diff options
Diffstat (limited to 'include/linux/percpu-rwsem.h')
| -rw-r--r-- | include/linux/percpu-rwsem.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index d2146a4f833e..3e88c9a7d57f 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -5,6 +5,7 @@ #include <linux/rwsem.h> #include <linux/percpu.h> #include <linux/wait.h> +#include <linux/lockdep.h> struct percpu_rw_semaphore { unsigned int __percpu *fast_read_ctr; @@ -20,7 +21,14 @@ extern void percpu_up_read(struct percpu_rw_semaphore *); extern void percpu_down_write(struct percpu_rw_semaphore *); extern void percpu_up_write(struct percpu_rw_semaphore *); -extern int percpu_init_rwsem(struct percpu_rw_semaphore *); +extern int __percpu_init_rwsem(struct percpu_rw_semaphore *, + const char *, struct lock_class_key *); extern void percpu_free_rwsem(struct percpu_rw_semaphore *); +#define percpu_init_rwsem(brw) \ +({ \ + static struct lock_class_key rwsem_key; \ + __percpu_init_rwsem(brw, #brw, &rwsem_key); \ +}) + #endif |