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| author | Adrian Hunter <adrian.hunter@nokia.com> | 2009-06-26 14:58:01 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-07-05 18:47:07 +0300 |
| commit | 0c6c7fa1313fcb69cae35e34168d2e83b8da854a (patch) | |
| tree | 5ba3c6eda144b060829529096f30c6f83e357d5b /drivers/mtd/ubi/ubi.h | |
| parent | 1398788fe7b730db10e97dcb9f838603e41922d5 (diff) | |
| download | op-kernel-dev-0c6c7fa1313fcb69cae35e34168d2e83b8da854a.zip op-kernel-dev-0c6c7fa1313fcb69cae35e34168d2e83b8da854a.tar.gz | |
UBI: add image sequence number to EC header
An image sequence number is added to the UBI erase-counter header
to be able determine if the root file system contains a mixture
of old and new images (because the flashing failed to complete).
A change to nolo is also needed for this to take effect.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 28acd13..bb372c4 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -301,6 +301,8 @@ struct ubi_wl_entry; * @vol->readers, @vol->writers, @vol->exclusive, * @vol->ref_count, @vol->mapping and @vol->eba_tbl. * @ref_count: count of references on the UBI device + * @image_seq: image sequence number recorded on EC headers + * @image_seq_set: indicates @image_seq is known * * @rsvd_pebs: count of reserved physical eraseblocks * @avail_pebs: count of available physical eraseblocks @@ -390,6 +392,8 @@ struct ubi_device { struct ubi_volume *volumes[UBI_MAX_VOLUMES+UBI_INT_VOL_COUNT]; spinlock_t volumes_lock; int ref_count; + int image_seq; + int image_seq_set; int rsvd_pebs; int avail_pebs; |
