeup_all(struct six_lock *); -void six_lock_pcpu_free_rcu(struct six_lock *); void six_lock_pcpu_free(struct six_lock *); void six_lock_pcpu_alloc(struct six_lock *); -- 2.30.2