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android_kernel_...
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drivers
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mtd
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ubi
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wl.h

wl.h 1.3 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef UBI_WL_H
    3. 

  3. #define UBI_WL_H
    4. 

  4. #ifdef CONFIG_MTD_UBI_FASTMAP
    5. 

  5. static void update_fastmap_work_fn(struct work_struct *wrk);
    6. 

  6. static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
    7. 

  7. static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
    8. 

  8. static struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi);
    9. 

  9. static bool need_wear_leveling(struct ubi_device *ubi);
    10. 

  10. static void ubi_fastmap_close(struct ubi_device *ubi);
    11. 

  11. static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
    12. 

  12. {
    13. 

  13. 	/* Reserve enough LEBs to store two fastmaps. */
    14. 

  14. 	*count += (ubi->fm_size / ubi->leb_size) * 2;
    15. 

  15. 	INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
    16. 

  16. }
    17. 

  17. static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
    18. 

  18. 					       struct ubi_wl_entry *e,
    19. 

  19. 					       struct rb_root *root);
    20. 

  20. #else /* !CONFIG_MTD_UBI_FASTMAP */
    21. 

  21. static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
    22. 

  22. static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
    23. 

  23. static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
    24. 

  24. static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
    25. 

  25. 					       struct ubi_wl_entry *e,
    26. 

  26. 					       struct rb_root *root) {
    27. 

  27. 	return e;
    28. 

  28. }
    29. 

  29. #endif /* CONFIG_MTD_UBI_FASTMAP */
    30. 

  30. #endif /* UBI_WL_H */
    31.