atomic: use <linux/atomic.h>

This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <asharma@fb.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

50 files changed, 58 insertions, 49 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 7a8db41..2dcb72b 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -7,7 +7,7 @@
 #include <linux/uio.h>
 #include <linux/rcupdate.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define AIO_MAXSEGS		4
 #define AIO_KIOGRP_NR_ATOMIC	8
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 381f4ce..49a83ca 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -220,7 +220,7 @@ struct atm_cirange {
 #include <linux/skbuff.h> /* struct sk_buff */
 #include <linux/uio.h>
 #include <net/sock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #ifdef CONFIG_PROC_FS
 #include <linux/proc_fs.h>
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index bc6615d..66fed63 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -3,6 +3,15 @@
 #include <asm/atomic.h>
 
 /**
+ * atomic_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1, so long as @v is non-zero.
+ * Returns non-zero if @v was non-zero, and zero otherwise.
+ */
+#define atomic_inc_not_zero(v)		atomic_add_unless((v), 1, 0)
+
+/**
  * atomic_inc_not_zero_hint - increment if not null
  * @v: pointer of type atomic_t
  * @hint: probable value of the atomic before the increment
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index a008982..3b2f9cb 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -16,7 +16,7 @@
 #include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/writeback.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct page;
 struct device;
diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index 564d997..ac4d9f8 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -3,7 +3,7 @@
 
 #include <linux/kernel.h>
 #include <linux/preempt.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  *  bit-based spin_lock()
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 503c8a6..458f497 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -12,7 +12,7 @@
 #include <linux/linkage.h>
 #include <linux/pagemap.h>
 #include <linux/wait.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #ifdef CONFIG_BLOCK
 
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 645778a..3081c58 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -42,7 +42,7 @@
 #include <linux/mutex.h>
 #include <linux/err.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define CONFIGFS_ITEM_NAME_LEN	20
 
diff --git a/include/linux/connector.h b/include/linux/connector.h
index f696bcc..0c69ad8 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -75,7 +75,7 @@ struct cn_msg {
 
 #ifdef __KERNEL__
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include <linux/list.h>
 #include <linux/workqueue.h>
diff --git a/include/linux/cred.h b/include/linux/cred.h
index f240f2f..48e82af 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/key.h>
 #include <linux/selinux.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct user_struct;
 struct cred;
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index a6a7a1c..e5e468e 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -17,7 +17,7 @@
 #ifndef _LINUX_CRYPTO_H
 #define _LINUX_CRYPTO_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 3f22d8d..d37d2a7 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -1,7 +1,7 @@
 #ifndef __LINUX_DCACHE_H
 #define __LINUX_DCACHE_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/list.h>
 #include <linux/rculist.h>
 #include <linux/rculist_bl.h>
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 2833452..5033fb8 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -2,7 +2,7 @@
 #define __LINUX_DEBUG_LOCKING_H
 
 #include <linux/kernel.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/system.h>
 
 struct task_struct;
diff --git a/include/linux/device.h b/include/linux/device.h
index 160d4dd..c20dfbf 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -22,7 +22,7 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pm.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/device.h>
 
 struct device;
diff --git a/include/linux/edac.h b/include/linux/edac.h
index 36c6644..4a73257 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -12,7 +12,7 @@
 #ifndef _LINUX_EDAC_H_
 #define _LINUX_EDAC_H_
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/sysdev.h>
 
 #define EDAC_OPSTATE_INVAL	-1
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index a842db6..3ff060a 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -5,7 +5,7 @@
 
 #include <linux/types.h>
 #include <linux/debugfs.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * For explanation of the elements of this struct, see
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index df7e3cf..82163c4 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * The default fd array needs to be at least BITS_PER_LONG,
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 9ee3f9f..741956f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -9,7 +9,7 @@
 #include <linux/types.h>
 
 #ifdef __KERNEL__
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #endif
 
 /*
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index 5e6f427..84ccf8e 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -14,7 +14,7 @@
 #include <linux/types.h>
 #include <linux/workqueue.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/byteorder.h>
 
 #define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 69ad89b..91d0e0a3 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -16,7 +16,7 @@
 #include <linux/spinlock.h>
 #include <linux/types.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * IN_* from inotfy.h lines up EXACTLY with FS_*, this is so we can easily
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index f6efed0..a103732 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -17,7 +17,7 @@
 #include <linux/kref.h>
 #include <linux/workqueue.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
 #include <trace/events/irq.h>
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 83e745f..66f23dc 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -54,7 +54,7 @@ extern void jump_label_apply_nops(struct module *mod);
 
 #else
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define JUMP_LABEL_INIT {ATOMIC_INIT(0)}
 
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index aadff7c..529d9a0 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -16,7 +16,7 @@
 #ifdef	CONFIG_KGDB_KDB
 #include <linux/init.h>
 #include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define KDB_POLL_FUNC_MAX	5
 extern int kdb_poll_idx;
diff --git a/include/linux/key.h b/include/linux/key.h
index 6ea4eeb..183a6af 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -21,7 +21,7 @@
 #include <linux/rcupdate.h>
 #include <linux/sysctl.h>
 #include <linux/rwsem.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #ifdef __KERNEL__
 
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 10ca03d..fa39183 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -16,7 +16,7 @@
 #include <linux/serial_8250.h>
 #include <linux/linkage.h>
 #include <linux/init.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #ifdef CONFIG_HAVE_ARCH_KGDB
 #include <asm/kgdb.h>
 #endif
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 9229b64..668729c 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -25,7 +25,7 @@
 #include <linux/kobject_ns.h>
 #include <linux/kernel.h>
 #include <linux/wait.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define UEVENT_HELPER_PATH_LEN		256
 #define UEVENT_NUM_ENVP			32	/* number of env pointers */
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 387329e..53ef894 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -37,7 +37,7 @@
 #include <linux/completion.h>
 #include <linux/radix-tree.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define MAX_MSIX_P_PORT		17
 #define MAX_MSIX		64
diff --git a/include/linux/mman.h b/include/linux/mman.h
index 9872d6c..8b74e9b 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -14,7 +14,7 @@
 #include <linux/mm.h>
 #include <linux/percpu_counter.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 0a2d3d6..be1ac8d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -16,7 +16,7 @@
 #include <linux/nodemask.h>
 #include <linux/pageblock-flags.h>
 #include <generated/bounds.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/page.h>
 
 /* Free memory management - zoned buddy allocator.  */
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 604f122..33fe53d 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -14,7 +14,7 @@
 #include <linux/nodemask.h>
 #include <linux/spinlock.h>
 #include <linux/seqlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct super_block;
 struct vfsmount;
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 7f87217..9121595 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -15,7 +15,7 @@
 #include <linux/linkage.h>
 #include <linux/lockdep.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * Simple, straightforward mutexes with strict semantics:
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ea6f4aa..2ed0b6c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -34,7 +34,7 @@
 #include <linux/pm_qos_params.h>
 #include <linux/timer.h>
 #include <linux/delay.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/cache.h>
 #include <asm/byteorder.h>
 
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 87694ca..08c444a 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -7,7 +7,7 @@
 #include <linux/nfs_xdr.h>
 #include <linux/sunrpc/xprt.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct nfs4_session;
 struct nfs_iostats;
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 7f5cfd3..49c8727 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -18,7 +18,7 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/printk.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
  
 /* Each escaped entry is prefixed by ESCAPE_CODE
  * then one of the following codes, then the
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 4e4203a..3a5626d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -49,7 +49,7 @@
 #include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/kobject.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/device.h>
 #include <linux/io.h>
 #include <linux/irqreturn.h>
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3f2711c..245bafd 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -509,7 +509,7 @@ struct perf_guest_info_callbacks {
 #include <linux/cpu.h>
 #include <linux/irq_work.h>
 #include <linux/jump_label.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/local.h>
 
 #define PERF_MAX_STACK_DEPTH		255
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 7da5fa8..ad51863 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -26,7 +26,7 @@
 #include <linux/workqueue.h>
 #include <linux/mod_devicetable.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define PHY_BASIC_FEATURES	(SUPPORTED_10baseT_Half | \
 				 SUPPORTED_10baseT_Full | \
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index e7576cf..650af6d 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -5,7 +5,7 @@
 #include <linux/fs.h>
 #include <linux/spinlock.h>
 #include <linux/magic.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct net;
 struct completion;
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 313b7de..cb78556 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -180,7 +180,7 @@ enum {
 #include <linux/dqblk_v1.h>
 #include <linux/dqblk_v2.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */
 typedef long long qsize_t;	/* Type in which we store sizes */
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 77950df..6a67414 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -15,7 +15,7 @@
 #include <linux/spinlock.h>
 
 #include <asm/system.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct rw_semaphore;
 
diff --git a/include/linux/sem.h b/include/linux/sem.h
index f2961af..1feb2de 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -77,7 +77,7 @@ struct  seminfo {
 #define SEMUSZ  20		/* sizeof struct sem_undo */
 
 #ifdef __KERNEL__
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/rcupdate.h>
 #include <linux/cache.h>
 
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a24218c..7b996ed 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -20,7 +20,7 @@
 #include <linux/time.h>
 #include <linux/cache.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/types.h>
 #include <linux/spinlock.h>
 #include <linux/net.h>
diff --git a/include/linux/sonet.h b/include/linux/sonet.h
index 67ad11f..de8832d 100644
--- a/include/linux/sonet.h
+++ b/include/linux/sonet.h
@@ -58,7 +58,7 @@ struct sonet_stats {
 
 #ifdef __KERNEL__
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct k_sonet_stats {
 #define __HANDLE_ITEM(i) atomic_t i
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 0b22d51..7df6c17 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -384,7 +384,7 @@ static inline void assert_spin_locked(spinlock_t *lock)
  * Pull the atomic_t declaration:
  * (asm-mips/atomic.h needs above definitions)
  */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 /**
  * atomic_dec_and_lock - lock on reaching reference count zero
  * @atomic: the atomic counter
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 8521067..febc4db 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -15,7 +15,7 @@
 #include <linux/sunrpc/msg_prot.h>
 #include <linux/sunrpc/xdr.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/rcupdate.h>
 
 /* size of the nodename buffer */
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index d1c79a9..5efd8ce 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -15,7 +15,7 @@
 
 #include <linux/kref.h>
 #include <linux/slab.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/proc_fs.h>
 
 /*
diff --git a/include/linux/sunrpc/timer.h b/include/linux/sunrpc/timer.h
index a67fd73..697d6e6 100644
--- a/include/linux/sunrpc/timer.h
+++ b/include/linux/sunrpc/timer.h
@@ -9,7 +9,7 @@
 #ifndef _LINUX_SUNRPC_TIMER_H
 #define _LINUX_SUNRPC_TIMER_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct rpc_rtt {
 	unsigned long timeo;	/* default timeout value */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 91d5fcc..14d6249 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -9,7 +9,7 @@
 #include <linux/sched.h>
 #include <linux/node.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/page.h>
 
 struct notifier_block;
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index e2696d7..d7d2f21 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -17,7 +17,7 @@
 #include <linux/list.h>
 #include <linux/lockdep.h>
 #include <linux/kobject_ns.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct kobject;
 struct module;
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index bcd942f..65efb92d 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -6,7 +6,7 @@
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/vm_event_item.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 extern int sysctl_stat_interval;
 
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 2be2887..0d556de 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -10,7 +10,7 @@
 #include <linux/bitops.h>
 #include <linux/lockdep.h>
 #include <linux/threads.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 struct workqueue_struct;