diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 09:17:17 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 09:17:17 -0800 |
| commit | cbf50a4125f5242dd70b1f2342dbba2d94c6d94e (patch) | |
| tree | a97a067e53f32e246034fbbb07e2c0894c279391 /include/linux/rwsem.h | |
| parent | 7a8ea7ebe4cf698918e7d3c860587e815eaa0f28 (diff) | |
| parent | 7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff) | |
Merge 3.8-rc4 into usb-next
This pulls in all of the -rc4 fixes into usb-next to sync things up.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/rwsem.h')
| -rw-r--r-- | include/linux/rwsem.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 54bd7cd7ecb..8da67d625e1 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -125,8 +125,17 @@ extern void downgrade_write(struct rw_semaphore *sem); */ extern void down_read_nested(struct rw_semaphore *sem, int subclass); extern void down_write_nested(struct rw_semaphore *sem, int subclass); +extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest_lock); + +# define down_write_nest_lock(sem, nest_lock) \ +do { \ + typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ + _down_write_nest_lock(sem, &(nest_lock)->dep_map); \ +} while (0); + #else # define down_read_nested(sem, subclass) down_read(sem) +# define down_write_nest_lock(sem, nest_lock) down_write(sem) # define down_write_nested(sem, subclass) down_write(sem) #endif |