[PATCH 25/62] UBI: Fastmap: Wrap fastmap specific function in a ifdef

[Teresa Remmet]

From: Richard Weinberger <richard at nod.at>

...such that we can implement NOP variants of some functions.
This will help to reduce fastmap specific ifdefs in other c files.

Signed-off-by: Richard Weinberger <richard at nod.at>
Reviewed-by: Tanya Brokhman <tlinder at codeaurora.org>

Conflicts:
	drivers/mtd/ubi/ubi.h

Fixed minor conflict.

Signed-off-by: Teresa Remmet <t.remmet at phytec.de>
---
 drivers/mtd/ubi/ubi.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 5bceb53..2ed28f7 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -837,11 +837,16 @@ int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
 		      int pnum, const struct ubi_vid_hdr *vid_hdr);
 
 /* fastmap.c */
+#ifdef CONFIG_MTD_UBI_FASTMAP
 size_t ubi_calc_fm_size(struct ubi_device *ubi);
 int ubi_update_fastmap(struct ubi_device *ubi);
 int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
 		     int fm_anchor);
 void ubi_free_fastmap(struct ubi_device *ubi);
+#else
+static inline int ubi_update_fastmap(struct ubi_device *ubi) { return 0; }
+#endif
+
 /*
  * ubi_rb_for_each_entry - walk an RB-tree.
  * @rb: a pointer to type 'struct rb_node' to use as a loop counter
-- 
1.9.1