[target/generic]: preliminary 2.6.38 support

[openwrt.git] / target / linux / generic / patches-2.6.37 / 065-rootfs_split.patch

diff --git a/target/linux/generic/patches-2.6.37/065-rootfs_split.patch b/target/linux/generic/patches-2.6.37/065-rootfs_split.patch
index 63c5454..e9bb121 100644 (file)
--- a/target/linux/generic/patches-2.6.37/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.37/065-rootfs_split.patch
@@ -37,7 +37,7 @@
  
  /*
   * MTD methods which simply translate the effective address and pass through
-@@ -618,6 +620,164 @@ int mtd_del_partition(struct mtd_info *m
+@@ -618,6 +620,153 @@ 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)
@@ -122,25 +121,15 @@
 +      printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%llX, len=%llX \n",
 +              ROOTFS_SPLIT_NAME, dpart->offset, dpart->size);
 +
-+      slave = add_one_partition(master, dpart, 0, split_offset);
-+      if (!slave) {
-+              kfree(dpart);
-+              return -ENOMEM;
-+      }
-+      if (!strcmp(parts[i].name, "rootfs")) {
-+#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
-+              if (ROOT_DEV == 0) {
-+                      printk(KERN_NOTICE "mtd: partition \"rootfs\" "
-+                              "set to be root filesystem\n");
-+                      ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index);
-+              }
-+#endif
-+#ifdef CONFIG_MTD_ROOTFS_SPLIT
-+      ret = split_rootfs_data(master, &slave->mtd, &parts[i]);
-+      /* if (ret == 0)
-+       *      j++; */
-+#endif
-+      }
++      slave = allocate_partition(master, dpart, 0, split_offset);
++      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;
@@ -202,7 +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 +793,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -633,7 +782,7 @@ int add_mtd_partitions(struct mtd_info *
  {
        struct mtd_part *slave;
        uint64_t cur_offset = 0;
@@ -211,7 +200,29 @@
  
        printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
  
-@@ -655,6 +815,32 @@ int add_mtd_partitions(struct mtd_info *
+@@ -648,6 +797,21 @@ int add_mtd_partitions(struct mtd_info *
+ 
+               add_mtd_device(&slave->mtd);
+ 
++              if (!strcmp(parts[i].name, "rootfs")) {
++#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
++                      if (ROOT_DEV == 0) {
++                              printk(KERN_NOTICE "mtd: partition \"rootfs\" "
++                                      "set to be root filesystem\n");
++                              ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index);
++                      }
++#endif
++#ifdef CONFIG_MTD_ROOTFS_SPLIT
++                      ret = split_rootfs_data(master, &slave->mtd, &parts[i]);
++                      /* if (ret == 0)
++                       *      j++; */
++#endif
++              }
++
+               cur_offset = slave->offset + slave->mtd.size;
+       }
+ 
+@@ -655,6 +819,32 @@ int add_mtd_partitions(struct mtd_info *
  }
  EXPORT_SYMBOL(add_mtd_partitions);
  
@@ -538,7 +549,7 @@
        part->name = dev->mtd.name;
 --- a/drivers/mtd/mtdchar.c
 +++ b/drivers/mtd/mtdchar.c
-@@ -841,6 +841,13 @@ static int mtd_ioctl(struct file *file,
+@@ -841,6 +841,13 @@ static int mtd_ioctl(struct file *file, 
                file->f_pos = 0;
                break;
        }