diff --git a/fs/file_table.c b/fs/file_table.c index dac67923330f76eff9f4f961d73e5a3b1f1053db..a72bf9ddd0d2b56781bc84b591f45ff4e4627a93 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -36,7 +36,7 @@ struct files_stat_struct files_stat = { .max_files = NR_FILE }; -DEFINE_LGLOCK(files_lglock); +DEFINE_STATIC_LGLOCK(files_lglock); /* SLAB cache for file structures */ static struct kmem_cache *filp_cachep __read_mostly; diff --git a/include/linux/lglock.h b/include/linux/lglock.h index 8f974517c48a2171e301bf6672bb0ef8b6c0ad3d..0d24e932db0b62c97337069985f794276a455b83 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);