diff options
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index cc010111264..5e941a63303 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -221,14 +221,15 @@ struct ubi_wl_entry; * @vtbl_slots: how many slots are available in the volume table * @vtbl_size: size of the volume table in bytes * @vtbl: in-RAM volume table copy + * @vtbl_mutex: protects on-flash volume table * * @max_ec: current highest erase counter value * @mean_ec: current mean erase counter value * - * global_sqnum: global sequence number + * @global_sqnum: global sequence number * @ltree_lock: protects the lock tree and @global_sqnum * @ltree: the lock tree - * @vtbl_mutex: protects on-flash volume table + * @alc_mutex: serializes "atomic LEB change" operations * * @used: RB-tree of used physical eraseblocks * @free: RB-tree of free physical eraseblocks @@ -308,6 +309,7 @@ struct ubi_device { unsigned long long global_sqnum; spinlock_t ltree_lock; struct rb_root ltree; + struct mutex alc_mutex; /* Wear-leveling unit's stuff */ struct rb_root used; |