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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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 struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi,
9 bool need_fill);
10static bool need_wear_leveling(struct ubi_device *ubi);
11static void ubi_fastmap_close(struct ubi_device *ubi);
12static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
13{
14 if (ubi->fm_disabled)
15 ubi->fm_pool_rsv_cnt = 0;
16 /* Reserve enough LEBs to store two fastmaps and to fill pools. */
17 *count += (ubi->fm_size / ubi->leb_size) * 2 + ubi->fm_pool_rsv_cnt;
18 INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
19}
20static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
21 struct ubi_wl_entry *e,
22 struct rb_root *root);
23#else /* !CONFIG_MTD_UBI_FASTMAP */
24static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
25static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
26static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
27static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
28 struct ubi_wl_entry *e,
29 struct rb_root *root) {
30 return e;
31}
32#endif /* CONFIG_MTD_UBI_FASTMAP */
33#endif /* UBI_WL_H */