diff options
Diffstat (limited to 'include/linux/srcu.h')
| -rw-r--r-- | include/linux/srcu.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 41c4b26fb1c1..127ef3b2e607 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -212,7 +212,7 @@ static inline int srcu_read_lock(struct srcu_struct *ssp) __acquires(ssp) srcu_check_nmi_safety(ssp, false); retval = __srcu_read_lock(ssp); - srcu_lock_acquire(&(ssp)->dep_map); + srcu_lock_acquire(&ssp->dep_map); return retval; } @@ -229,7 +229,7 @@ static inline int srcu_read_lock_nmisafe(struct srcu_struct *ssp) __acquires(ssp srcu_check_nmi_safety(ssp, true); retval = __srcu_read_lock_nmisafe(ssp); - rcu_lock_acquire(&(ssp)->dep_map); + rcu_lock_acquire(&ssp->dep_map); return retval; } @@ -284,7 +284,7 @@ static inline void srcu_read_unlock(struct srcu_struct *ssp, int idx) { WARN_ON_ONCE(idx & ~0x1); srcu_check_nmi_safety(ssp, false); - srcu_lock_release(&(ssp)->dep_map); + srcu_lock_release(&ssp->dep_map); __srcu_read_unlock(ssp, idx); } @@ -300,7 +300,7 @@ static inline void srcu_read_unlock_nmisafe(struct srcu_struct *ssp, int idx) { WARN_ON_ONCE(idx & ~0x1); srcu_check_nmi_safety(ssp, true); - rcu_lock_release(&(ssp)->dep_map); + rcu_lock_release(&ssp->dep_map); __srcu_read_unlock_nmisafe(ssp, idx); } @@ -343,4 +343,9 @@ static inline void smp_mb__after_srcu_read_unlock(void) /* __srcu_read_unlock has smp_mb() internally so nothing to do here. */ } +DEFINE_LOCK_GUARD_1(srcu, struct srcu_struct, + _T->idx = srcu_read_lock(_T->lock), + srcu_read_unlock(_T->lock, _T->idx), + int idx) + #endif |