Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=91f2d53cd75a8fa3557246af965155208c4c69a7
Commit:     91f2d53cd75a8fa3557246af965155208c4c69a7
Parent:     c18a84186cc05bee19d55823f1a35f4ea91a92d6
Author:     Artem Bityutskiy <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 24 11:23:23 2008 +0200
Committer:  Artem Bityutskiy <[EMAIL PROTECTED]>
CommitDate: Fri Jan 25 16:41:25 2008 +0200

    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 <[EMAIL PROTECTED]>
---
 drivers/mtd/ubi/eba.c    |    2 +-
 drivers/mtd/ubi/scan.c   |    2 +-
 drivers/mtd/ubi/vtbl.c   |   10 +++++-----
 include/mtd/ubi-header.h |    4 +++-
 4 files changed, 10 insertions(+), 8 deletions(-)

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 unsigned long long next_sqnum(struct ubi_device *ubi)
  */
 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 @@ static int process_eb(struct ubi_device *ubi, struct 
ubi_scan_info *si, int pnum
        }
 
        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 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
        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 @@ static int create_vtbl(struct ubi_device *ubi, struct 
ubi_scan_info *si,
         * 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 @@ retry:
        }
 
        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 @@ static int init_volumes(struct ubi_device *ubi, const 
struct ubi_scan_info *si,
        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 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct 
ubi_scan_info *si)
        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 @@ struct ubi_vid_hdr {
 
 /* 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
-
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