1245 void __sb_end_write(struct super_block *sb, int level)  in __sb_end_write()  argument
1247 	percpu_up_read(sb->s_writers.rw_sem + level-1);  in __sb_end_write()
1255 int __sb_start_write(struct super_block *sb, int level, bool wait)  in __sb_start_write()  argument
1273 		for (i = 0; i < level - 1; i++)  in __sb_start_write()
1281 		percpu_down_read(sb->s_writers.rw_sem + level-1);  in __sb_start_write()
1283 		ret = percpu_down_read_trylock(sb->s_writers.rw_sem + level-1);  in __sb_start_write()
1298 static void sb_wait_write(struct super_block *sb, int level)  in sb_wait_write()  argument
1300 	percpu_down_write(sb->s_writers.rw_sem + level-1);  in sb_wait_write()
1309 	int level;  in lockdep_sb_freeze_release()  local
1311 	for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--)  in lockdep_sb_freeze_release()
1312 		percpu_rwsem_release(sb->s_writers.rw_sem + level, 0, _THIS_IP_);  in lockdep_sb_freeze_release()
1320 	int level;  in lockdep_sb_freeze_acquire()  local
1322 	for (level = 0; level < SB_FREEZE_LEVELS; ++level)  in lockdep_sb_freeze_acquire()
1323 		percpu_rwsem_acquire(sb->s_writers.rw_sem + level, 0, _THIS_IP_);  in lockdep_sb_freeze_acquire()
1328 	int level;  in sb_freeze_unlock()  local
1330 	for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--)  in sb_freeze_unlock()
1331 		percpu_up_write(sb->s_writers.rw_sem + level);  in sb_freeze_unlock()