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kernel/linux-rt-4.4.41/drivers/mtd/ubi/wl.h 1.17 KB
5113f6f70   김현기   kernel add
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  #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 */