diff options
61 files changed, 223 insertions, 209 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index b04e103350fb..96aa7e6cf214 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1034,11 +1034,11 @@ static bool vxlan_group_used(struct vxlan_net *vn, struct vxlan_dev *dev) /* The vxlan_sock is only used by dev, leaving group has * no effect on other vxlan devices. */ - if (family == AF_INET && sock4 && atomic_read(&sock4->refcnt) == 1) + if (family == AF_INET && sock4 && refcount_read(&sock4->refcnt) == 1) return false; #if IS_ENABLED(CONFIG_IPV6) sock6 = rtnl_dereference(dev->vn6_sock); - if (family == AF_INET6 && sock6 && atomic_read(&sock6->refcnt) == 1) + if (family == AF_INET6 && sock6 && refcount_read(&sock6->refcnt) == 1) return false; #endif @@ -1075,7 +1075,7 @@ static bool __vxlan_sock_release_prep(struct vxlan_sock *vs) if (!vs) return false; - if (!atomic_dec_and_test(&vs->refcnt)) + if (!refcount_dec_and_test(&vs->refcnt)) return false; vn = net_generic(sock_net(vs->sock->sk), vxlan_net_id); @@ -2825,7 +2825,7 @@ static struct vxlan_sock *vxlan_socket_create(struct net *net, bool ipv6, } vs->sock = sock; - atomic_set(&vs->refcnt, 1); + refcount_set(&vs->refcnt, 1); vs->flags = (flags & VXLAN_F_RCV_FLAGS); spin_lock(&vn->sock_lock); @@ -2860,7 +2860,7 @@ static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6) spin_lock(&vn->sock_lock); vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET, vxlan->cfg.dst_port, vxlan->cfg.flags); - if (vs && !atomic_add_unless(&vs->refcnt, 1, 0)) { + if (vs && !refcount_inc_not_zero(&vs->refcnt)) { spin_unlock(&vn->sock_lock); return -EBUSY; } diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index 4d97a89da066..0ec9bdb1cc9f 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -11,6 +11,7 @@ #include <linux/uio.h> #include <net/sock.h> #include <linux/atomic.h> +#include <linux/refcount.h> #include <uapi/linux/atmdev.h> #ifdef CONFIG_PROC_FS @@ -158,7 +159,7 @@ struct atm_dev { struct k_atm_dev_stats stats; /* statistics */ char signal; /* signal status (ATM_PHY_SIG_*) */ int link_rate; /* link rate (default: OC3) */ - atomic_t refcnt; /* reference count */ + refcount_t refcnt; /* reference count */ spinlock_t lock; /* protect internal members */ #ifdef CONFIG_PROC_FS struct proc_dir_entry *proc_entry; /* proc entry */ @@ -261,13 +262,13 @@ static inline int atm_may_send(struct atm_vcc *vcc,unsigned int size) static inline void atm_dev_hold(struct atm_dev *dev) { - atomic_inc(&dev->refcnt); + refcount_inc(&dev->refcnt); } static inline void atm_dev_put(struct atm_dev *dev) { - if (atomic_dec_and_test(&dev->refcnt)) { + if (refcount_dec_and_test(&dev->refcnt)) { BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags)); if (dev->ops->dev_close) dev->ops->dev_close(dev); diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h index 36eebc451b41..cebdf8745901 100644 --- a/include/linux/sunrpc/auth_gss.h +++ b/include/linux/sunrpc/auth_gss.h @@ -13,6 +13,7 @@ #define _LINUX_SUNRPC_AUTH_GSS_H #ifdef __KERNEL__ +#include <linux/refcount.h> #include <linux/sunrpc/auth.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/gss_api.h> @@ -65,7 +66,7 @@ struct rpc_gss_init_res { * the wire when communicating with a server. */ struct gss_cl_ctx { - atomic_t count; + refcount_t count; enum rpc_gss_proc gc_proc; u32 gc_seq; spinlock_t gc_seq_lock; diff --git a/include/net/ax25.h b/include/net/ax25.h index e602f8177ebf..c4a0cf6f0810 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -11,7 +11,7 @@ #include <linux/timer.h> #include <linux/list.h> #include <linux/slab.h> -#include <linux/atomic.h> +#include <linux/refcount.h> #include <net/neighbour.h> #include <net/sock.h> @@ -158,7 +158,7 @@ enum { typedef struct ax25_uid_assoc { struct hlist_node uid_node; - atomic_t refcount; + refcount_t refcount; kuid_t uid; ax25_address call; } ax25_uid_assoc; @@ -167,11 +167,11 @@ typedef struct ax25_uid_assoc { hlist_for_each_entry(__ax25, list, uid_node) #define ax25_uid_hold(ax25) \ - atomic_inc(&((ax25)->refcount)) + refcount_inc(&((ax25)->refcount)) static inline void ax25_uid_put(ax25_uid_assoc *assoc) { - if (atomic_dec_and_test(&assoc->refcount)) { + if (refcount_dec_and_test(&assoc->refcount)) { kfree(assoc); } } @@ -185,7 +185,7 @@ typedef struct { typedef struct ax25_route { struct ax25_route *next; - atomic_t refcount; + refcount_t refcount; ax25_address callsign; struct net_device *dev; ax25_digi *digipeat; @@ -194,14 +194,14 @@ typedef struct ax25_route { static inline void ax25_hold_route(ax25_route *ax25_rt) { - atomic_inc(&ax25_rt->refcount); + refcount_inc(&ax25_rt->refcount); } void __ax25_put_route(ax25_route *ax25_rt); static inline void ax25_put_route(ax25_route *ax25_rt) { - if (atomic_dec_and_test(&ax25_rt->refcount)) + if (refcount_dec_and_test(&ax25_rt->refcount)) __ax25_put_route(ax25_rt); } @@ -244,7 +244,7 @@ typedef struct ax25_cb { unsigned char window; struct timer_list timer, dtimer; struct sock *sk; /* Backlink to socket */ - atomic_t refcount; + refcount_t refcount; } ax25_cb; struct ax25_sock { @@ -266,11 +266,11 @@ static inline struct ax25_cb *sk_to_ax25(const struct sock *sk) hlist_for_each_entry(__ax25, list, ax25_node) #define ax25_cb_hold(__ax25) \ - atomic_inc(&((__ax25)->refcount)) + refcount_inc(&((__ax25)->refcount)) static __inline__ void ax25_cb_put(ax25_cb *ax25) { - if (atomic_dec_and_test(&ax25->refcount)) { + if (refcount_dec_and_test(&ax25->refcount)) { kfree(ax25->digipeat); kfree(ax25); } diff --git a/include/net/calipso.h b/include/net/calipso.h index b1b30cd36601..5f95b11a04bf 100644 --- a/include/net/calipso.h +++ b/include/net/calipso.h @@ -38,7 +38,7 @@ #include <linux/skbuff.h> #include <net/netlabel.h> #include <net/request_sock.h> -#include <linux/atomic.h> +#include <linux/refcount.h> #include <asm/unaligned.h> /* known doi values */ @@ -57,7 +57,7 @@ struct calipso_doi { u32 doi; u32 type; - atomic_t refcount; + refcount_t refcount; struct list_head list; struct rcu_head rcu; }; diff --git a/include/net/dn_fib.h b/include/net/dn_fib.h index f2ca135ddcc9..81210a8b8d7c 100644 --- a/include/net/dn_fib.h +++ b/include/net/dn_fib.h @@ -2,6 +2,7 @@ #define _NET_DN_FIB_H #include <linux/netlink.h> +#include <linux/refcount.h> extern const struct nla_policy rtm_dn_policy[]; @@ -28,7 +29,7 @@ struct dn_fib_info { struct dn_fib_info *fib_next; struct dn_fib_info *fib_prev; int fib_treeref; - atomic_t fib_clntref; + refcount_t fib_clntref; int fib_dead; unsigned int fib_flags; int fib_protocol; @@ -130,7 +131,7 @@ void dn_fib_free_info(struct dn_fib_info *fi); static inline void dn_fib_info_put(struct dn_fib_info *fi) { - if (atomic_dec_and_test(&fi->fib_clntref)) + if (refcount_dec_and_test(&fi->fib_clntref)) dn_fib_free_info(fi); } diff --git a/include/net/ipx.h b/include/net/ipx.h index e5cff6811b30..af32b97b5ddd 100644 --- a/include/net/ipx.h +++ b/include/net/ipx.h @@ -14,6 +14,7 @@ #include <linux/ipx.h> #include <linux/list.h> #include <linux/slab.h> +#include <linux/refcount.h> struct ipx_address { __be32 net; @@ -54,7 +55,7 @@ struct ipx_interface { /* IPX address */ __be32 if_netnum; unsigned char if_node[IPX_NODE_LEN]; - atomic_t refcnt; + refcount_t refcnt; /* physical device info */ struct net_device *if_dev; @@ -80,7 +81,7 @@ struct ipx_route { unsigned char ir_routed; unsigned char ir_router_node[IPX_NODE_LEN]; struct list_head node; /* node in ipx_routes list */ - atomic_t refcnt; + refcount_t refcnt; }; struct ipx_cb { @@ -139,7 +140,7 @@ const char *ipx_device_name(struct ipx_interface *intrfc); static __inline__ void ipxitf_hold(struct ipx_interface *intrfc) { - atomic_inc(&intrfc->refcnt); + refcount_inc(&intrfc->refcnt); } void ipxitf_down(struct ipx_interface *intrfc); @@ -157,18 +158,18 @@ int ipxrtr_ioctl(unsigned int cmd, void __user *arg); static __inline__ void ipxitf_put(struct ipx_interface *intrfc) { - if (atomic_dec_and_test(&intrfc->refcnt)) + if (refcount_dec_and_test(&intrfc->refcnt)) ipxitf_down(intrfc); } static __inline__ void ipxrtr_hold(struct ipx_route *rt) { - atomic_inc(&rt->refcnt); + refcount_inc(&rt->refcnt); } static __inline__ void ipxrtr_put(struct ipx_route *rt) { - if (atomic_dec_and_test(&rt->refcnt)) + if (refcount_dec_and_test(&rt->refcnt)) kfree(rt); } #endif /* _NET_INET_IPX_H_ */ diff --git a/include/net/lapb.h b/include/net/lapb.h index 9510f8725f03..85e773742f4e 100644 --- a/include/net/lapb.h +++ b/include/net/lapb.h @@ -1,6 +1,7 @@ #ifndef _LAPB_H #define _LAPB_H #include <linux/lapb.h> +#include <linux/refcount.h> #define LAPB_HEADER_LEN 20 /* LAPB over Ethernet + a bit more */ @@ -101,7 +102,7 @@ struct lapb_cb { struct lapb_frame frmr_data; unsigned char frmr_type; - atomic_t refcnt; + refcount_t refcnt; }; /* lapb_iface.c */ diff --git a/include/net/llc.h b/include/net/llc.h index e8e61d4fb458..dc35f25eb679 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -55,7 +55,7 @@ struct llc_sap { unsigned char state; unsigned char p_bit; unsigned char f_bit; - atomic_t refcnt; + refcount_t refcnt; int (*rcv_func)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, @@ -113,14 +113,14 @@ struct llc_sap *llc_sap_open(unsigned char lsap, struct net_device *orig_dev)); static inline void llc_sap_hold(struct llc_sap *sap) { - atomic_inc(&sap->refcnt); + refcount_inc(&sap->refcnt); } void llc_sap_close(struct llc_sap *sap); static inline void llc_sap_put(struct llc_sap *sap) { - if (atomic_dec_and_test(&sap->refcnt)) + if (refcount_dec_and_test(&sap->refcnt)) llc_sap_close(sap); } diff --git a/include/net/netrom.h b/include/net/netrom.h index 110350aca3df..443a4ffca7aa 100644 --- a/include/net/netrom.h +++ b/include/net/netrom.h @@ -11,6 +11,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <net/sock.h> +#include <linux/refcount.h> #define NR_NETWORK_LEN 15 #define NR_TRANSPORT_LEN 5 @@ -93,7 +94,7 @@ struct nr_neigh { unsigned short count; unsigned int number; unsigned char failed; - atomic_t refcount; + refcount_t refcount; }; struct nr_route { @@ -109,7 +110,7 @@ struct nr_node { unsigned char which; unsigned char count; struct nr_route routes[3]; - atomic_t refcount; + refcount_t refcount; spinlock_t node_lock; }; @@ -118,21 +119,21 @@ struct nr_node { *********************************************************************/ #define nr_node_hold(__nr_node) \ - atomic_inc(&((__nr_node)->refcount)) + refcount_inc(&((__nr_node)->refcount)) static __inline__ void nr_node_put(struct nr_node *nr_node) { - if (atomic_dec_and_test(&nr_node->refcount)) { + if (refcount_dec_and_test(&nr_node->refcount)) { kfree(nr_node); } } #define nr_neigh_hold(__nr_neigh) \ - atomic_inc(&((__nr_neigh)->refcount)) + refcount_inc(&((__nr_neigh)->refcount)) static __inline__ void nr_neigh_put(struct nr_neigh *nr_neigh) { - if (atomic_dec_and_test(&nr_neigh->refcount)) { + if (refcount_dec_and_test(&nr_neigh->refcount)) { if (nr_neigh->ax25) ax25_cb_put(nr_neigh->ax25); kfree(nr_neigh->digipeat); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 368850194c94..1c123e2b2415 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -9,6 +9,7 @@ #include <linux/percpu.h> #include <linux/dynamic_queue_limits.h> #include <linux/list.h> +#include <linux/refcount.h> #include <net/gen_stats.h> #include <net/rtnetlink.h> @@ -95,7 +96,7 @@ struct Qdisc { struct sk_buff *skb_bad_txq; struct rcu_head rcu_head; int padded; - atomic_t refcnt; + refcount_t refcnt; spinlock_t busylock ____cacheline_aligned_in_smp; }; diff --git a/include/net/sctp/auth.h b/include/net/sctp/auth.h index 171244bd856f..e5c57d0a082d 100644 --- a/include/net/sctp/auth.h +++ b/include/net/sctp/auth.h @@ -31,6 +31,7 @@ #define __sctp_auth_h__ #include <linux/list.h> +#include <linux/refcount.h> struct sctp_endpoint; struct sctp_association; @@ -53,7 +54,7 @@ struct sctp_hmac { * over SCTP-AUTH */ struct sctp_auth_bytes { - atomic_t refcnt; + refcount_t refcnt; __u32 len; __u8 data[]; }; @@ -76,7 +77,7 @@ static inline void sctp_auth_key_hold(struct sctp_auth_bytes *key) if (!key) return; - atomic_inc(&key->refcnt); + refcount_inc(&key->refcnt); } void sctp_auth_key_put(struct sctp_auth_bytes *key); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 07c11fefa8c4..5ab29af8ca8a 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -496,7 +496,7 @@ struct sctp_datamsg { /* Chunks waiting to be submitted to lower layer. */ struct list_head chunks; /* Reference counting. */ - atomic_t refcnt; + refcount_t refcnt; /* When is this message no longer interesting to the peer? */ unsigned long expires_at; /* Did the messenge fail to send? */ @@ -524,7 +524,7 @@ int sctp_chunk_abandoned(struct sctp_chunk *); struct sctp_chunk { struct list_head list; - atomic_t refcnt; + refcount_t refcnt; /* How many times this chunk have been sent, for prsctp RTX policy */ int sent_count; @@ -735,7 +735,7 @@ struct sctp_transport { struct rhlist_head node; /* Reference counting. */ - atomic_t refcnt; + refcount_t refcnt; /* RTO-Pending : A flag used to track if one of the DATA * chunks sent to this address is currently being * used to compute a RTT. If this flag is 0, @@ -1174,7 +1174,7 @@ struct sctp_ep_common { * refcnt - Reference count access to this object. * dead - Do not attempt to use this object. */ - atomic_t refcnt; + refcount_t refcnt; bool dead; /* What socket does this endpoint belong to? */ diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 326e8498b10e..3f430e38ab82 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -183,7 +183,7 @@ struct vxlan_sock { struct hlist_node hlist; struct socket *sock; struct hlist_head vni_list[VNI_HASH_SIZE]; - atomic_t refcnt; + refcount_t refcnt; u32 flags; }; diff --git a/include/net/x25.h b/include/net/x25.h index 6d30a01d281d..2609b57bd459 100644 --- a/include/net/x25.h +++ b/include/net/x25.h @@ -11,6 +11,7 @@ #define _X25_H #include <linux/x25.h> #include <linux/slab.h> +#include <linux/refcount.h> #include <net/sock.h> #define X25_ADDR_LEN 16 @@ -129,7 +130,7 @@ struct x25_route { struct x25_address address; unsigned int sigdigits; struct net_device *dev; - atomic_t refcnt; + refcount_t refcnt; }; struct x25_neigh { @@ -141,7 +142,7 @@ struct x25_neigh { unsigned long t20; struct timer_list t20timer; unsigned long global_facil_mask; - atomic_t refcnt; + refcount_t refcnt; }; struct x25_sock { @@ -242,12 +243,12 @@ void x25_link_free(void); /* x25_neigh.c */ static __inline__ void x25_neigh_hold(struct x25_neigh *nb) { - atomic_inc(&nb->refcnt); + refcount_inc(&nb->refcnt); } static __inline__ void x25_neigh_put(struct x25_neigh *nb) { - if (atomic_dec_and_test(&nb->refcnt)) + if (refcount_dec_and_test(&nb->refcnt)) kfree(nb); } @@ -265,12 +266,12 @@ void x25_route_free(void); static __inline__ void x25_route_hold(struct x25_route *rt) { - atomic_inc(&rt->refcnt); + refcount_inc(&rt->refcnt); } static __inline__ void x25_route_put(struct x25_route *rt) { - if (atomic_dec_and_test(&rt->refcnt)) + if (refcount_dec_and_test(&rt->refcnt)) kfree(rt); } diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 01fa357e9a32..c0916ab18d32 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -13,6 +13,7 @@ #include <linux/mutex.h> #include <linux/audit.h> #include <linux/slab.h> +#include <linux/refcount.h> #include <net/sock.h> #include <net/dst.h> @@ -137,7 +138,7 @@ struct xfrm_state { struct hlist_node bysrc; struct hlist_node byspi; - atomic_t refcnt; + refcount_t refcnt; spinlock_t lock; struct xfrm_id id; @@ -559,7 +560,7 @@ struct xfrm_policy { /* This lock only affects elements except for entry. */ rwlock_t lock; - atomic_t refcnt; + refcount_t refcnt; struct timer_list timer; struct flow_cache_object flo; @@ -815,14 +816,14 @@ static inline void xfrm_audit_state_icvfail(struct xfrm_state *x, static inline void xfrm_pol_hold(struct xfrm_policy *policy) { if (likely(policy != NULL)) - atomic_inc(&policy->refcnt); + refcount_inc(&policy->refcnt); } void xfrm_policy_destroy(struct xfrm_policy *policy); static inline void xfrm_pol_put(struct xfrm_policy *policy) { - if (atomic_dec_and_test(&policy->refcnt)) + if (refcount_dec_and_test(&policy->refcnt)) xfrm_policy_destroy(policy); } @@ -837,18 +838,18 @@ void __xfrm_state_destroy(struct xfrm_state *); static inline void __xfrm_state_put(struct xfrm_state *x) { - atomic_dec(&x->refcnt); + refcount_dec(&x->refcnt); } static inline void xfrm_state_put(struct xfrm_state *x) { - if (atomic_dec_and_test(&x->refcnt)) + if (refcount_dec_and_test(&x->refcnt)) __xfrm_state_destroy(x); } static inline void xfrm_state_hold(struct xfrm_state *x) { - atomic_inc(&x->refcnt); + refcount_inc(&x->refcnt); } static inline bool addr_match(const void *token1, const void *token2, @@ -1029,7 +1030,7 @@ struct xfrm_offload { }; struct sec_path { - atomic_t refcnt; + refcount_t refcnt; int len; int olen; @@ -1050,7 +1051,7 @@ static inline struct sec_path * secpath_get(struct sec_path *sp) { if (sp) - atomic_inc(&sp->refcnt); + refcount_inc(&sp->refcnt); return sp; } @@ -1059,7 +1060,7 @@ void __secpath_destroy(struct sec_path *sp); static inline void secpath_put(struct sec_path *sp) { - if (sp && atomic_dec_and_test(&sp->refcnt)) + if (sp && refcount_dec_and_test(&sp->refcnt)) __secpath_destroy(sp); } diff --git a/net/atm/lec.c b/net/atm/lec.c index 75545717fa46..093fe8707731 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -101,12 +101,12 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc); /* must be done under lec_arp_lock */ static inline void lec_arp_hold(struct lec_arp_table *entry) { - atomic_inc(&entry->usage); + refcount_inc(&entry->usage); } static inline void lec_arp_put(struct lec_arp_table *entry) { - if (atomic_dec_and_test(&entry->usage)) + if (refcount_dec_and_test(&entry->usage)) kfree(entry); } @@ -1564,7 +1564,7 @@ static struct lec_arp_table *make_entry(struct lec_priv *priv, to_return->last_used = jiffies; to_return->priv = priv; skb_queue_head_init(&to_return->tx_wait); - atomic_set(&to_return->usage, 1); + refcount_set(&to_return->usage, 1); return to_return; } diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h index ec67435a40a6..d923f53812a3 100644 --- a/net/atm/lec_arpc.h +++ b/net/atm/lec_arpc.h @@ -47,7 +47,7 @@ struct lec_arp_table { * the length of the tlvs array */ struct sk_buff_head tx_wait; /* wait queue for outgoing packets */ - atomic_t usage; /* usage count */ + refcount_t usage; /* usage count */ }; /* diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c index a89fdebeffda..4ccaa16b1eb1 100644 --- a/net/atm/mpoa_caches.c +++ b/net/atm/mpoa_caches.c @@ -40,7 +40,7 @@ static in_cache_entry *in_cache_get(__be32 dst_ip, entry = client->in_cache; while (entry != NULL) { if (entry->ctrl_info.in_dst_ip == dst_ip) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_bh(&client->ingress_lock); return entry; } @@ -61,7 +61,7 @@ static in_cache_entry *in_cache_get_with_mask(__be32 dst_ip, entry = client->in_cache; while (entry != NULL) { if ((entry->ctrl_info.in_dst_ip & mask) == (dst_ip & mask)) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_bh(&client->ingress_lock); return entry; } @@ -82,7 +82,7 @@ static in_cache_entry *in_cache_get_by_vcc(struct atm_vcc *vcc, entry = client->in_cache; while (entry != NULL) { if (entry->shortcut == vcc) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_bh(&client->ingress_lock); return entry; } @@ -105,7 +105,7 @@ static in_cache_entry *in_cache_add_entry(__be32 dst_ip, dprintk("adding an ingress entry, ip = %pI4\n", &dst_ip); - atomic_set(&entry->use, 1); + refcount_set(&entry->use, 1); dprintk("new_in_cache_entry: about to lock\n"); write_lock_bh(&client->ingress_lock); entry->next = client->in_cache; @@ -121,7 +121,7 @@ static in_cache_entry *in_cache_add_entry(__be32 dst_ip, entry->count = 1; entry->entry_state = INGRESS_INVALID; entry->ctrl_info.holding_time = HOLDING_TIME_DEFAULT; - atomic_inc(&entry->use); + refcount_inc(&entry->use); write_unlock_bh(&client->ingress_lock); dprintk("new_in_cache_entry: unlocked\n"); @@ -178,7 +178,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc) static void in_cache_put(in_cache_entry *entry) { - if (atomic_dec_and_test(&entry->use)) { + if (refcount_dec_and_test(&entry->use)) { memset(entry, 0, sizeof(in_cache_entry)); kfree(entry); } @@ -339,7 +339,7 @@ static eg_cache_entry *eg_cache_get_by_cache_id(__be32 cache_id, entry = mpc->eg_cache; while (entry != NULL) { if (entry->ctrl_info.cache_id == cache_id) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_irq(&mpc->egress_lock); return entry; } @@ -360,7 +360,7 @@ static eg_cache_entry *eg_cache_get_by_tag(__be32 tag, struct mpoa_client *mpc) entry = mpc->eg_cache; while (entry != NULL) { if (entry->ctrl_info.tag == tag) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_irqrestore(&mpc->egress_lock, flags); return entry; } @@ -382,7 +382,7 @@ static eg_cache_entry *eg_cache_get_by_vcc(struct atm_vcc *vcc, entry = mpc->eg_cache; while (entry != NULL) { if (entry->shortcut == vcc) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_irqrestore(&mpc->egress_lock, flags); return entry; } @@ -402,7 +402,7 @@ static eg_cache_entry *eg_cache_get_by_src_ip(__be32 ipaddr, entry = mpc->eg_cache; while (entry != NULL) { if (entry->latest_ip_addr == ipaddr) { - atomic_inc(&entry->use); + refcount_inc(&entry->use); read_unlock_irq(&mpc->egress_lock); return entry; } @@ -415,7 +415,7 @@ static eg_cache_entry *eg_cache_get_by_src_ip(__be32 ipaddr, static void eg_cache_put(eg_cache_entry *entry) { - if (atomic_dec_and_test(&entry->use)) { + if (refcount_dec_and_test(&entry->use)) { memset(entry, 0, sizeof(eg_cache_entry)); kfree(entry); } @@ -468,7 +468,7 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, dprintk("adding an egress entry, ip = %pI4, this should be our IP\n", &msg->content.eg_info.eg_dst_ip); - atomic_set(&entry->use, 1); + refcount_set(&entry->use, 1); dprintk("new_eg_cache_entry: about to lock\n"); write_lock_irq(&client->egress_lock); entry->next = client->eg_cache; @@ -484,7 +484,7 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, dprintk("new_eg_cache_entry cache_id %u\n", ntohl(entry->ctrl_info.cache_id)); dprintk("mps_ip = %pI4\n", &entry->ctrl_info.mps_ip); - atomic_inc(&entry->use); + refcount_inc(&entry->use); write_unlock_irq(&client->egress_lock); dprintk("new_eg_cache_entry: unlocked\n"); diff --git a/net/atm/mpoa_caches.h b/net/atm/mpoa_caches.h index 8e5f78cf0be1..30fe34841ced 100644 --- a/net/atm/mpoa_caches.h +++ b/net/atm/mpoa_caches.h @@ -6,6 +6,7 @@ #include <linux/atm.h> #include <linux/atmdev.h> #include <linux/atmmpc.h> +#include <linux/refcount.h> struct mpoa_client; @@ -25,7 +26,7 @@ typedef struct in_cache_entry { struct atm_vcc *shortcut; uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN]; struct in_ctrl_info ctrl_info; - atomic_t use; + refcount_t use; } in_cache_entry; struct in_cache_ops{ @@ -58,7 +59,7 @@ typedef struct eg_cache_entry{ uint16_t entry_state; __be32 latest_ip_addr; /* The src IP address of the last packet */ struct eg_ctrl_info ctrl_info; - atomic_t use; + refcount_t use; } eg_cache_entry; struct eg_cache_ops{ diff --git a/net/atm/proc.c b/net/atm/proc.c index 27c9c01c537d..4caca2a90ec4 100644 --- a/net/atm/proc.c +++ b/net/atm/proc.c @@ -61,7 +61,7 @@ static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev) add_stats(seq, "0", &dev->stats.aal0); seq_puts(seq, " "); add_stats(seq, "5", &dev->stats.aal5); - seq_printf(seq, "\t[%d]", atomic_read(&dev->refcnt)); + seq_printf(seq, "\t[%d]", refcount_read(&dev->refcnt)); seq_putc(seq, '\n'); } diff --git a/net/atm/resources.c b/net/atm/resources.c index 0447d5d0b639..918244757b7d 100644 --- a/net/atm/resources.c +++ b/net/atm/resources.c @@ -109,7 +109,7 @@ struct atm_dev *atm_dev_register(const char *type, struct device *parent, else memset(&dev->flags, 0, sizeof(dev->flags)); memset(&dev->stats, 0, sizeof(dev->stats)); - atomic_set(&dev->refcnt, 1); + refcount_set(&dev->refcnt, 1); if (atm_proc_dev_register(dev) < 0) { pr_err("atm_proc_dev_register failed for dev %s\n", type); diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 0c92ba0cbe0b..f3f9d18891de 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -510,7 +510,7 @@ ax25_cb *ax25_create_cb(void) if ((ax25 = kzalloc(sizeof(*ax25), GFP_ATOMIC)) == NULL) return NULL; - atomic_set(&ax25->refcount, 1); + refcount_set(&ax25->refcount, 1); skb_queue_head_init(&ax25->write_queue); skb_queue_head_init(&ax25->frag_queue); diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c index e1fda27cb27c..0446b892618a 100644 --- a/net/ax25/ax25_route.c +++ b/net/ax25/ax25_route.c @@ -114,7 +114,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route) return -ENOMEM; } - atomic_set(&ax25_rt->refcount, 1); + refcount_set(&ax25_rt->refcount, 1); ax25_rt->callsign = route->dest_addr; ax25_rt->dev = ax25_dev->dev; ax25_rt->digipeat = NULL; diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c index 0403b0def7e6..83b035f56202 100644 --- a/net/ax25/ax25_uid.c +++ b/net/ax25/ax25_uid.c @@ -107,7 +107,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) if ((ax25_uid = kmalloc(sizeof(*ax25_uid), GFP_KERNEL)) == NULL) return -ENOMEM; - atomic_set(&ax25_uid->refcount, 1); + refcount_set(&ax25_uid->refcount, 1); ax25_uid->uid = sax25_kuid; ax25_uid->call = sax->sax25_call; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index c18682f804a0..fd9ee73e0a6d 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -21,6 +21,7 @@ #include <net/ip6_fib.h> #include <linux/if_vlan.h> #include <linux/rhashtable.h> +#include <linux/refcount.h> #define BR_HASH_BITS 8 #define BR_HASH_SIZE (1 << BR_HASH_BITS) @@ -127,7 +128,7 @@ struct net_bridge_vlan { struct net_bridge_port *port; }; union { - atomic_t refcnt; + refcount_t refcnt; struct net_bridge_vlan *brvlan; }; diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 26a1a56639b2..233a30040c91 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -158,7 +158,7 @@ static struct net_bridge_vlan *br_vlan_get_master(struct net_bridge *br, u16 vid if (WARN_ON(!masterv)) return NULL; } - atomic_inc(&masterv->refcnt); + refcount_inc(&masterv->refcnt); return masterv; } @@ -182,7 +182,7 @@ static void br_vlan_put_master(struct net_bridge_vlan *masterv) return; vg = br_vlan_group(masterv->br); - if (atomic_dec_and_test(&masterv->refcnt)) { + if (refcount_dec_and_test(&masterv->refcnt)) { rhashtable_remove_fast(&vg->vlan_hash, &masterv->vnode, br_vlan_rht_params); __vlan_del_list(masterv); @@ -573,7 +573,7 @@ int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) br_err(br, "failed insert local address into bridge forwarding table\n"); return ret; } - atomic_inc(&vlan->refcnt); + refcount_inc(&vlan->refcnt); vlan->flags |= BRIDGE_VLAN_INFO_BRENTRY; vg->num_vlans++; } @@ -595,7 +595,7 @@ int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) vlan->flags &= ~BRIDGE_VLAN_INFO_PVID; vlan->br = br; if (flags & BRIDGE_VLAN_INFO_BRENTRY) - atomic_set(&vlan->refcnt, 1); + refcount_set(&vlan->refcnt, 1); ret = __vlan_add(vlan, flags); if (ret) { free_percpu(vlan->stats); diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c index f9058ebeb635..f9f6fb3f3c5b 100644 --- a/net/decnet/dn_fib.c +++ b/net/decnet/dn_fib.c @@ -389,7 +389,7 @@ link_it: } fi->fib_treeref++; - atomic_inc(&fi->fib_clntref); + refcount_set(&fi->fib_clntref, 1); spin_lock(&dn_fib_info_lock); fi->fib_next = dn_fib_info_list; fi->fib_prev = NULL; @@ -425,7 +425,7 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn switch (type) { case RTN_NAT: DN_FIB_RES_RESET(*res); - atomic_inc(&fi->fib_clntref); + refcount_inc(&fi->fib_clntref); return 0; case RTN_UNICAST: case RTN_LOCAL: @@ -438,7 +438,7 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn } if (nhsel < fi->fib_nhs) { res->nh_sel = nhsel; - atomic_inc(&fi->fib_clntref); + refcount_inc(&fi->fib_clntref); return 0; } endfor_nexthops(fi); diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c index 44067521e7cd..1323b9679cf7 100644 --- a/net/ipv6/calipso.c +++ b/net/ipv6/calipso.c @@ -338,7 +338,7 @@ static struct calipso_doi *calipso_doi_search(u32 doi) struct calipso_doi *iter; list_for_each_entry_rcu(iter, &calipso_doi_list, list) - if (iter->doi == doi && atomic_read(&iter->refcount)) + if (iter->doi == doi && refcount_read(&iter->refcount)) return iter; return NULL; } @@ -370,7 +370,7 @@ static int calipso_doi_add(struct calipso_doi *doi_def, if (doi_def->doi == CALIPSO_DOI_UNKNOWN) goto doi_add_return; - atomic_set(&doi_def->refcount, 1); + refcount_set(&doi_def->refcount, 1); spin_lock(&calipso_doi_list_lock); if (calipso_doi_search(doi_def->doi)) { @@ -458,7 +458,7 @@ static int calipso_doi_remove(u32 doi, struct netlbl_audit *audit_info) ret_val = -ENOENT; goto doi_remove_return; } - if (!atomic_dec_and_test(&doi_def->refcount)) { + if (!refcount_dec_and_test(&doi_def->refcount)) { spin_unlock(&calipso_doi_list_lock); ret_val = -EBUSY; goto doi_remove_return; @@ -499,7 +499,7 @@ static struct calipso_doi *calipso_doi_getdef(u32 doi) doi_def = calipso_doi_search(doi); if (!doi_def) goto doi_getdef_return; - if (!atomic_inc_not_zero(&doi_def->refcount)) + if (!refcount_inc_not_zero(&doi_def->refcount)) doi_def = NULL; doi_getdef_return: @@ -520,7 +520,7 @@ static void calipso_doi_putdef(struct calipso_doi *doi_def) if (!doi_def) return; - if (!atomic_dec_and_test(&doi_def->refcount)) + if (!refcount_dec_and_test(&doi_def->refcount)) return; spin_lock(&calipso_doi_list_lock); list_del_rcu(&doi_def->list); @@ -553,7 +553,7 @@ static int calipso_doi_walk(u32 *skip_cnt, rcu_read_lock(); list_for_each_entry_rcu(iter_doi, &calipso_doi_list, list) - if (atomic_read(&iter_doi->refcount) > 0) { + if (refcount_read(&iter_doi->refcount) > 0) { if (doi_cnt++ < *skip_cnt) continue; ret_val = callback(iter_doi, cb_arg); diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index fa31ef29e3fa..ac598ec90589 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -308,7 +308,7 @@ void ipxitf_down(struct ipx_interface *intrfc) static void __ipxitf_put(struct ipx_interface *intrfc) { - if (atomic_dec_and_test(&intrfc->refcnt)) + if (refcount_dec_and_test(&intrfc->refcnt)) __ipxitf_down(intrfc); } @@ -876,7 +876,7 @@ static struct ipx_interface *ipxitf_alloc(struct net_device *dev, __be32 netnum, intrfc->if_ipx_offset = ipx_offset; intrfc->if_sknum = IPX_MIN_EPHEMERAL_SOCKET; INIT_HLIST_HEAD(&intrfc->if_sklist); - atomic_set(&intrfc->refcnt, 1); + refcount_set(&intrfc->refcnt, 1); spin_lock_init(&intrfc->if_sklist_lock); } @@ -1105,7 +1105,7 @@ static struct ipx_interface *ipxitf_auto_create(struct net_device *dev, memcpy((char *)&(intrfc->if_node[IPX_NODE_LEN-dev->addr_len]), dev->dev_addr, dev->addr_len); spin_lock_init(&intrfc->if_sklist_lock); - atomic_set(&intrfc->refcnt, 1); + refcount_set(&intrfc->refcnt, 1); ipxitf_insert(intrfc); dev_hold(dev); } diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c index c1d247ebe916..7d75e4c5c75d 100644 --- a/net/ipx/ipx_proc.c +++ b/net/ipx/ipx_proc.c @@ -53,7 +53,7 @@ static int ipx_seq_interface_show(struct seq_file *seq, void *v) seq_printf(seq, "%-11s", ipx_device_name(i)); seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type)); #ifdef IPX_REFCNT_DEBUG - seq_printf(seq, "%6d", atomic_read(&i->refcnt)); + seq_printf(seq, "%6d", refcount_read(&i->refcnt)); #endif seq_puts(seq, "\n"); out: diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c index 3e2a32a9f3bd..b5d91447f3dc 100644 --- a/net/ipx/ipx_route.c +++ b/net/ipx/ipx_route.c @@ -59,7 +59,7 @@ int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc, if (!rt) goto out; - atomic_set(&rt->refcnt, 1); + refcount_set(&rt->refcnt, 1); ipxrtr_hold(rt); write_lock_bh(&ipx_routes_lock); list_add(&rt->node, &ipx_routes); diff --git a/net/key/af_key.c b/net/key/af_key.c index edcf1d0f82c8..ca9d3ae665e7 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2177,7 +2177,7 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, const struct xfrm_policy * } hdr->sadb_msg_len = size / sizeof(uint64_t); - hdr->sadb_msg_reserved = atomic_read(&xp->refcnt); + hdr->sadb_msg_reserved = refcount_read(&xp->refcnt); return 0; } diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index fa0342574b89..b0c2d4ae781d 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -132,12 +132,12 @@ static inline struct l2tp_net *l2tp_pernet(const struct net *net) */ static inline void l2tp_tunnel_inc_refcount_1(struct l2tp_tunnel *tunnel) { - atomic_inc(&tunnel->ref_count); + refcount_inc(&tunnel->ref_count); } static inline void l2tp_tunnel_dec_refcount_1(struct l2tp_tunnel *tunnel) { - if (atomic_dec_and_test(&tunnel->ref_count)) + if (refcount_dec_and_test(&tunnel->ref_count)) l2tp_tunnel_free(tunnel); } #ifdef L2TP_REFCNT_DEBUG @@ -145,14 +145,14 @@ static inline void l2tp_tunnel_dec_refcount_1(struct l2tp_tunnel *tunnel) do { \ pr_debug("l2tp_tunnel_inc_refcount: %s:%d %s: cnt=%d\n", \ __func__, __LINE__, (_t)->name, \ - atomic_read(&_t->ref_count)); \ + refcount_read(&_t->ref_count)); \ l2tp_tunnel_inc_refcount_1(_t); \ } while (0) #define l2tp_tunnel_dec_refcount(_t) \ do { \ pr_debug("l2tp_tunnel_dec_refcount: %s:%d %s: cnt=%d\n", \ __func__, __LINE__, (_t)->name, \ - atomic_read(&_t->ref_count)); \ + refcount_read(&_t->ref_count)); \ l2tp_tunnel_dec_refcount_1(_t); \ } while (0) #else @@ -1353,7 +1353,7 @@ static void l2tp_udp_encap_destroy(struct sock *sk) */ static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) { - BUG_ON(atomic_read(&tunnel->ref_count) != 0); + BUG_ON(refcount_read(&tunnel->ref_count) != 0); BUG_ON(tunnel->sock != NULL); l2tp_info(tunnel, L2TP_MSG_CONTROL, "%s: free...\n", tunnel->name); kfree_rcu(tunnel, rcu); @@ -1667,7 +1667,7 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 /* Bump the reference count. The tunnel context is deleted * only when this drops to zero. Must be done before list insertion */ - l2tp_tunnel_inc_refcount(tunnel); + refcount_set(&tunnel->ref_count, 1); spin_lock_bh(&pn->l2tp_tunnel_list_lock); list_add_rcu(&tunnel->list, &pn->l2tp_tunnel_list); spin_unlock_bh(&pn->l2tp_tunnel_list_lock); @@ -1706,7 +1706,7 @@ void l2tp_session_free(struct l2tp_session *session) { struct l2tp_tunnel *tunnel = session->tunnel; - BUG_ON(atomic_read(&session->ref_count) != 0); + BUG_ON(refcount_read(&session->ref_count) != 0); if (tunnel) { BUG_ON(tunnel->magic != L2TP_TUNNEL_MAGIC); @@ -1854,7 +1854,7 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn /* Bump the reference count. The session context is deleted * only when this drops to zero. */ - l2tp_session_inc_refcount(session); + refcount_set(&session->ref_count, 1); l2tp_tunnel_inc_refcount(tunnel); /* Ensure tunnel socket isn't deleted */ diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index eec5ad2ebb93..cdb6e3327f74 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -7,6 +7,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/refcount.h> #ifndef _L2TP_CORE_H_ #define _L2TP_CORE_H_ @@ -98,7 +99,7 @@ struct l2tp_session { int nr_oos_count; /* For OOS recovery */ int nr_oos_count_max; struct hlist_node hlist; /* Hash list node */ - atomic_t ref_count; + refcount_t ref_count; char name[32]; /* for logging */ char ifname[IFNAMSIZ]; @@ -177,7 +178,7 @@ struct l2tp_tunnel { struct list_head list; /* Keep a list of all tunnels */ struct net *l2tp_net; /* the net we belong to */ - atomic_t ref_count; + refcount_t ref_count; #ifdef CONFIG_DEBUG_FS void (*show)(struct seq_file *m, void *arg); #endif @@ -273,12 +274,12 @@ int l2tp_ioctl(struct sock *sk, int cmd, unsigned long arg); */ static inline void l2tp_session_inc_refcount_1(struct l2tp_session *session) { - atomic_inc(&session->ref_count); + refcount_inc(&session->ref_count); } static inline void l2tp_session_dec_refcount_1(struct l2tp_session *session) { - if (atomic_dec_and_test(&session->ref_count)) + if (refcount_dec_and_test(&session->ref_count)) l2tp_session_free(session); } @@ -287,14 +288,14 @@ static inline void l2tp_session_dec_refcount_1(struct l2tp_session *session) do { \ pr_debug("l2tp_session_inc_refcount: %s:%d %s: cnt=%d\n", \ __func__, __LINE__, (_s)->name, \ - atomic_read(&_s->ref_count)); \ + refcount_read(&_s->ref_count)); \ l2tp_session_inc_refcount_1(_s); \ } while (0) #define l2tp_session_dec_refcount(_s) \ do { \ pr_debug("l2tp_session_dec_refcount: %s:%d %s: cnt=%d\n", \ __func__, __LINE__, (_s)->name, \ - atomic_read(&_s->ref_count)); \ + refcount_read(&_s->ref_count)); \ l2tp_session_dec_refcount_1(_s); \ } while (0) #else diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index 98a005d0d04a..53bae54c4d6e 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -145,7 +145,7 @@ static void l2tp_dfs_seq_tunnel_show(struct seq_file *m, void *v) ""); seq_printf(m, " %d sessions, refcnt %d/%d\n", session_count, tunnel->sock ? refcount_read(&tunnel->sock->sk_refcnt) : 0, - atomic_read(&tunnel->ref_count)); + refcount_read(&tunnel->ref_count)); seq_printf(m, " %08x rx %ld/%ld/%ld rx %ld/%ld/%ld\n", tunnel->debug, atomic_long_read(&tunnel->stats.tx_packets), @@ -170,7 +170,7 @@ static void l2tp_dfs_seq_session_show(struct seq_file *m, void *v) ""); if (session->send_seq || session->recv_seq) seq_printf(m, " nr %hu, ns %hu\n", session->nr, session->ns); - seq_printf(m, " refcnt %d\n", atomic_read(&session->ref_count)); + seq_printf(m, " refcnt %d\n", refcount_read(&session->ref_count)); seq_printf(m, " config %d/%d/%c/%c/%s/%s %08x %u\n", session->mtu, session->mru, session->recv_seq ? 'R' : '-', diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 32ea0f3d868c..f0edb7209079 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1616,7 +1616,7 @@ static void pppol2tp_seq_tunnel_show(struct seq_file *m, void *v) seq_printf(m, "\nTUNNEL '%s', %c %d\n", tunnel->name, (tunnel == tunnel->sock->sk_user_data) ? 'Y' : 'N', - atomic_read(&tunnel->ref_count) - 1); + refcount_read(&tunnel->ref_count) - 1); seq_printf(m, " %08x %ld/%ld/%ld %ld/%ld/%ld\n", tunnel->debug, atomic_long_read(&tunnel->stats.tx_packets), diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c index b50b64ac8815..e15314e3b464 100644 --- a/net/lapb/lapb_iface.c +++ b/net/lapb/lapb_iface.c @@ -54,12 +54,12 @@ static void lapb_free_cb(struct lapb_cb *lapb) static __inline__ void lapb_hold(struct lapb_cb *lapb) { - atomic_inc(&lapb->refcnt); + refcount_inc(&lapb->refcnt); } static __inline__ void lapb_put(struct lapb_cb *lapb) { - if (atomic_dec_and_test(&lapb->refcnt)) + if (refcount_dec_and_test(&lapb->refcnt)) lapb_free_cb(lapb); } @@ -136,7 +136,7 @@ static struct lapb_cb *lapb_create_cb(void) lapb->mode = LAPB_DEFAULT_MODE; lapb->window = LAPB_DEFAULT_WINDOW; lapb->state = LAPB_STATE_0; - atomic_set(&lapb->refcnt, 1); + refcount_set(&lapb->refcnt, 1); out: return lapb; } diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c index 842851cef698..89041260784c 100644 --- a/net/llc/llc_core.c +++ b/net/llc/llc_core.c @@ -41,7 +41,7 @@ static struct llc_sap *llc_sap_alloc(void) spin_lock_init(&sap->sk_lock); for (i = 0; i < LLC_SK_LADDR_HASH_ENTRIES; i++) INIT_HLIST_NULLS_HEAD(&sap->sk_laddr_hash[i], i); - atomic_set(&sap->refcnt, 1); + refcount_set(&sap->refcnt, 1); } return sap; } diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index d72a4f1558f2..0c59354e280e 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -149,7 +149,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, nr_neigh->count = 0; nr_neigh->number = nr_neigh_no++; nr_neigh->failed = 0; - atomic_set(&nr_neigh->refcount, 1); + refcount_set(&nr_neigh->refcount, 1); if (ax25_digi != NULL && ax25_digi->ndigi > 0) { nr_neigh->digipeat = kmemdup(ax25_digi, @@ -184,7 +184,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, nr_node->which = 0; nr_node->count = 1; - atomic_set(&nr_node->refcount, 1); + refcount_set(&nr_node->refcount, 1); spin_lock_init(&nr_node->node_lock); nr_node->routes[0].quality = quality; @@ -431,7 +431,7 @@ static int __must_check nr_add_neigh(ax25_address *callsign, nr_neigh->count = 0; nr_neigh->number = nr_neigh_no++; nr_neigh->failed = 0; - atomic_set(&nr_neigh->refcount, 1); + refcount_set(&nr_neigh->refcount, 1); if (ax25_digi != NULL && ax25_digi->ndigi > 0) { nr_neigh->digipeat = kmemdup(ax25_digi, sizeof(*ax25_digi), diff --git a/net/rds/ib.c b/net/rds/ib.c index 7a64c8db81ab..a0954ace3774 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -118,8 +118,8 @@ static void rds_ib_dev_free(struct work_struct *work) void rds_ib_dev_put(struct rds_ib_device *rds_ibdev) { - BUG_ON(atomic_read(&rds_ibdev->refcount) <= 0); - if (atomic_dec_and_test(&rds_ibdev->refcount)) + BUG_ON(refcount_read(&rds_ibdev->refcount) == 0); + if (refcount_dec_and_test(&rds_ibdev->refcount)) queue_work(rds_wq, &rds_ibdev->free_work); } @@ -137,7 +137,7 @@ static void rds_ib_add_one(struct ib_device *device) return; spin_lock_init(&rds_ibdev->spinlock); - atomic_set(&rds_ibdev->refcount, 1); + refcount_set(&rds_ibdev->refcount, 1); INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free); rds_ibdev->max_wrs = device->attrs.max_qp_wr; @@ -205,10 +205,10 @@ static void rds_ib_add_one(struct ib_device *device) down_write(&rds_ib_devices_lock); list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices); up_write(&rds_ib_devices_lock); - atomic_inc(&rds_ibdev->refcount); + refcount_inc(&rds_ibdev->refcount); ib_set_client_data(device, &rds_ib_client, rds_ibdev); - atomic_inc(&rds_ibdev->refcount); + refcount_inc(&rds_ibdev->refcount); rds_ib_nodev_connect(); @@ -239,7 +239,7 @@ struct rds_ib_device *rds_ib_get_client_data(struct ib_device *device) rcu_read_lock(); rds_ibdev = ib_get_client_data(device, &rds_ib_client); if (rds_ibdev) - atomic_inc(&rds_ibdev->refcount); + refcount_inc(&rds_ibdev->refcount); rcu_read_unlock(); return rds_ibdev; } diff --git a/net/rds/ib.h b/net/rds/ib.h index ec550626e221..bf4822407567 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -230,7 +230,7 @@ struct rds_ib_device { unsigned int max_initiator_depth; unsigned int max_responder_resources; spinlock_t spinlock; /* protect the above */ - atomic_t refcount; + refcount_t refcount; struct work_struct free_work; int *vector_load; }; diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 977f69886c00..9a3c54e659e9 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -52,7 +52,7 @@ static struct rds_ib_device *rds_ib_get_device(__be32 ipaddr) list_for_each_entry_rcu(rds_ibdev, &rds_ib_devices, list) { list_for_each_entry_rcu(i_ipaddr, &rds_ibdev->ipaddr_list, list) { if (i_ipaddr->ipaddr == ipaddr) { - atomic_inc(&rds_ibdev->refcount); + refcount_inc(&rds_ibdev->refcount); rcu_read_unlock(); return rds_ibdev; } @@ -134,7 +134,7 @@ void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *con spin_unlock_irq(&ib_nodev_conns_lock); ic->rds_ibdev = rds_ibdev; - atomic_inc(&rds_ibdev->refcount); + refcount_inc(&rds_ibdev->refcount); } void rds_ib_remove_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn) diff --git a/net/rds/message.c b/net/rds/message.c index 49bfb512d808..4318cc9b78f7 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -48,8 +48,8 @@ static unsigned int rds_exthdr_size[__RDS_EXTHDR_MAX] = { void rds_message_addref(struct rds_message *rm) { - rdsdebug("addref rm %p ref %d\n", rm, atomic_read(&rm->m_refcount)); - atomic_inc(&rm->m_refcount); + rdsdebug("addref rm %p ref %d\n", rm, refcount_read(&rm->m_refcount)); + refcount_inc(&rm->m_refcount); } EXPORT_SYMBOL_GPL(rds_message_addref); @@ -83,9 +83,9 @@ static void rds_message_purge(struct rds_message *rm) void rds_message_put(struct rds_message *rm) { - rdsdebug("put rm %p ref %d\n", rm, atomic_read(&rm->m_refcount)); - WARN(!atomic_read(&rm->m_refcount), "danger refcount zero on %p\n", rm); - if (atomic_dec_and_test(&rm->m_refcount)) { + rdsdebug("put rm %p ref %d\n", rm, refcount_read(&rm->m_refcount)); + WARN(!refcount_read(&rm->m_refcount), "danger refcount zero on %p\n", rm); + if (refcount_dec_and_test(&rm->m_refcount)) { BUG_ON(!list_empty(&rm->m_sock_item)); BUG_ON(!list_empty(&rm->m_conn_item)); rds_message_purge(rm); @@ -206,7 +206,7 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp) rm->m_used_sgs = 0; rm->m_total_sgs = extra_len / sizeof(struct scatterlist); - atomic_set(&rm->m_refcount, 1); + refcount_set(&rm->m_refcount, 1); INIT_LIST_HEAD(&rm->m_sock_item); INIT_LIST_HEAD(&rm->m_conn_item); spin_lock_init(&rm->m_rs_lock); diff --git a/net/rds/rdma.c b/net/rds/rdma.c index f06fac4886b0..8886f15abe90 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -84,7 +84,7 @@ static struct rds_mr *rds_mr_tree_walk(struct rb_root *root, u64 key, if (insert) { rb_link_node(&insert->r_rb_node, parent, p); rb_insert_color(&insert->r_rb_node, root); - atomic_inc(&insert->r_refcount); + refcount_inc(&insert->r_refcount); } return NULL; } @@ -99,7 +99,7 @@ static void rds_destroy_mr(struct rds_mr *mr) unsigned long flags; rdsdebug("RDS: destroy mr key is %x refcnt %u\n", - mr->r_key, atomic_read(&mr->r_refcount)); + mr->r_key, refcount_read(&mr->r_refcount)); if (test_and_set_bit(RDS_MR_DEAD, &mr->r_state)) return; @@ -223,7 +223,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args, goto out; } - atomic_set(&mr->r_refcount, 1); + refcount_set(&mr->r_refcount, 1); RB_CLEAR_NODE(&mr->r_rb_node); mr->r_trans = rs->rs_transport; mr->r_sock = rs; @@ -307,7 +307,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args, rdsdebug("RDS: get_mr key is %x\n", mr->r_key); if (mr_ret) { - atomic_inc(&mr->r_refcount); + refcount_inc(&mr->r_refcount); *mr_ret = mr; } @@ -756,7 +756,7 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm, if (!mr) err = -EINVAL; /* invalid r_key */ else - atomic_inc(&mr->r_refcount); + refcount_inc(&mr->r_refcount); spin_unlock_irqrestore(&rs->rs_rdma_lock, flags); if (mr) { diff --git a/net/rds/rds.h b/net/rds/rds.h index 4a25db7075b1..516bcc89b46f 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -8,6 +8,7 @@ #include <linux/mutex.h> #include <linux/rds.h> #include <linux/rhashtable.h> +#include <linux/refcount.h> #include "info.h" @@ -261,7 +262,7 @@ struct rds_ext_header_rdma_dest { #define RDS_MSG_RX_CMSG 3 struct rds_incoming { - atomic_t i_refcount; + refcount_t i_refcount; struct list_head i_item; struct rds_connection *i_conn; struct rds_conn_path *i_conn_path; @@ -276,7 +277,7 @@ struct rds_incoming { struct rds_mr { struct rb_node r_rb_node; - atomic_t r_refcount; + refcount_t r_refcount; u32 r_key; /* A copy of the creation flags */ @@ -355,7 +356,7 @@ static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie) #define RDS_MSG_FLUSH 8 struct rds_message { - atomic_t m_refcount; + refcount_t m_refcount; struct list_head m_sock_item; struct list_head m_conn_item; struct rds_incoming m_inc; @@ -856,7 +857,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm, void __rds_put_mr_final(struct rds_mr *mr); static inline void rds_mr_put(struct rds_mr *mr) { - if (atomic_dec_and_test(&mr->r_refcount)) + if (refcount_dec_and_test(&mr->r_refcount)) __rds_put_mr_final(mr); } diff --git a/net/rds/recv.c b/net/rds/recv.c index 373a6aa1d976..b25bcfe411ca 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -45,7 +45,7 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, { int i; - atomic_set(&inc->i_refcount, 1); + refcount_set(&inc->i_refcount, 1); INIT_LIST_HEAD(&inc->i_item); inc->i_conn = conn; inc->i_saddr = saddr; @@ -61,7 +61,7 @@ EXPORT_SYMBOL_GPL(rds_inc_init); void rds_inc_path_init(struct rds_incoming *inc, struct rds_conn_path *cp, __be32 saddr) { - atomic_set(&inc->i_refcount, 1); + refcount_set(&inc->i_refcount, 1); INIT_LIST_HEAD(&inc->i_item); inc->i_conn = cp->cp_conn; inc->i_conn_path = cp; @@ -74,14 +74,14 @@ EXPORT_SYMBOL_GPL(rds_inc_path_init); static void rds_inc_addref(struct rds_incoming *inc) { - rdsdebug("addref inc %p ref %d\n", inc, atomic_read(&inc->i_refcount)); - atomic_inc(&inc->i_refcount); + rdsdebug("addref inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); + refcount_inc(&inc->i_refcount); } void rds_inc_put(struct rds_incoming *inc) { - rdsdebug("put inc %p ref %d\n", inc, atomic_read(&inc->i_refcount)); - if (atomic_dec_and_test(&inc->i_refcount)) { + rdsdebug("put inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); + if (refcount_dec_and_test(&inc->i_refcount)) { BUG_ON(!list_empty(&inc->i_item)); inc->i_conn->c_trans->inc_free(inc); diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 43b94c7b69bd..bd24a550e0f9 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -839,7 +839,7 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, old = dev_graft_qdisc(dev_queue, new); if (new && i > 0) - atomic_inc(&new->refcnt); + refcount_inc(&new->refcnt); if (!ingress) qdisc_destroy(old); @@ -850,7 +850,7 @@ skip: notify_and_destroy(net, skb, n, classid, dev->qdisc, new); if (new && !new->ops->attach) - atomic_inc(&new->refcnt); + refcount_inc(&new->refcnt); dev->qdisc = new ? : &noop_qdisc; if (new && new->ops->attach) @@ -1259,7 +1259,7 @@ replay: if (q == p || (p && check_loop(q, p, 0))) return -ELOOP; - atomic_inc(&q->refcnt); + refcount_inc(&q->refcnt); goto graft; } else { if (!q) @@ -1374,7 +1374,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, tcm->tcm_ifindex = qdisc_dev(q)->ifindex; tcm->tcm_parent = clid; tcm->tcm_handle = q->handle; - tcm->tcm_info = atomic_read(&q->refcnt); + tcm->tcm_info = refcount_read(&q->refcnt); if (nla_put_string(skb, TCA_KIND, q->ops->id)) goto nla_put_failure; if (q->ops->dump && q->ops->dump(q, skb) < 0) diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 52a2c55f6d9e..57ba406f1437 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -633,7 +633,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, sch->dequeue = ops->dequeue; sch->dev_queue = dev_queue; dev_hold(dev); - atomic_set(&sch->refcnt, 1); + refcount_set(&sch->refcnt, 1); return sch; errout: @@ -701,7 +701,7 @@ void qdisc_destroy(struct Qdisc *qdisc) const struct Qdisc_ops *ops = qdisc->ops; if (qdisc->flags & TCQ_F_BUILTIN || - !atomic_dec_and_test(&qdisc->refcnt)) + !refcount_dec_and_test(&qdisc->refcnt)) return; #ifdef CONFIG_NET_SCHED @@ -739,7 +739,7 @@ struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue, spin_lock_bh(root_lock); /* Prune old scheduler */ - if (oqdisc && atomic_read(&oqdisc->refcnt) <= 1) + if (oqdisc && refcount_read(&oqdisc->refcnt) <= 1) qdisc_reset(oqdisc); /* ... and graft new one */ @@ -785,7 +785,7 @@ static void attach_default_qdiscs(struct net_device *dev) dev->priv_flags & IFF_NO_QUEUE) { netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL); dev->qdisc = txq->qdisc_sleeping; - atomic_inc(&dev->qdisc->refcnt); + refcount_inc(&dev->qdisc->refcnt); } else { qdisc = qdisc_create_dflt(txq, &mq_qdisc_ops, TC_H_ROOT); if (qdisc) { diff --git a/net/sctp/associola.c b/net/sctp/associola.c index fa4f530ab7e1..40ec83679d6e 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -88,7 +88,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a asoc->base.type = SCTP_EP_TYPE_ASSOCIATION; /* Initialize the object handling fields. */ - atomic_set(&asoc->base.refcnt, 1); + refcount_set(&asoc->base.refcnt, 1); /* Initialize the bind addr area. */ sctp_bind_addr_init(&asoc->base.bind_addr, ep->base.bind_addr.port); @@ -873,7 +873,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, /* Hold a reference to an association. */ void sctp_association_hold(struct sctp_association *asoc) { - atomic_inc(&asoc->base.refcnt); + refcount_inc(&asoc->base.refcnt); } /* Release a reference to an association and cleanup @@ -881,7 +881,7 @@ void sctp_association_hold(struct sctp_association *asoc) */ void sctp_association_put(struct sctp_association *asoc) { - if (atomic_dec_and_test(&asoc->base.refcnt)) + if (refcount_dec_and_test(&asoc->base.refcnt)) sctp_association_destroy(asoc); } diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 8ffa5985cd6e..e001b01b0e68 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -63,7 +63,7 @@ void sctp_auth_key_put(struct sctp_auth_bytes *key) if (!key) return; - if (atomic_dec_and_test(&key->refcnt)) { + if (refcount_dec_and_test(&key->refcnt)) { kzfree(key); SCTP_DBG_OBJCNT_DEC(keys); } @@ -84,7 +84,7 @@ static struct sctp_auth_bytes *sctp_auth_create_key(__u32 key_len, gfp_t gfp) return NULL; key->len = key_len; - atomic_set(&key->refcnt, 1); + refcount_set(&key->refcnt, 1); SCTP_DBG_OBJCNT_INC(keys); return key; diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c index 81466f6442e8..1323d41e68b8 100644 --- a/net/sctp/chunk.c +++ b/net/sctp/chunk.c @@ -49,7 +49,7 @@ /* Initialize datamsg from memory. */ static void sctp_datamsg_init(struct sctp_datamsg *msg) { - atomic_set(&msg->refcnt, 1); + refcount_set(&msg->refcnt, 1); msg->send_failed = 0; msg->send_error = 0; msg->can_delay = 1; @@ -136,13 +136,13 @@ static void sctp_datamsg_destroy(struct sctp_datamsg *msg) /* Hold a reference. */ static void sctp_datamsg_hold(struct sctp_datamsg *msg) { - atomic_inc(&msg->refcnt); + refcount_inc(&msg->refcnt); } /* Release a reference. */ void sctp_datamsg_put(struct sctp_datamsg *msg) { - if (atomic_dec_and_test(&msg->refcnt)) + if (refcount_dec_and_test(&msg->refcnt)) sctp_datamsg_destroy(msg); } diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index efbc31877804..0e86f988f836 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -114,7 +114,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, ep->base.type = SCTP_EP_TYPE_SOCKET; /* Initialize the basic object fields. */ - atomic_set(&ep->base.refcnt, 1); + refcount_set(&ep->base.refcnt, 1); ep->base.dead = false; /* Create an input queue. */ @@ -285,7 +285,7 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) /* Hold a reference to an endpoint. */ void sctp_endpoint_hold(struct sctp_endpoint *ep) { - atomic_inc(&ep->base.refcnt); + refcount_inc(&ep->base.refcnt); } /* Release a reference to an endpoint and clean up if there are @@ -293,7 +293,7 @@ void sctp_endpoint_hold(struct sctp_endpoint *ep) */ void sctp_endpoint_put(struct sctp_endpoint *ep) { - if (atomic_dec_and_test(&ep->base.refcnt)) + if (refcount_dec_and_test(&ep->base.refcnt)) sctp_endpoint_destroy(ep); } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 3af4dd024ec0..4e16b02ed832 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1345,7 +1345,7 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb, INIT_LIST_HEAD(&retval->transmitted_list); INIT_LIST_HEAD(&retval->frag_list); SCTP_DBG_OBJCNT_INC(chunk); - atomic_set(&retval->refcnt, 1); + refcount_set(&retval->refcnt, 1); nodata: return retval; @@ -1458,13 +1458,13 @@ void sctp_chunk_free(struct sctp_chunk *chunk) /* Grab a reference to the chunk. */ void sctp_chunk_hold(struct sctp_chunk *ch) { - atomic_inc(&ch->refcnt); + refcount_inc(&ch->refcnt); } /* Release a reference to the chunk. */ void sctp_chunk_put(struct sctp_chunk *ch) { - if (atomic_dec_and_test(&ch->refcnt)) + if (refcount_dec_and_test(&ch->refcnt)) sctp_chunk_destroy(ch); } diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 7cdd6bcddbc5..80a97c8501a7 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -99,7 +99,7 @@ static struct sctp_transport *sctp_transport_init(struct net *net, /* Initialize the 64-bit random nonce sent with heartbeat. */ get_random_bytes(&peer->hb_nonce, sizeof(peer->hb_nonce)); - atomic_set(&peer->refcnt, 1); + refcount_set(&peer->refcnt, 1); return peer; } @@ -172,7 +172,7 @@ static void sctp_transport_destroy_rcu(struct rcu_head *head) */ static void sctp_transport_destroy(struct sctp_transport *transport) { - if (unlikely(atomic_read(&transport->refcnt))) { + if (unlikely(refcount_read(&transport->refcnt))) { WARN(1, "Attempt to destroy undead transport %p!\n", transport); return; } @@ -311,7 +311,7 @@ void sctp_transport_route(struct sctp_transport *transport, /* Hold a reference to a transport. */ int sctp_transport_hold(struct sctp_transport *transport) { - return atomic_add_unless(&transport->refcnt, 1, 0); + return refcount_inc_not_zero(&transport->refcnt); } /* Release a reference to a transport and clean up @@ -319,7 +319,7 @@ int sctp_transport_hold(struct sctp_transport *transport) */ void sctp_transport_put(struct sctp_transport *transport) { - if (atomic_dec_and_test(&transport->refcnt)) + if (refcount_dec_and_test(&transport->refcnt)) sctp_transport_destroy(transport); } diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 4f16953e4954..9463af4b32e8 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -117,14 +117,14 @@ static const struct rpc_pipe_ops gss_upcall_ops_v1; static inline struct gss_cl_ctx * gss_get_ctx(struct gss_cl_ctx *ctx) { - atomic_inc(&ctx->count); + refcount_inc(&ctx->count); return ctx; } static inline void gss_put_ctx(struct gss_cl_ctx *ctx) { - if (atomic_dec_and_test(&ctx->count)) + if (refcount_dec_and_test(&ctx->count)) gss_free_ctx(ctx); } @@ -200,7 +200,7 @@ gss_alloc_context(void) ctx->gc_proc = RPC_GSS_PROC_DATA; ctx->gc_seq = 1; /* NetApp 6.4R1 doesn't accept seq. no. 0 */ spin_lock_init(&ctx->gc_seq_lock); - atomic_set(&ctx->count,1); + refcount_set(&ctx->count,1); } return ctx; } @@ -287,7 +287,7 @@ err: #define UPCALL_BUF_LEN 128 struct gss_upcall_msg { - atomic_t count; + refcount_t count; kuid_t uid; struct rpc_pipe_msg msg; struct list_head list; @@ -328,7 +328,7 @@ static void gss_release_msg(struct gss_upcall_msg *gss_msg) { struct net *net = gss_msg->auth->net; - if (!atomic_dec_and_test(&gss_msg->count)) + if (!refcount_dec_and_test(&gss_msg->count)) return; put_pipe_version(net); BUG_ON(!list_empty(&gss_msg->list)); @@ -348,7 +348,7 @@ __gss_find_upcall(struct rpc_pipe *pipe, kuid_t uid, const struct gss_auth *auth continue; if (auth && pos->auth->service != auth->service) continue; - atomic_inc(&pos->count); + refcount_inc(&pos->count); dprintk("RPC: %s found msg %p\n", __func__, pos); return pos; } @@ -369,7 +369,7 @@ gss_add_msg(struct gss_upcall_msg *gss_msg) spin_lock(&pipe->lock); old = __gss_find_upcall(pipe, gss_msg->uid, gss_msg->auth); if (old == NULL) { - atomic_inc(&gss_msg->count); + refcount_inc(&gss_msg->count); list_add(&gss_msg->list, &pipe->in_downcall); } else gss_msg = old; @@ -383,7 +383,7 @@ __gss_unhash_msg(struct gss_upcall_msg *gss_msg) list_del_init(&gss_msg->list); rpc_wake_up_status(&gss_msg->rpc_waitqueue, gss_msg->msg.errno); wake_up_all(&gss_msg->waitqueue); - atomic_dec(&gss_msg->count); + refcount_dec(&gss_msg->count); } static void @@ -506,7 +506,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, INIT_LIST_HEAD(&gss_msg->list); rpc_init_wait_queue(&gss_msg->rpc_waitqueue, "RPCSEC_GSS upcall waitq"); init_waitqueue_head(&gss_msg->waitqueue); - atomic_set(&gss_msg->count, 1); + refcount_set(&gss_msg->count, 1); gss_msg->uid = uid; gss_msg->auth = gss_auth; switch (vers) { @@ -542,11 +542,11 @@ gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred) gss_msg = gss_add_msg(gss_new); if (gss_msg == gss_new) { int res; - atomic_inc(&gss_msg->count); + refcount_inc(&gss_msg->count); res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg); if (res) { gss_unhash_msg(gss_new); - atomic_dec(&gss_msg->count); + refcount_dec(&gss_msg->count); gss_release_msg(gss_new); gss_msg = ERR_PTR(res); } @@ -595,7 +595,7 @@ gss_refresh_upcall(struct rpc_task *task) task->tk_timeout = 0; gss_cred->gc_upcall = gss_msg; /* gss_upcall_callback will release the reference to gss_upcall_msg */ - atomic_inc(&gss_msg->count); + refcount_inc(&gss_msg->count); rpc_sleep_on(&gss_msg->rpc_waitqueue, task, gss_upcall_callback); } else { gss_handle_downcall_result(gss_cred, gss_msg); @@ -815,7 +815,7 @@ restart: if (!list_empty(&gss_msg->msg.list)) continue; gss_msg->msg.errno = -EPIPE; - atomic_inc(&gss_msg->count); + refcount_inc(&gss_msg->count); __gss_unhash_msg(gss_msg); spin_unlock(&pipe->lock); gss_release_msg(gss_msg); @@ -834,7 +834,7 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg) if (msg->errno < 0) { dprintk("RPC: %s releasing msg %p\n", __func__, gss_msg); - atomic_inc(&gss_msg->count); + refcount_inc(&gss_msg->count); gss_unhash_msg(gss_msg); if (msg->errno == -ETIMEDOUT) warn_gssd(); diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c index bcaa180d6a3f..e0cd04d28352 100644 --- a/net/x25/x25_link.c +++ b/net/x25/x25_link.c @@ -266,7 +266,7 @@ void x25_link_device_up(struct net_device *dev) X25_MASK_PACKET_SIZE | X25_MASK_WINDOW_SIZE; nb->t20 = sysctl_x25_restart_request_timeout; - atomic_set(&nb->refcnt, 1); + refcount_set(&nb->refcnt, 1); write_lock_bh(&x25_neigh_list_lock); list_add(&nb->node, &x25_neigh_list); diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c index 277c8d2448d6..b85b889596e5 100644 --- a/net/x25/x25_route.c +++ b/net/x25/x25_route.c @@ -55,7 +55,7 @@ static int x25_add_route(struct x25_address *address, unsigned int sigdigits, rt->sigdigits = sigdigits; rt->dev = dev; - atomic_set(&rt->refcnt, 1); + refcount_set(&rt->refcnt, 1); list_add(&rt->node, &x25_route_list); rc = 0; diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 9de4b1dbc0ae..923205e279f7 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -116,7 +116,7 @@ struct sec_path *secpath_dup(struct sec_path *src) for (i = 0; i < sp->len; i++) xfrm_state_hold(sp->xvec[i]); } - atomic_set(&sp->refcnt, 1); + refcount_set(&sp->refcnt, 1); return sp; } EXPORT_SYMBOL(secpath_dup); @@ -126,7 +126,7 @@ int secpath_set(struct sk_buff *skb) struct sec_path *sp; /* Allocate new secpath or COW existing one. */ - if (!skb->sp || atomic_read(&skb->sp->refcnt) != 1) { + if (!skb->sp || refcount_read(&skb->sp->refcnt) != 1) { sp = secpath_dup(skb->sp); if (!sp) return -ENOMEM; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 4706df612170..ff61d8557929 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -62,7 +62,7 @@ static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol, static inline bool xfrm_pol_hold_rcu(struct xfrm_policy *policy) { - return atomic_inc_not_zero(&policy->refcnt); + return refcount_inc_not_zero(&policy->refcnt); } static inline bool @@ -292,7 +292,7 @@ struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp) INIT_HLIST_NODE(&policy->bydst); INIT_HLIST_NODE(&policy->byidx); rwlock_init(&policy->lock); - atomic_set(&policy->refcnt, 1); + refcount_set(&policy->refcnt, 1); skb_queue_head_init(&policy->polq.hold_queue); setup_timer(&policy->timer, xfrm_policy_timer, (unsigned long)policy); diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 4a28f669c915..6c0956d10db6 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -48,7 +48,7 @@ static HLIST_HEAD(xfrm_state_gc_list); static inline bool xfrm_state_hold_rcu(struct xfrm_state __rcu *x) { - return atomic_inc_not_zero(&x->refcnt); + return refcount_inc_not_zero(&x->refcnt); } static inline unsigned int xfrm_dst_hash(struct net *net, @@ -558,7 +558,7 @@ struct xfrm_state *xfrm_state_alloc(struct net *net) if (x) { write_pnet(&x->xs_net, net); - atomic_set(&x->refcnt, 1); + refcount_set(&x->refcnt, 1); atomic_set(&x->tunnel_users, 0); INIT_LIST_HEAD(&x->km.all); INIT_HLIST_NODE(&x->bydst); |