Merge ../ntfs-2.6-devel

[linux-2.6-omap-h63xx.git] / arch / s390 / lib / spinlock.c

diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 888b5596c195d5123a24b60099b46f2c6f3634aa..60f80a4eed4e52cfc99756738024738a42537237 100644 (file)
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <asm/io.h>
 
-atomic_t spin_retry_counter;
 int spin_retry = 1000;
 
 /**
@@ -29,14 +28,14 @@ __setup("spin_retry=", spin_retry_setup);
 static inline void
 _diag44(void)
 {
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
        if (MACHINE_HAS_DIAG44)
 #endif
                asm volatile("diag 0,0,0x44");
 }
 
 void
-_raw_spin_lock_wait(spinlock_t *lp, unsigned int pc)
+_raw_spin_lock_wait(raw_spinlock_t *lp, unsigned int pc)
 {
        int count = spin_retry;
 
@@ -45,7 +44,6 @@ _raw_spin_lock_wait(spinlock_t *lp, unsigned int pc)
                        _diag44();
                        count = spin_retry;
                }
-               atomic_inc(&spin_retry_counter);
                if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
                        return;
        }
@@ -53,12 +51,11 @@ _raw_spin_lock_wait(spinlock_t *lp, unsigned int pc)
 EXPORT_SYMBOL(_raw_spin_lock_wait);
 
 int
-_raw_spin_trylock_retry(spinlock_t *lp, unsigned int pc)
+_raw_spin_trylock_retry(raw_spinlock_t *lp, unsigned int pc)
 {
        int count = spin_retry;
 
        while (count-- > 0) {
-               atomic_inc(&spin_retry_counter);
                if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
                        return 1;
        }
@@ -67,7 +64,7 @@ _raw_spin_trylock_retry(spinlock_t *lp, unsigned int pc)
 EXPORT_SYMBOL(_raw_spin_trylock_retry);
 
 void
-_raw_read_lock_wait(rwlock_t *rw)
+_raw_read_lock_wait(raw_rwlock_t *rw)
 {
        unsigned int old;
        int count = spin_retry;
@@ -77,7 +74,6 @@ _raw_read_lock_wait(rwlock_t *rw)
                        _diag44();
                        count = spin_retry;
                }
-               atomic_inc(&spin_retry_counter);
                old = rw->lock & 0x7fffffffU;
                if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
                        return;
@@ -86,13 +82,12 @@ _raw_read_lock_wait(rwlock_t *rw)
 EXPORT_SYMBOL(_raw_read_lock_wait);
 
 int
-_raw_read_trylock_retry(rwlock_t *rw)
+_raw_read_trylock_retry(raw_rwlock_t *rw)
 {
        unsigned int old;
        int count = spin_retry;
 
        while (count-- > 0) {
-               atomic_inc(&spin_retry_counter);
                old = rw->lock & 0x7fffffffU;
                if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
                        return 1;
@@ -102,7 +97,7 @@ _raw_read_trylock_retry(rwlock_t *rw)
 EXPORT_SYMBOL(_raw_read_trylock_retry);
 
 void
-_raw_write_lock_wait(rwlock_t *rw)
+_raw_write_lock_wait(raw_rwlock_t *rw)
 {
        int count = spin_retry;
 
@@ -111,7 +106,6 @@ _raw_write_lock_wait(rwlock_t *rw)
                        _diag44();
                        count = spin_retry;
                }
-               atomic_inc(&spin_retry_counter);
                if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
                        return;
        }
@@ -119,12 +113,11 @@ _raw_write_lock_wait(rwlock_t *rw)
 EXPORT_SYMBOL(_raw_write_lock_wait);
 
 int
-_raw_write_trylock_retry(rwlock_t *rw)
+_raw_write_trylock_retry(raw_rwlock_t *rw)
 {
        int count = spin_retry;
 
        while (count-- > 0) {
-               atomic_inc(&spin_retry_counter);
                if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
                        return 1;
        }