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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2022-08-27 15:00:59 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:39 -0400 |
| commit | f5178b34b9f1b53d2a97a2a210d3c284966428e4 (patch) | |
| tree | e93234a184b27646a8bde72dc3013dfb8216bd9b | |
| parent | 674cfc26240b7807f078a23a4f04681ccae49b02 (diff) | |
| download | lwn-f5178b34b9f1b53d2a97a2a210d3c284966428e4.tar.gz lwn-f5178b34b9f1b53d2a97a2a210d3c284966428e4.zip | |
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 <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/six.c | 28 | ||||
| -rw-r--r-- | fs/bcachefs/six.h | 1 |
2 files changed, 0 insertions, 29 deletions
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)); diff --git a/fs/bcachefs/six.h b/fs/bcachefs/six.h index 59d796cfde43..6c9ac82d146d 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 *); |