4 #define OBD_SNAP_MAGIC 0x47224722
6 #define SNAP_MAX 8 /* must fit in "u" area of struct inode */
8 int snap_dev; /* which device contains the data */
9 unsigned int snap_no; /* which snapshot are we accessing */
10 unsigned int snap_count; /* how many snapshots exist */
11 time_t snap_times[SNAP_MAX];
15 unsigned int snap_no; /* which snapshot are we accessing */
16 unsigned int snap_count; /* how many snapshots exist */
17 time_t snap_times[SNAP_MAX];
20 struct snap_object_data {
22 /* id of snaps of object; slot 0 has the current data */
23 unsigned long od_ids[SNAP_MAX + 1];