rootfs_split: Allow using MTDPART_OFS_APPEND macro for offset of rootfs.

Use offset from struct mtd_part instead of struct mtd_partition for defining
the new partitions. This enables the usage of MTDPART_OFS_APPEND macro in
struct mtd_partition.

Signed-off-by: Jochen Friedrich <jochen@scram.de>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26705 3c298f89-4303-0410-b956-a3cf2f4a3e73

7 files changed, 43 insertions, 29 deletions

diff --git a/target/linux/generic/patches-2.6.30/065-rootfs_split.patch b/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
index 34c1f5add..5caf0aaff 100644
--- a/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -512,6 +514,155 @@ out_register:
+@@ -512,6 +514,157 @@ out_register:
  	return slave;
  }
  
@@ -93,10 +93,12 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int split_offset = 0;
 +	int ret;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -114,7 +116,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
@@ -193,7 +195,7 @@
  /*
   * This function, given a master MTD object and a partition table, creates
   * and registers slave MTD objects which are bound to the master according to
-@@ -527,14 +678,29 @@ int add_mtd_partitions(struct mtd_info *
+@@ -527,14 +680,29 @@ int add_mtd_partitions(struct mtd_info *
  {
  	struct mtd_part *slave;
  	uint64_t cur_offset = 0;
@@ -226,7 +228,7 @@
  		cur_offset = slave->offset + slave->mtd.size;
  	}
  
-@@ -542,6 +708,32 @@ int add_mtd_partitions(struct mtd_info *
+@@ -542,6 +710,32 @@ int add_mtd_partitions(struct mtd_info *
  }
  EXPORT_SYMBOL(add_mtd_partitions);
  
diff --git a/target/linux/generic/patches-2.6.31/065-rootfs_split.patch b/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
index 7956baf9b..fd69e3ffa 100644
--- a/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -502,6 +504,150 @@ out_register:
+@@ -502,6 +504,152 @@ out_register:
  	return slave;
  }
  
@@ -92,10 +92,12 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int split_offset = 0;
 +	int ret;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -113,7 +115,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
@@ -188,7 +190,7 @@
  /*
   * This function, given a master MTD object and a partition table, creates
   * and registers slave MTD objects which are bound to the master according to
-@@ -517,7 +663,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -517,7 +665,7 @@ int add_mtd_partitions(struct mtd_info *
  {
  	struct mtd_part *slave;
  	uint64_t cur_offset = 0;
@@ -197,7 +199,7 @@
  
  	printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
  
-@@ -525,6 +671,21 @@ int add_mtd_partitions(struct mtd_info *
+@@ -525,6 +673,21 @@ int add_mtd_partitions(struct mtd_info *
  		slave = add_one_partition(master, parts + i, i, cur_offset);
  		if (!slave)
  			return -ENOMEM;
@@ -219,7 +221,7 @@
  		cur_offset = slave->offset + slave->mtd.size;
  	}
  
-@@ -532,6 +693,32 @@ int add_mtd_partitions(struct mtd_info *
+@@ -532,6 +695,32 @@ int add_mtd_partitions(struct mtd_info *
  }
  EXPORT_SYMBOL(add_mtd_partitions);
  
diff --git a/target/linux/generic/patches-2.6.32/065-rootfs_split.patch b/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
index 22b3f5e90..1d92ebeae 100644
--- a/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -503,6 +505,150 @@ out_register:
+@@ -503,6 +505,152 @@ out_register:
  	return slave;
  }
  
@@ -92,10 +92,12 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int split_offset = 0;
 +	int ret;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -113,7 +115,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
@@ -188,7 +190,7 @@
  /*
   * This function, given a master MTD object and a partition table, creates
   * and registers slave MTD objects which are bound to the master according to
-@@ -518,7 +664,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -518,7 +666,7 @@ int add_mtd_partitions(struct mtd_info *
  {
  	struct mtd_part *slave;
  	uint64_t cur_offset = 0;
@@ -197,7 +199,7 @@
  
  	printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
  
-@@ -526,6 +672,21 @@ int add_mtd_partitions(struct mtd_info *
+@@ -526,6 +674,21 @@ int add_mtd_partitions(struct mtd_info *
  		slave = add_one_partition(master, parts + i, i, cur_offset);
  		if (!slave)
  			return -ENOMEM;
@@ -219,7 +221,7 @@
  		cur_offset = slave->offset + slave->mtd.size;
  	}
  
-@@ -533,6 +694,32 @@ int add_mtd_partitions(struct mtd_info *
+@@ -533,6 +696,32 @@ int add_mtd_partitions(struct mtd_info *
  }
  EXPORT_SYMBOL(add_mtd_partitions);
  
diff --git a/target/linux/generic/patches-2.6.36/065-rootfs_split.patch b/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
index 74471f18b..3e1120ecd 100644
--- a/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -524,6 +526,150 @@ out_register:
+@@ -524,6 +526,152 @@ out_register:
  	return slave;
  }
  
@@ -92,10 +92,12 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int split_offset = 0;
 +	int ret;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -113,7 +115,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
diff --git a/target/linux/generic/patches-2.6.37/400-rootfs_split.patch b/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
index f5f95cfda..1f61bfdd3 100644
--- a/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -618,6 +620,153 @@ int mtd_del_partition(struct mtd_info *m
+@@ -618,6 +620,155 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -92,9 +92,11 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int ret, split_offset = 0;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -112,7 +114,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
diff --git a/target/linux/generic/patches-2.6.38/400-rootfs_split.patch b/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
index a8e4be6ae..9d04b7ca4 100644
--- a/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -636,6 +638,153 @@ int mtd_del_partition(struct mtd_info *m
+@@ -636,6 +638,155 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -92,9 +92,11 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int ret, split_offset = 0;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -112,7 +114,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)
diff --git a/target/linux/generic/patches-2.6.39/400-rootfs_split.patch b/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
index 45072bab2..b41c740cc 100644
--- a/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -636,6 +638,153 @@ int mtd_del_partition(struct mtd_info *m
+@@ -636,6 +638,155 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -92,9 +92,11 @@
 +{
 +	struct mtd_partition *dpart;
 +	struct mtd_part *slave = NULL;
++	struct mtd_part *spart;
 +	int ret, split_offset = 0;
 +
-+	ret = split_squashfs(master, part->offset, &split_offset);
++	spart = PART(rpart);
++	ret = split_squashfs(master, spart->offset, &split_offset);
 +	if (ret)
 +		return ret;
 +
@@ -112,7 +114,7 @@
 +	dpart->name = (unsigned char *)&dpart[1];
 +	strcpy(dpart->name, ROOTFS_SPLIT_NAME);
 +
-+	dpart->size -= split_offset - dpart->offset;
++	dpart->size = rpart->size - (split_offset - spart->offset);
 +	dpart->offset = split_offset;
 +
 +	if (dpart == NULL)