1228 	spinlock_t stat_lock;			/* lock for stat operations */  member
1658 	spin_lock(&sbi->stat_lock);  in inc_valid_block_count()
1674 			spin_unlock(&sbi->stat_lock);  in inc_valid_block_count()
1679 	spin_unlock(&sbi->stat_lock);  in inc_valid_block_count()
1697 	spin_lock(&sbi->stat_lock);  in dec_valid_block_count()
1705 	spin_unlock(&sbi->stat_lock);  in dec_valid_block_count()
1865 	spin_lock(&sbi->stat_lock);  in inc_valid_node_count()
1874 		spin_unlock(&sbi->stat_lock);  in inc_valid_node_count()
1880 		spin_unlock(&sbi->stat_lock);  in inc_valid_node_count()
1886 	spin_unlock(&sbi->stat_lock);  in inc_valid_node_count()
1907 	spin_lock(&sbi->stat_lock);  in dec_valid_node_count()
1919 	spin_unlock(&sbi->stat_lock);  in dec_valid_node_count()