Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / mtd / ubi / wl.h

diff --git a/kernel/drivers/mtd/ubi/wl.h b/kernel/drivers/mtd/ubi/wl.h
new file mode 100644 (file)
index 0000000..bd1f07e
--- /dev/null
+++ b/kernel/drivers/mtd/ubi/wl.h
@@ -0,0 +1,28 @@
+#ifndef UBI_WL_H
+#define UBI_WL_H
+#ifdef CONFIG_MTD_UBI_FASTMAP
+static int anchor_pebs_avalible(struct rb_root *root);
+static void update_fastmap_work_fn(struct work_struct *wrk);
+static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
+static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
+static void ubi_fastmap_close(struct ubi_device *ubi);
+static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
+{
+       /* Reserve enough LEBs to store two fastmaps. */
+       *count += (ubi->fm_size / ubi->leb_size) * 2;
+       INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
+}
+static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
+                                              struct ubi_wl_entry *e,
+                                              struct rb_root *root);
+#else /* !CONFIG_MTD_UBI_FASTMAP */
+static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
+static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
+static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
+static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
+                                              struct ubi_wl_entry *e,
+                                              struct rb_root *root) {
+       return e;
+}
+#endif /* CONFIG_MTD_UBI_FASTMAP */
+#endif /* UBI_WL_H */