add initial 2.6.28 support for brcm47xx target

[openwrt.git] / target / linux / generic-2.6 / patches-2.6.27 / 065-rootfs_split.patch

diff --git a/target/linux/generic-2.6/patches-2.6.27/065-rootfs_split.patch b/target/linux/generic-2.6/patches-2.6.27/065-rootfs_split.patch
index 41cca49..c05d791 100644 (file)
--- a/target/linux/generic-2.6/patches-2.6.27/065-rootfs_split.patch
+++ b/target/linux/generic-2.6/patches-2.6.27/065-rootfs_split.patch
@@ -373,41 +373,53 @@
        return err;
  }
  
-@@ -210,7 +246,12 @@ static int block2mtd_write(struct mtd_in
+@@ -210,52 +246,29 @@ static int block2mtd_write(struct mtd_in
  static void block2mtd_sync(struct mtd_info *mtd)
  {
        struct block2mtd_dev *dev = mtd->priv;
 -      sync_blockdev(dev->blkdev);
-+
+-      return;
+-}
+-
+-
+-static void block2mtd_free_device(struct block2mtd_dev *dev)
+-{
+-      if (!dev)
+-              return;
+-
+-      kfree(dev->mtd.name);
+ 
+-      if (dev->blkdev) {
+-              invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
+-                                      0, -1);
+-              close_bdev_excl(dev->blkdev);
+-      }
 +      read_lock(&dev->bdev_mutex);
 +      if (dev->blkdev)
 +              sync_blockdev(dev->blkdev);
 +      read_unlock(&dev->bdev_mutex);
-+
-       return;
- }
  
-@@ -231,31 +272,22 @@ static void block2mtd_free_device(struct
-       kfree(dev);
+-      kfree(dev);
++      return;
  }
  
--
+ 
 -/* FIXME: ensure that mtd->size % erase_size == 0 */
 -static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname)
 +static int _open_bdev(struct block2mtd_dev *dev)
  {
        struct block_device *bdev;
-       struct block2mtd_dev *dev;
-       struct mtd_partition *part;
-       char *name;
- 
+-      struct block2mtd_dev *dev;
+-      struct mtd_partition *part;
+-      char *name;
+-
 -      if (!devname)
 -              return NULL;
 -
 -      dev = kzalloc(sizeof(struct block2mtd_dev), GFP_KERNEL);
 -      if (!dev)
 -              return NULL;
--
+ 
        /* Get a handle on the device */
 -      bdev = open_bdev_excl(devname, O_RDWR, NULL);
 +      bdev = open_bdev_excl(dev->devname, O_RDWR, NULL);
@@ -422,7 +434,7 @@
                if (devt) {
                        bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
                }
-@@ -263,17 +295,96 @@ static struct block2mtd_dev *add_device(
+@@ -263,17 +276,97 @@ static struct block2mtd_dev *add_device(
  #endif
  
        if (IS_ERR(bdev)) {
@@ -504,6 +516,7 @@
 +{
 +      struct block2mtd_dev *dev;
 +      struct mtd_partition *part;
++      char *name;
 +
 +      if (!devname)
 +              return NULL;
@@ -522,7 +535,7 @@
  
        if (!mtdname)
                mtdname = devname;
-@@ -297,6 +408,7 @@ static struct block2mtd_dev *add_device(
+@@ -297,6 +390,7 @@ static struct block2mtd_dev *add_device(
        dev->mtd.read = block2mtd_read;
        dev->mtd.priv = dev;
        dev->mtd.owner = THIS_MODULE;