diff options
| -rw-r--r-- | drivers/mtd/ubi/scan.c | 27 | ||||
| -rw-r--r-- | drivers/mtd/ubi/scan.h | 19 |
2 files changed, 31 insertions, 15 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index c459007..a20f278 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -72,16 +72,19 @@ static int add_to_list(struct ubi_scan_info *si, int pnum, int ec, { struct ubi_scan_leb *seb; - if (list == &si->free) + if (list == &si->free) { dbg_bld("add to free: PEB %d, EC %d", pnum, ec); - else if (list == &si->erase) + si->free_peb_count += 1; + } else if (list == &si->erase) { dbg_bld("add to erase: PEB %d, EC %d", pnum, ec); - else if (list == &si->corr) { + si->erase_peb_count += 1; + } else if (list == &si->corr) { dbg_bld("add to corrupted: PEB %d, EC %d", pnum, ec); - si->corr_count += 1; - } else if (list == &si->alien) + si->corr_peb_count += 1; + } else if (list == &si->alien) { dbg_bld("add to alien: PEB %d, EC %d", pnum, ec); - else + si->alien_peb_count += 1; + } else BUG(); seb = kmalloc(sizeof(struct ubi_scan_leb), GFP_KERNEL); @@ -517,6 +520,7 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si, sv->leb_count += 1; rb_link_node(&seb->u.rb, parent, p); rb_insert_color(&seb->u.rb, &sv->root); + si->used_peb_count += 1; return 0; } @@ -751,7 +755,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, * corrupted. Set %bitflips flag in order to make this PEB be * moved and EC be re-created. */ - ec_corr = 1; + ec_corr = err; ec = UBI_SCAN_UNKNOWN_EC; bitflips = 1; } @@ -816,6 +820,9 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, else if (err == UBI_IO_BAD_HDR_READ || err == UBI_IO_BAD_HDR || (err == UBI_IO_PEB_FREE && ec_corr)) { /* VID header is corrupted */ + if (err == UBI_IO_BAD_HDR_READ || + ec_corr == UBI_IO_BAD_HDR_READ) + si->read_err_count += 1; err = add_to_list(si, pnum, ec, &si->corr); if (err) return err; @@ -855,7 +862,6 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, err = add_to_list(si, pnum, ec, &si->alien); if (err) return err; - si->alien_peb_count += 1; return 0; case UBI_COMPAT_REJECT: @@ -943,8 +949,9 @@ struct ubi_scan_info *ubi_scan(struct ubi_device *ubi) * unclean reboots. However, many of them may indicate some problems * with the flash HW or driver. Print a warning in this case. */ - if (si->corr_count >= 8 || si->corr_count >= ubi->peb_count / 4) { - ubi_warn("%d PEBs are corrupted", si->corr_count); + if (si->corr_peb_count >= 8 || + si->corr_peb_count >= ubi->peb_count / 4) { + ubi_warn("%d PEBs are corrupted", si->corr_peb_count); printk(KERN_WARNING "corrupted PEBs are:"); list_for_each_entry(seb, &si->corr, u.list) printk(KERN_CONT " %d", seb->pnum); diff --git a/drivers/mtd/ubi/scan.h b/drivers/mtd/ubi/scan.h index ff179ad..2576a8d 100644 --- a/drivers/mtd/ubi/scan.h +++ b/drivers/mtd/ubi/scan.h @@ -91,10 +91,16 @@ struct ubi_scan_volume { * @erase: list of physical eraseblocks which have to be erased * @alien: list of physical eraseblocks which should not be used by UBI (e.g., * those belonging to "preserve"-compatible internal volumes) + * @used_peb_count: count of used PEBs + * @corr_peb_count: count of PEBs in the @corr list + * @read_err_count: count of PEBs read with error (%UBI_IO_BAD_HDR_READ was + * returned) + * @free_peb_count: count of PEBs in the @free list + * @erase_peb_count: count of PEBs in the @erase list + * @alien_peb_count: count of PEBs in the @alien list * @bad_peb_count: count of bad physical eraseblocks * @vols_found: number of volumes found during scanning * @highest_vol_id: highest volume ID - * @alien_peb_count: count of physical eraseblocks in the @alien list * @is_empty: flag indicating whether the MTD device is empty or not * @min_ec: lowest erase counter value * @max_ec: highest erase counter value @@ -102,7 +108,6 @@ struct ubi_scan_volume { * @mean_ec: mean erase counter value * @ec_sum: a temporary variable used when calculating @mean_ec * @ec_count: a temporary variable used when calculating @mean_ec - * @corr_count: count of corrupted PEBs * * This data structure contains the result of scanning and may be used by other * UBI sub-systems to build final UBI data structures, further error-recovery @@ -114,10 +119,15 @@ struct ubi_scan_info { struct list_head free; struct list_head erase; struct list_head alien; + int used_peb_count; + int corr_peb_count; + int read_err_count; + int free_peb_count; + int erase_peb_count; + int alien_peb_count; int bad_peb_count; int vols_found; int highest_vol_id; - int alien_peb_count; int is_empty; int min_ec; int max_ec; @@ -125,7 +135,6 @@ struct ubi_scan_info { int mean_ec; uint64_t ec_sum; int ec_count; - int corr_count; }; struct ubi_device; @@ -135,7 +144,7 @@ struct ubi_vid_hdr; * ubi_scan_move_to_list - move a PEB from the volume tree to a list. * * @sv: volume scanning information - * @seb: scanning eraseblock infprmation + * @seb: scanning eraseblock information * @list: the list to move to */ static inline void ubi_scan_move_to_list(struct ubi_scan_volume *sv, |