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linux/generic: fix creation of rootfs_data 

SVN-Revision: 23930
This commit is contained in:
Alexandros C. Couloumbis 2010-11-08 14:45:24 +00:00
parent 362ef97928
commit 75cf9a4cd3
1 changed files with 15 additions and 12 deletions
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27
target/linux/generic/patches-2.6.37/065-rootfs_split.patch
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@ -27,8 +27,8 @@
+#include <linux/magic.h>
#include <linux/err.h>
/* Our partition linked list */
@@ -48,7 +50,7 @@ struct mtd_part {
#define MTD_ERASE_PARTIAL 0x8000 /* partition only covers parts of an erase block */
@@ -50,7 +52,7 @@ struct mtd_part {
* the pointer to that structure with this macro.
*/
#define PART(x) ((struct mtd_part *)(x))
@ -37,7 +37,7 @@
/*
* MTD methods which simply translate the effective address and pass through
@@ -618,6 +620,150 @@ int mtd_del_partition(struct mtd_info *m
@@ -691,6 +693,153 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
@ -92,8 +92,7 @@
+{
+ struct mtd_partition *dpart;
+ struct mtd_part *slave = NULL;
+ int split_offset = 0;
+ int ret;
+ int ret, split_offset = 0;
+
+ ret = split_squashfs(master, part->offset, &split_offset);
+ if (ret)
@ -123,10 +122,14 @@
+ ROOTFS_SPLIT_NAME, dpart->offset, dpart->size);
+
+ slave = allocate_partition(master, dpart, 0, split_offset);
+ if (!slave) {
+ kfree(dpart);
+ return -ENOMEM;
+ }
+ if (IS_ERR(slave))
+ return PTR_ERR(slave);
+ mutex_lock(&mtd_partitions_mutex);
+ list_add(&slave->list, &mtd_partitions);
+ mutex_unlock(&mtd_partitions_mutex);
+
+ add_mtd_device(&slave->mtd);
+
+ rpart->split = &slave->mtd;
+
+ return 0;
@ -188,7 +191,7 @@
/*
* 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
@@ -633,7 +779,7 @@ int add_mtd_partitions(struct mtd_info *
@@ -706,7 +855,7 @@ int add_mtd_partitions(struct mtd_info *
{
struct mtd_part *slave;
uint64_t cur_offset = 0;
@ -197,7 +200,7 @@
printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
@@ -648,6 +794,21 @@ int add_mtd_partitions(struct mtd_info *
@@ -721,6 +870,21 @@ int add_mtd_partitions(struct mtd_info *
add_mtd_device(&slave->mtd);
@ -219,7 +222,7 @@
cur_offset = slave->offset + slave->mtd.size;
}
@@ -655,6 +816,32 @@ int add_mtd_partitions(struct mtd_info *
@@ -728,6 +892,32 @@ int add_mtd_partitions(struct mtd_info *
}
EXPORT_SYMBOL(add_mtd_partitions);