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Commit acfda79f authored by Richard Weinberger's avatar Richard Weinberger
Browse files

UBI: Fastmap: Introduce ubi_fastmap_init() 



...and kill another #ifdef in wl.c. :-)

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent c5c3f3cf

drivers/mtd/ubi/wl.c

+1 −7
Original line number Diff line number Diff line
@@ -1510,9 +1510,6 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai) 
	init_rwsem(&ubi->work_sem);

	ubi->max_ec = ai->max_ec;

	INIT_LIST_HEAD(&ubi->works);

#ifdef CONFIG_MTD_UBI_FASTMAP

	INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);

#endif



	sprintf(ubi->bgt_name, UBI_BGT_NAME_PATTERN, ubi->ubi_num);
@@ -1606,10 +1603,7 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai) 
		ubi_assert(ubi->good_peb_count == found_pebs);



	reserved_pebs = WL_RESERVED_PEBS;

#ifdef CONFIG_MTD_UBI_FASTMAP

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

	reserved_pebs += (ubi->fm_size / ubi->leb_size) * 2;

#endif

	ubi_fastmap_init(ubi, &reserved_pebs);



	if (ubi->avail_pebs < reserved_pebs) {

		ubi_err(ubi, "no enough physical eraseblocks (%d, need %d)",

drivers/mtd/ubi/wl.h

+7 −0
Original line number Diff line number Diff line
@@ -7,6 +7,12 @@ static void update_fastmap_work_fn(struct work_struct *wrk); 
static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);

static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);

static void ubi_fastmap_close(struct ubi_device *ubi);

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

{

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

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

	INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);

}

#else /* !CONFIG_MTD_UBI_FASTMAP */

static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);

static inline int is_fm_block(struct ubi_device *ubi, int pnum)
@@ -14,5 +20,6 @@ static inline int is_fm_block(struct ubi_device *ubi, int pnum) 
	return 0;

}

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

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

#endif /* CONFIG_MTD_UBI_FASTMAP */

#endif /* UBI_WL_H */