1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef UBI_WL_H 3#define UBI_WL_H 4#ifdef CONFIG_MTD_UBI_FASTMAP 5static void update_fastmap_work_fn(struct work_struct *wrk); 6static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root); 7static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 8static struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi); 9static bool need_wear_leveling(struct ubi_device *ubi); 10static void ubi_fastmap_close(struct ubi_device *ubi); 11static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) 12{ 13 /* Reserve enough LEBs to store two fastmaps. */ 14 *count += (ubi->fm_size / ubi->leb_size) * 2; 15 INIT_WORK(&ubi->fm_work, update_fastmap_work_fn); 16} 17static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 18 struct ubi_wl_entry *e, 19 struct rb_root *root); 20#else /* !CONFIG_MTD_UBI_FASTMAP */ 21static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 22static inline void ubi_fastmap_close(struct ubi_device *ubi) { } 23static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { } 24static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 25 struct ubi_wl_entry *e, 26 struct rb_root *root) { 27 return e; 28} 29#endif /* CONFIG_MTD_UBI_FASTMAP */ 30#endif /* UBI_WL_H */ 31