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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-10-17 02:36:32 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-10-17 02:36:32 -0700 |
| commit | c29a017f9df34d190fbc7917d30dbefce7d9dc1f (patch) | |
| tree | 98919b99c7aba0404c4fdbbf953dc72084509c06 /include/linux/percpu-rwsem.h | |
| parent | d4a596eddb90114f5f5f32a440057a175517b090 (diff) | |
| parent | 9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff) | |
Merge tag 'v6.1-rc1' into next
Merge with mainline to bring in the latest changes to twl4030 driver.
Diffstat (limited to 'include/linux/percpu-rwsem.h')
| -rw-r--r-- | include/linux/percpu-rwsem.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index 5fda40f97fe9..36b942b67b7d 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -121,9 +121,15 @@ static inline void percpu_up_read(struct percpu_rw_semaphore *sem) preempt_enable(); } +extern bool percpu_is_read_locked(struct percpu_rw_semaphore *); extern void percpu_down_write(struct percpu_rw_semaphore *); extern void percpu_up_write(struct percpu_rw_semaphore *); +static inline bool percpu_is_write_locked(struct percpu_rw_semaphore *sem) +{ + return atomic_read(&sem->block); +} + extern int __percpu_init_rwsem(struct percpu_rw_semaphore *, const char *, struct lock_class_key *); |