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 void ubi_fastmap_close(struct ubi_device *ubi);
 9static 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}
15static 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 */
19static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
20static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
21static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
22static 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 */