*/
void ubi_calculate_reserved(struct ubi_device *ubi)
{
- ubi->beb_rsvd_level = ubi->good_peb_count/100;
- ubi->beb_rsvd_level *= CONFIG_MTD_UBI_BEB_RESERVE;
- if (ubi->beb_rsvd_level < MIN_RESEVED_PEBS)
- ubi->beb_rsvd_level = MIN_RESEVED_PEBS;
+ /*
+ * Calculate the actual number of PEBs currently needed to be reserved
+ * for future bad eraseblock handling.
+ */
+ ubi->beb_rsvd_level = ubi->bad_peb_limit - ubi->bad_peb_count;
+ if (ubi->beb_rsvd_level < 0) {
+ ubi->beb_rsvd_level = 0;
+ ubi_warn("number of bad PEBs (%d) is above the expected limit (%d), not reserving any PEBs for bad PEB handling, will use available PEBs (if any)",
+ ubi->bad_peb_count, ubi->bad_peb_limit);
+ }
}
/**