diff options
Diffstat (limited to 'net/core/devmem.h')
| -rw-r--r-- | net/core/devmem.h | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/net/core/devmem.h b/net/core/devmem.h index 0b43a648cd2e..1c5c18581fcb 100644 --- a/net/core/devmem.h +++ b/net/core/devmem.h @@ -41,7 +41,7 @@ struct net_devmem_dmabuf_binding { * retransmits) hold a reference to the binding until the skb holding * them is freed. */ - refcount_t ref; + struct percpu_ref ref; /* The list of bindings currently active. Used for netlink to notify us * of the user dropping the bind. @@ -125,17 +125,13 @@ static inline unsigned long net_iov_virtual_addr(const struct net_iov *niov) static inline bool net_devmem_dmabuf_binding_get(struct net_devmem_dmabuf_binding *binding) { - return refcount_inc_not_zero(&binding->ref); + return percpu_ref_tryget(&binding->ref); } static inline void net_devmem_dmabuf_binding_put(struct net_devmem_dmabuf_binding *binding) { - if (!refcount_dec_and_test(&binding->ref)) - return; - - INIT_WORK(&binding->unbind_w, __net_devmem_dmabuf_binding_free); - schedule_work(&binding->unbind_w); + percpu_ref_put(&binding->ref); } void net_devmem_get_net_iov(struct net_iov *niov); @@ -145,7 +141,7 @@ struct net_iov * net_devmem_alloc_dmabuf(struct net_devmem_dmabuf_binding *binding); void net_devmem_free_dmabuf(struct net_iov *ppiov); -bool net_is_devmem_iov(struct net_iov *niov); + struct net_devmem_dmabuf_binding * net_devmem_get_binding(struct sock *sk, unsigned int dmabuf_id); struct net_iov * @@ -218,11 +214,6 @@ static inline u32 net_devmem_iov_binding_id(const struct net_iov *niov) return 0; } -static inline bool net_is_devmem_iov(struct net_iov *niov) -{ - return false; -} - static inline struct net_devmem_dmabuf_binding * net_devmem_get_binding(struct sock *sk, unsigned int dmabuf_id) { |