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| author | Shmulik Ladkani <shmulik.ladkani@gmail.com> | 2012-07-04 11:06:00 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-09-04 09:38:58 +0300 |
| commit | 8beeb3bb9df8caba36ad3e4f226255dff9c92556 (patch) | |
| tree | 4758809d39183d7aaccaa8178c5d5150c2bf1a9d /drivers/mtd/ubi/ubi.h | |
| parent | afe7d12b6d997ff8ceff02e405eae9ba54aa8350 (diff) | |
| download | linux-stable-8beeb3bb9df8caba36ad3e4f226255dff9c92556.tar.gz linux-stable-8beeb3bb9df8caba36ad3e4f226255dff9c92556.tar.bz2 linux-stable-8beeb3bb9df8caba36ad3e4f226255dff9c92556.zip | |
UBI: introduce new bad PEB limit
Introduce 'ubi->bad_peb_limit', which specifies an upper limit of PEBs
UBI expects to go bad. Currently, it is initialized to a fixed percentage
of total PEBs in the UBI device (configurable via CONFIG_MTD_UBI_BEB_LIMIT).
The 'bad_peb_limit' is intended to be used for calculating the amount of PEBs
UBI needs to reserve for bad eraseblock handling.
Artem: minor amendments.
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 84f66e3fa05d..aeb459eb7e42 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -363,6 +363,7 @@ struct ubi_wl_entry; * @flash_size: underlying MTD device size (in bytes) * @peb_count: count of physical eraseblocks on the MTD device * @peb_size: physical eraseblock size + * @bad_peb_limit: top limit of expected bad physical eraseblocks * @bad_peb_count: count of bad physical eraseblocks * @good_peb_count: count of good physical eraseblocks * @corr_peb_count: count of corrupted physical eraseblocks (preserved and not @@ -410,6 +411,7 @@ struct ubi_device { int avail_pebs; int beb_rsvd_pebs; int beb_rsvd_level; + int bad_peb_limit; int autoresize_vol_id; int vtbl_slots; |