summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/ubi/ubi.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
-rw-r--r--drivers/mtd/ubi/ubi.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index fd9b20da5b6b..6d929329a8d5 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -105,6 +105,10 @@ enum {
*
* MOVE_CANCEL_RACE: canceled because the volume is being deleted, the source
* PEB was put meanwhile, or there is I/O on the source PEB
+ * MOVE_SOURCE_RD_ERR: canceled because there was a read error from the source
+ * PEB
+ * MOVE_TARGET_RD_ERR: canceled because there was a read error from the target
+ * PEB
* MOVE_TARGET_WR_ERR: canceled because there was a write error to the target
* PEB
* MOVE_CANCEL_BITFLIPS: canceled because a bit-flip was detected in the
@@ -112,6 +116,8 @@ enum {
*/
enum {
MOVE_CANCEL_RACE = 1,
+ MOVE_SOURCE_RD_ERR,
+ MOVE_TARGET_RD_ERR,
MOVE_TARGET_WR_ERR,
MOVE_CANCEL_BITFLIPS,
};
@@ -334,14 +340,15 @@ struct ubi_wl_entry;
* @alc_mutex: serializes "atomic LEB change" operations
*
* @used: RB-tree of used physical eraseblocks
+ * @erroneous: RB-tree of erroneous used physical eraseblocks
* @free: RB-tree of free physical eraseblocks
* @scrub: RB-tree of physical eraseblocks which need scrubbing
* @pq: protection queue (contain physical eraseblocks which are temporarily
* protected from the wear-leveling worker)
* @pq_head: protection queue head
* @wl_lock: protects the @used, @free, @pq, @pq_head, @lookuptbl, @move_from,
- * @move_to, @move_to_put @erase_pending, @wl_scheduled and @works
- * fields
+ * @move_to, @move_to_put @erase_pending, @wl_scheduled, @works and
+ * @erroneous_peb_count fields
* @move_mutex: serializes eraseblock moves
* @work_sem: synchronizes the WL worker with use tasks
* @wl_scheduled: non-zero if the wear-leveling was scheduled
@@ -361,6 +368,8 @@ struct ubi_wl_entry;
* @peb_size: physical eraseblock size
* @bad_peb_count: count of bad physical eraseblocks
* @good_peb_count: count of good physical eraseblocks
+ * @erroneous_peb_count: count of erroneous physical eraseblocks in @erroneous
+ * @max_erroneous: maximum allowed amount of erroneous physical eraseblocks
* @min_io_size: minimal input/output unit size of the underlying MTD device
* @hdrs_min_io_size: minimal I/O unit size used for VID and EC headers
* @ro_mode: if the UBI device is in read-only mode
@@ -418,6 +427,7 @@ struct ubi_device {
/* Wear-leveling sub-system's stuff */
struct rb_root used;
+ struct rb_root erroneous;
struct rb_root free;
struct rb_root scrub;
struct list_head pq[UBI_PROT_QUEUE_LEN];
@@ -442,6 +452,8 @@ struct ubi_device {
int peb_size;
int bad_peb_count;
int good_peb_count;
+ int erroneous_peb_count;
+ int max_erroneous;
int min_io_size;
int hdrs_min_io_size;
int ro_mode;