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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef UBI_WL_H3#define UBI_WL_H4#ifdef CONFIG_MTD_UBI_FASTMAP5static 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 if (ubi->fm_disabled)14 ubi->fm_pool_rsv_cnt = 0;15 /* Reserve enough LEBs to store two fastmaps and to fill pools. */16 *count += (ubi->fm_size / ubi->leb_size) * 2 + ubi->fm_pool_rsv_cnt;17 INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);18}19static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,20 struct ubi_wl_entry *e,21 struct rb_root *root);22#else /* !CONFIG_MTD_UBI_FASTMAP */23static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);24static inline void ubi_fastmap_close(struct ubi_device *ubi) { }25static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }26static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,27 struct ubi_wl_entry *e,28 struct rb_root *root) {29 return e;30}31#endif /* CONFIG_MTD_UBI_FASTMAP */32#endif /* UBI_WL_H */33