1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef UBI_WL_H 3 #define UBI_WL_H 4 #ifdef CONFIG_MTD_UBI_FASTMAP 5 static void update_fastmap_work_fn(struct work_struct *wrk); 6 static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root); 7 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 8 static struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi); 9 static bool need_wear_leveling(struct ubi_device *ubi); 10 static void ubi_fastmap_close(struct ubi_device *ubi); 11 static 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 } 19 static 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 */ 23 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 24 static inline void ubi_fastmap_close(struct ubi_device *ubi) { } 25 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { } 26 static 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