drivers/mtd/ubi/wl.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef UBI_WL_H
   3 #define UBI_WL_H
   4 #ifdef CONFIG_MTD_UBI_FASTMAP
   5 static int anchor_pebs_available(struct rb_root *root);
   6 static void update_fastmap_work_fn(struct work_struct *wrk);
   7 static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
   8 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
   9 static void ubi_fastmap_close(struct ubi_device *ubi);
  10 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
  11 {
  12         /* Reserve enough LEBs to store two fastmaps. */
  13         *count += (ubi->fm_size / ubi->leb_size) * 2;
  14         INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
  15 }
  16 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
  17                                                struct ubi_wl_entry *e,
  18                                                struct rb_root *root);
  19 #else /* !CONFIG_MTD_UBI_FASTMAP */
  20 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
  21 static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
  22 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
  23 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
  24                                                struct ubi_wl_entry *e,
  25                                                struct rb_root *root) {
  26         return e;
  27 }
  28 #endif /* CONFIG_MTD_UBI_FASTMAP */
  29 #endif /* UBI_WL_H */