[generic-2.6] update OCF framework to version 20100325

[openwrt.git] / target / linux / generic-2.6 / patches-2.6.30 / 065-rootfs_split.patch

diff --git a/target/linux/generic-2.6/patches-2.6.30/065-rootfs_split.patch b/target/linux/generic-2.6/patches-2.6.30/065-rootfs_split.patch
index 0eca899..34c1f5a 100644 (file)
--- a/target/linux/generic-2.6/patches-2.6.30/065-rootfs_split.patch
+++ b/target/linux/generic-2.6/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 +514,156 @@ out_register:
+@@ -512,6 +514,155 @@ out_register:
        return slave;
  }
  
@@ -54,32 +54,31 @@
 +
 +static int split_squashfs(struct mtd_info *master, int offset, int *split_offset)
 +{
-+      char buf[512];
-+      struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
++      struct squashfs_super_block sb;
 +      int len, ret;
 +
-+      ret = master->read(master, offset, sizeof(*sb), &len, buf);
-+      if (ret || (len != sizeof(*sb))) {
++      ret = master->read(master, offset, sizeof(sb), &len, (void *) &sb);
++      if (ret || (len != sizeof(sb))) {
 +              printk(KERN_ALERT "split_squashfs: error occured while reading "
 +                      "from \"%s\"\n", master->name);
 +              return -EINVAL;
 +      }
 +
-+      if (*((u32 *) buf) != SQUASHFS_MAGIC) {
++      if (SQUASHFS_MAGIC != le32_to_cpu(sb.s_magic) ) {
 +              printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n",
 +                      master->name);
 +              *split_offset = 0;
 +              return 0;
 +      }
 +
-+      if (sb->bytes_used <= 0) {
++      if (le64_to_cpu((sb.bytes_used)) <= 0) {
 +              printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n",
 +                      master->name);
 +              *split_offset = 0;
 +              return 0;
 +      }
 +
-+      len = (u32) sb->bytes_used;
++      len = (u32) le64_to_cpu(sb.bytes_used);
 +      len += (offset & 0x000fffff);
 +      len +=  (master->erasesize - 1);
 +      len &= ~(master->erasesize - 1);
@@ -194,7 +193,7 @@
  /*
   * 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 +679,29 @@ int add_mtd_partitions(struct mtd_info *
+@@ -527,14 +678,29 @@ int add_mtd_partitions(struct mtd_info *
  {
        struct mtd_part *slave;
        uint64_t cur_offset = 0;
@@ -227,7 +226,7 @@
                cur_offset = slave->offset + slave->mtd.size;
        }
  
-@@ -542,6 +709,32 @@ int add_mtd_partitions(struct mtd_info *
+@@ -542,6 +708,32 @@ int add_mtd_partitions(struct mtd_info *
  }
  EXPORT_SYMBOL(add_mtd_partitions);
  
@@ -442,7 +441,7 @@
                if (devt) {
                        bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
                }
-@@ -263,17 +276,97 @@ static struct block2mtd_dev *add_device(
+@@ -263,17 +276,98 @@ static struct block2mtd_dev *add_device(
  #endif
  
        if (IS_ERR(bdev)) {
@@ -506,9 +505,10 @@
 +      bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
 +      if (!bdev || !bdev->bd_disk)
 +              err = -EINVAL;
-+      else {
++#ifndef CONFIG_MTD_BLOCK2MTD_MODULE
++      else
 +              err = rescan_partitions(bdev->bd_disk, bdev);
-+      }
++#endif
 +      if (bdev)
 +              close_bdev_exclusive(bdev, FMODE_READ|FMODE_WRITE);
 +
@@ -543,7 +543,7 @@
  
        if (!mtdname)
                mtdname = devname;
-@@ -297,6 +390,7 @@ static struct block2mtd_dev *add_device(
+@@ -297,6 +391,7 @@ static struct block2mtd_dev *add_device(
        dev->mtd.read = block2mtd_read;
        dev->mtd.priv = dev;
        dev->mtd.owner = THIS_MODULE;