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path: root/drivers/mtd/ubi/ubi.h
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Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
-rw-r--r--drivers/mtd/ubi/ubi.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index cc010111264f..5e941a633030 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;