1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef UBI_WL_H
3*4882a593Smuzhiyun #define UBI_WL_H
4*4882a593Smuzhiyun #ifdef CONFIG_MTD_UBI_FASTMAP
5*4882a593Smuzhiyun static void update_fastmap_work_fn(struct work_struct *wrk);
6*4882a593Smuzhiyun static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
7*4882a593Smuzhiyun static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
8*4882a593Smuzhiyun static void ubi_fastmap_close(struct ubi_device *ubi);
ubi_fastmap_init(struct ubi_device * ubi,int * count)9*4882a593Smuzhiyun static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun /* Reserve enough LEBs to store two fastmaps. */
12*4882a593Smuzhiyun *count += (ubi->fm_size / ubi->leb_size) * 2;
13*4882a593Smuzhiyun INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
14*4882a593Smuzhiyun }
15*4882a593Smuzhiyun static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
16*4882a593Smuzhiyun struct ubi_wl_entry *e,
17*4882a593Smuzhiyun struct rb_root *root);
18*4882a593Smuzhiyun #else /* !CONFIG_MTD_UBI_FASTMAP */
19*4882a593Smuzhiyun static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
ubi_fastmap_close(struct ubi_device * ubi)20*4882a593Smuzhiyun static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
ubi_fastmap_init(struct ubi_device * ubi,int * count)21*4882a593Smuzhiyun static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
may_reserve_for_fm(struct ubi_device * ubi,struct ubi_wl_entry * e,struct rb_root * root)22*4882a593Smuzhiyun static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
23*4882a593Smuzhiyun struct ubi_wl_entry *e,
24*4882a593Smuzhiyun struct rb_root *root) {
25*4882a593Smuzhiyun return e;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun #endif /* CONFIG_MTD_UBI_FASTMAP */
28*4882a593Smuzhiyun #endif /* UBI_WL_H */
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