UBI: add layout volume information
Add more information about layout volume to make userspace tools
use the macros instead of constants. Also rename UBI_LAYOUT_VOL_ID
to make it consistent with other macros.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 1f951e3..1f7375e 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -78,7 +78,7 @@
*/
static int ubi_get_compat(const struct ubi_device *ubi, int vol_id)
{
- if (vol_id == UBI_LAYOUT_VOL_ID)
+ if (vol_id == UBI_LAYOUT_VOLUME_ID)
return UBI_LAYOUT_VOLUME_COMPAT;
return 0;
}
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 6f2680f..05aa3e7 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -858,7 +858,7 @@
}
vol_id = be32_to_cpu(vidh->vol_id);
- if (vol_id > UBI_MAX_VOLUMES && vol_id != UBI_LAYOUT_VOL_ID) {
+ if (vol_id > UBI_MAX_VOLUMES && vol_id != UBI_LAYOUT_VOLUME_ID) {
int lnum = be32_to_cpu(vidh->lnum);
/* Unsupported internal volume */
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 2fd9cf4..d8222db 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -89,7 +89,7 @@
struct ubi_volume *layout_vol;
ubi_assert(idx >= 0 && idx < ubi->vtbl_slots);
- layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOL_ID)];
+ layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)];
if (!vtbl_rec)
vtbl_rec = &empty_vtbl_record;
@@ -269,7 +269,7 @@
* this volume table copy was found during scanning. It has to be wiped
* out.
*/
- sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOL_ID);
+ sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOLUME_ID);
if (sv)
old_seb = ubi_scan_find_seb(sv, copy);
@@ -281,7 +281,7 @@
}
vid_hdr->vol_type = UBI_VID_DYNAMIC;
- vid_hdr->vol_id = cpu_to_be32(UBI_LAYOUT_VOL_ID);
+ vid_hdr->vol_id = cpu_to_be32(UBI_LAYOUT_VOLUME_ID);
vid_hdr->compat = UBI_LAYOUT_VOLUME_COMPAT;
vid_hdr->data_size = vid_hdr->used_ebs =
vid_hdr->data_pad = cpu_to_be32(0);
@@ -590,7 +590,7 @@
vol->last_eb_bytes = vol->reserved_pebs;
vol->used_bytes =
(long long)vol->used_ebs * (ubi->leb_size - vol->data_pad);
- vol->vol_id = UBI_LAYOUT_VOL_ID;
+ vol->vol_id = UBI_LAYOUT_VOLUME_ID;
vol->ref_count = 1;
ubi_assert(!ubi->volumes[i]);
@@ -743,7 +743,7 @@
ubi->vtbl_size = ubi->vtbl_slots * UBI_VTBL_RECORD_SIZE;
ubi->vtbl_size = ALIGN(ubi->vtbl_size, ubi->min_io_size);
- sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOL_ID);
+ sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOLUME_ID);
if (!sv) {
/*
* No logical eraseblocks belonging to the layout volume were
diff --git a/include/mtd/ubi-header.h b/include/mtd/ubi-header.h
index 69d5d7e..292f916 100644
--- a/include/mtd/ubi-header.h
+++ b/include/mtd/ubi-header.h
@@ -299,7 +299,9 @@
/* The layout volume contains the volume table */
-#define UBI_LAYOUT_VOL_ID UBI_INTERNAL_VOL_START
+#define UBI_LAYOUT_VOLUME_ID UBI_INTERNAL_VOL_START
+#define UBI_LAYOUT_VOLUME_TYPE UBI_VID_DYNAMIC
+#define UBI_LAYOUT_VOLUME_ALIGN 1
#define UBI_LAYOUT_VOLUME_EBS 2
#define UBI_LAYOUT_VOLUME_NAME "layout volume"
#define UBI_LAYOUT_VOLUME_COMPAT UBI_COMPAT_REJECT