162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef UBI_WL_H 362306a36Sopenharmony_ci#define UBI_WL_H 462306a36Sopenharmony_ci#ifdef CONFIG_MTD_UBI_FASTMAP 562306a36Sopenharmony_cistatic void update_fastmap_work_fn(struct work_struct *wrk); 662306a36Sopenharmony_cistatic struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root); 762306a36Sopenharmony_cistatic struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 862306a36Sopenharmony_cistatic struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi); 962306a36Sopenharmony_cistatic bool need_wear_leveling(struct ubi_device *ubi); 1062306a36Sopenharmony_cistatic void ubi_fastmap_close(struct ubi_device *ubi); 1162306a36Sopenharmony_cistatic inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci /* Reserve enough LEBs to store two fastmaps. */ 1462306a36Sopenharmony_ci *count += (ubi->fm_size / ubi->leb_size) * 2; 1562306a36Sopenharmony_ci INIT_WORK(&ubi->fm_work, update_fastmap_work_fn); 1662306a36Sopenharmony_ci} 1762306a36Sopenharmony_cistatic struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 1862306a36Sopenharmony_ci struct ubi_wl_entry *e, 1962306a36Sopenharmony_ci struct rb_root *root); 2062306a36Sopenharmony_ci#else /* !CONFIG_MTD_UBI_FASTMAP */ 2162306a36Sopenharmony_cistatic struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 2262306a36Sopenharmony_cistatic inline void ubi_fastmap_close(struct ubi_device *ubi) { } 2362306a36Sopenharmony_cistatic inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { } 2462306a36Sopenharmony_cistatic struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 2562306a36Sopenharmony_ci struct ubi_wl_entry *e, 2662306a36Sopenharmony_ci struct rb_root *root) { 2762306a36Sopenharmony_ci return e; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci#endif /* CONFIG_MTD_UBI_FASTMAP */ 3062306a36Sopenharmony_ci#endif /* UBI_WL_H */ 31