UBI: Fastmap: Introduce may_reserve_for_fm()
...and kill another #ifdef.
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index 88a400c..c471753 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -359,3 +359,22 @@
}
kfree(ubi->fm);
}
+
+/**
+ * may_reserve_for_fm - tests whether a PEB shall be reserved for fastmap.
+ * See find_mean_wl_entry()
+ *
+ * @ubi: UBI device description object
+ * @e: physical eraseblock to return
+ * @root: RB tree to test against.
+ */
+static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
+ struct ubi_wl_entry *e,
+ struct rb_root *root) {
+ if (e && !ubi->fm_disabled && !ubi->fm &&
+ e->pnum < UBI_FM_MAX_START)
+ e = rb_entry(rb_next(root->rb_node),
+ struct ubi_wl_entry, u.rb);
+
+ return e;
+}