Merge tag 'dmaengine-fix-4.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma

[linux-2.6-block.git] / include / linux / rwsem.h

diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index d1c12d160ace1491ad097477a03aa6820d304046..d37fbb34d06fed4494b3152300d71aba23663f63 100644 (file)
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -156,6 +156,7 @@ 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 int down_write_killable_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)                  \
@@ -176,6 +177,7 @@ extern void up_read_non_owner(struct rw_semaphore *sem);
 # 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)
+# define down_write_killable_nested(sem, subclass)     down_write_killable(sem)
 # define down_read_non_owner(sem)              down_read(sem)
 # define up_read_non_owner(sem)                        up_read(sem)
 #endif