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| author | Jakub Kicinski <kuba@kernel.org> | 2022-01-27 12:54:16 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-01-27 12:54:16 -0800 |
| commit | 72d044e4bfa6bd9096536e2e1c62aecfe1a525e4 (patch) | |
| tree | 0e408f181f5c704ff43cd006f4643c339e04aff1 /include/linux/rwlock_rt.h | |
| parent | e2cf07654efb0fd7bbcb475c6f74be7b5755a8fd (diff) | |
| parent | 23a46422c56144939c091c76cf389aa863ce9c18 (diff) | |
| download | linux-next-72d044e4bfa6bd9096536e2e1c62aecfe1a525e4.tar.gz linux-next-72d044e4bfa6bd9096536e2e1c62aecfe1a525e4.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/rwlock_rt.h')
| -rw-r--r-- | include/linux/rwlock_rt.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/rwlock_rt.h b/include/linux/rwlock_rt.h index 49c1f3842ed5..8544ff05e594 100644 --- a/include/linux/rwlock_rt.h +++ b/include/linux/rwlock_rt.h @@ -28,6 +28,7 @@ extern void rt_read_lock(rwlock_t *rwlock); extern int rt_read_trylock(rwlock_t *rwlock); extern void rt_read_unlock(rwlock_t *rwlock); extern void rt_write_lock(rwlock_t *rwlock); +extern void rt_write_lock_nested(rwlock_t *rwlock, int subclass); extern int rt_write_trylock(rwlock_t *rwlock); extern void rt_write_unlock(rwlock_t *rwlock); @@ -83,6 +84,15 @@ static __always_inline void write_lock(rwlock_t *rwlock) rt_write_lock(rwlock); } +#ifdef CONFIG_DEBUG_LOCK_ALLOC +static __always_inline void write_lock_nested(rwlock_t *rwlock, int subclass) +{ + rt_write_lock_nested(rwlock, subclass); +} +#else +#define write_lock_nested(lock, subclass) rt_write_lock(((void)(subclass), (lock))) +#endif + static __always_inline void write_lock_bh(rwlock_t *rwlock) { local_bh_disable(); |