From 4b2c551f77f5a0c496e2125b1d883f4b26aabf2c Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Tue, 9 Oct 2012 14:49:54 -0700 Subject: lglock: add DEFINE_STATIC_LGLOCK() When the lglock doesn't need to be exported we can use DEFINE_STATIC_LGLOCK(). Signed-off-by: Lai Jiangshan Cc: Alexander Viro Cc: Rusty Russell Cc: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Al Viro --- include/linux/lglock.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'include/linux/lglock.h') diff --git a/include/linux/lglock.h b/include/linux/lglock.h index 8f974517c48a..0d24e932db0b 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -32,7 +32,8 @@ #define br_write_lock(name) lg_global_lock(name) #define br_write_unlock(name) lg_global_unlock(name) -#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name) +#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name) +#define DEFINE_STATIC_BRLOCK(name) DEFINE_STATIC_LGLOCK(name) #ifdef CONFIG_DEBUG_LOCK_ALLOC #define LOCKDEP_INIT_MAP lockdep_init_map @@ -53,6 +54,11 @@ struct lglock { = __ARCH_SPIN_LOCK_UNLOCKED; \ struct lglock name = { .lock = &name ## _lock } +#define DEFINE_STATIC_LGLOCK(name) \ + static DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \ + = __ARCH_SPIN_LOCK_UNLOCKED; \ + static struct lglock name = { .lock = &name ## _lock } + void lg_lock_init(struct lglock *lg, char *name); void lg_local_lock(struct lglock *lg); void lg_local_unlock(struct lglock *lg); -- cgit v1.2.3