456 	spinlock_t *rsv_lock = &EXT2_SB(inode->i_sb)->s_rsv_window_lock;  in ext2_discard_reservation()  local
463 		spin_lock(rsv_lock);  in ext2_discard_reservation()
466 		spin_unlock(rsv_lock);  in ext2_discard_reservation()
883 	spinlock_t *rsv_lock = &EXT2_SB(sb)->s_rsv_window_lock;  in alloc_new_reservation()  local
930 	spin_lock(rsv_lock);  in alloc_new_reservation()
950 		spin_unlock(rsv_lock);  in alloc_new_reservation()
963 	spin_unlock(rsv_lock);  in alloc_new_reservation()
973 		spin_lock(rsv_lock);  in alloc_new_reservation()
976 		spin_unlock(rsv_lock);  in alloc_new_reservation()
994 	spin_lock(rsv_lock);  in alloc_new_reservation()
1020 	spinlock_t *rsv_lock = &EXT2_SB(sb)->s_rsv_window_lock;  in try_to_extend_reservation()  local
1022 	if (!spin_trylock(rsv_lock))  in try_to_extend_reservation()
1037 	spin_unlock(rsv_lock);  in try_to_extend_reservation()