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 void ubi_fastmap_close(struct ubi_device *ubi); 9 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) 10 { 11 /* Reserve enough LEBs to store two fastmaps. */ 12 *count += (ubi->fm_size / ubi->leb_size) * 2; 13 INIT_WORK(&ubi->fm_work, update_fastmap_work_fn); 14 } 15 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 16 struct ubi_wl_entry *e, 17 struct rb_root *root); 18 #else /* !CONFIG_MTD_UBI_FASTMAP */ 19 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); 20 static inline void ubi_fastmap_close(struct ubi_device *ubi) { } 21 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { } 22 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, 23 struct ubi_wl_entry *e, 24 struct rb_root *root) { 25 return e; 26 } 27 #endif /* CONFIG_MTD_UBI_FASTMAP */ 28 #endif /* UBI_WL_H */ 29