| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef UBI_WL_H |
| #define UBI_WL_H |
| #ifdef CONFIG_MTD_UBI_FASTMAP |
| 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 struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi); |
| static bool need_wear_leveling(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 */ |
