1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 |