percpu-rwsem: remove the unused parameter 'read'

In the function percpu_rwsem_release, the parameter `read`
is unused, so remove it.

Signed-off-by: Wang Long <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Jan Kara <[e-mail]>
Signed-off-by: Christian Brauner <[e-mail]>

fs/super.c

···
 	int level;
 
 	for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--)
-		percpu_rwsem_release(sb->s_writers.rw_sem + level, 0, _THIS_IP_);
+		percpu_rwsem_release(sb->s_writers.rw_sem + level, _THIS_IP_);
 }
 
 /*

include/linux/fs.h

···
 #define __sb_writers_acquired(sb, lev)	\
 	percpu_rwsem_acquire(&(sb)->s_writers.rw_sem[(lev)-1], 1, _THIS_IP_)
 #define __sb_writers_release(sb, lev)	\
-	percpu_rwsem_release(&(sb)->s_writers.rw_sem[(lev)-1], 1, _THIS_IP_)
+	percpu_rwsem_release(&(sb)->s_writers.rw_sem[(lev)-1], _THIS_IP_)
 
 /**
  * __sb_write_started - check if sb freeze level is held

include/linux/percpu-rwsem.h

···
 #define percpu_rwsem_assert_held(sem)	lockdep_assert_held(sem)
 
 static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem,
-					bool read, unsigned long ip)
+					unsigned long ip)
 {
 	lock_release(&sem->dep_map, ip);
 }