kernel: move old "rootfs" splitter into separated file

This will simplify removing it in the future.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 42828

diff --git a/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch
index e618dd6224cf5788856057318baec7bb732cc912..ede59104b3cca8f8a791ed848d01fc0db7e5a5e8 100644 (file)
--- a/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch
+++ b/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/Kconfig
 +++ b/drivers/mtd/Kconfig
-@@ -12,6 +12,33 @@ menuconfig MTD
+@@ -12,6 +12,28 @@ menuconfig MTD
  
  if MTD
  
@@ -10,11 +10,6 @@
 +      bool "Automatically set 'rootfs' partition to be root filesystem"
 +      default y
 +
-+config MTD_ROOTFS_SPLIT
-+      bool "Automatically split 'rootfs' partition for squashfs"
-+      select MTD_SPLIT
-+      default y
-+
 +config MTD_SPLIT_FIRMWARE
 +      bool "Automatically split firmware partition for kernel+rootfs"
 +      default y
@@ -125,7 +120,7 @@
  int mtd_del_partition(struct mtd_info *master, int partno)
  {
        struct mtd_part *slave, *next;
-@@ -614,6 +628,122 @@ int mtd_del_partition(struct mtd_info *m
+@@ -614,6 +628,74 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -140,47 +135,6 @@
 +      return len;
 +}
 +
-+static int split_squashfs(struct mtd_info *master, int offset, int *split_offset)
-+{
-+      size_t squashfs_len;
-+      int len, ret;
-+
-+      ret = mtd_get_squashfs_len(master, offset, &squashfs_len);
-+      if (ret)
-+              return ret;
-+
-+      len = mtd_pad_erasesize(master, offset, squashfs_len);
-+      *split_offset = offset + len;
-+
-+      return 0;
-+}
-+
-+static void split_rootfs_data(struct mtd_info *master, struct mtd_part *part)
-+{
-+      unsigned int split_offset = 0;
-+      unsigned int split_size;
-+      int ret;
-+
-+      ret = split_squashfs(master, part->offset, &split_offset);
-+      if (ret)
-+              return;
-+
-+      if (split_offset <= 0)
-+              return;
-+
-+      if (config_enabled(CONFIG_MTD_SPLIT_SQUASHFS_ROOT))
-+              pr_err("Dedicated partitioner didn't create \"rootfs_data\" partition, please fill a bug report!\n");
-+      else
-+              pr_warn("Support for built-in \"rootfs_data\" splitter will be removed, please use CONFIG_MTD_SPLIT_SQUASHFS_ROOT\n");
-+
-+      split_size = part->mtd.size - (split_offset - part->offset);
-+      printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=0x%x, len=0x%x\n",
-+              ROOTFS_SPLIT_NAME, split_offset, split_size);
-+
-+      __mtd_add_partition(master, ROOTFS_SPLIT_NAME, split_offset,
-+                          split_size, false);
-+}
-+
 +#define UBOOT_MAGIC   0x27051956
 +
 +static void split_uimage(struct mtd_info *master, struct mtd_part *part)
@@ -231,13 +185,6 @@
 +      if (rootfs_found)
 +              return;
 +
-+      if (!strcmp(part->mtd.name, "rootfs")) {
-+              rootfs_found = 1;
-+
-+              if (config_enabled(CONFIG_MTD_ROOTFS_SPLIT))
-+                      split_rootfs_data(master, part);
-+      }
-+
 +      if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
 +          config_enabled(CONFIG_MTD_SPLIT_FIRMWARE))
 +              split_firmware(master, part);
@@ -248,7 +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
-@@ -643,6 +773,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -643,6 +725,7 @@ int add_mtd_partitions(struct mtd_info *
                mutex_unlock(&mtd_partitions_mutex);
  
                add_mtd_device(&slave->mtd);

diff --git a/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch
index 7249b30c5aeb9c6f3fe62a0877872edb15df0267..d996b60eb5f655d37bf2176b3d6761fd3585fdce 100644 (file)
--- a/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch
+++ b/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch
@@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/drivers/mtd/mtdpart.c
 +++ b/drivers/mtd/mtdpart.c
-@@ -803,6 +803,30 @@ static struct mtd_part_parser *get_parti
+@@ -755,6 +755,30 @@ static struct mtd_part_parser *get_parti
  
  #define put_partition_parser(p) do { module_put((p)->owner); } while (0)
  
@@ -42,7 +42,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  void register_mtd_parser(struct mtd_part_parser *p)
  {
        spin_lock(&part_parser_lock);
-@@ -876,6 +900,38 @@ int parse_mtd_partitions(struct mtd_info
+@@ -828,6 +852,38 @@ int parse_mtd_partitions(struct mtd_info
        return ret;
  }
  

diff --git a/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
index 583e44ca124e6251e3ca76d04bcd70b0fbfdf4f6..242d9576674c8bde01694fbb36d3c267bbfaa4db 100644 (file)
--- a/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
+++ b/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
@@ -38,7 +38,7 @@
  static inline unsigned long
  mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
  {
-@@ -714,6 +745,12 @@ static void split_uimage(struct mtd_info
+@@ -673,6 +704,12 @@ static void split_uimage(struct mtd_info
  
  static void split_firmware(struct mtd_info *master, struct mtd_part *part)
  {
@@ -51,20 +51,19 @@
        if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT))
                split_uimage(master, part);
  }
-@@ -731,9 +768,12 @@ static void mtd_partition_split(struct m
+@@ -689,6 +726,12 @@ static void mtd_partition_split(struct m
+       if (rootfs_found)
                return;
  
-       if (!strcmp(part->mtd.name, "rootfs")) {
-+              int ret;
++      if (!strcmp(part->mtd.name, "rootfs")) {
++              run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
 +
-               rootfs_found = 1;
- 
--              if (config_enabled(CONFIG_MTD_ROOTFS_SPLIT))
-+              ret = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
-+              if (ret <= 0 && config_enabled(CONFIG_MTD_ROOTFS_SPLIT))
-                       split_rootfs_data(master, part);
-       }
- 
++              rootfs_found = 1;
++      }
++
+       if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
+           config_enabled(CONFIG_MTD_SPLIT_FIRMWARE))
+               split_firmware(master, part);
 --- a/include/linux/mtd/partitions.h
 +++ b/include/linux/mtd/partitions.h
 @@ -70,6 +70,8 @@ struct mtd_part_parser_data {

diff --git a/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch b/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch
index be2ee69d6c7f96c04e2635198a1afe3219fbdc1c..a70f81828cac69f00af4c97530f58713ad944c3f 100644 (file)
--- a/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch
+++ b/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/Kconfig
 +++ b/drivers/mtd/Kconfig
-@@ -37,6 +37,11 @@ config MTD_UIMAGE_SPLIT
+@@ -32,6 +32,11 @@ config MTD_UIMAGE_SPLIT
        depends on MTD_SPLIT_FIRMWARE
        default y
  

diff --git a/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch b/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch
index e5e7da3464bbcc190e39e46261da0055a653f8f7..30292e9316bd415dbe02937c726032262353163e 100644 (file)
--- a/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch
+++ b/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch
@@ -18,7 +18,7 @@
        }
        if (slave->offset == MTDPART_OFS_RETAIN) {
                slave->offset = cur_offset;
-@@ -989,6 +987,24 @@ int mtd_is_partition(const struct mtd_in
+@@ -944,6 +942,24 @@ int mtd_is_partition(const struct mtd_in
  }
  EXPORT_SYMBOL_GPL(mtd_is_partition);
  

diff --git a/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch b/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch
index eac31d742081ece162108fc8582094a359637656..f022405be4b1a6c7659fe1a7f0f212f27a848664 100644 (file)
--- a/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch
+++ b/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/Kconfig
 +++ b/drivers/mtd/Kconfig
-@@ -37,6 +37,8 @@ config MTD_UIMAGE_SPLIT
+@@ -32,6 +32,8 @@ config MTD_UIMAGE_SPLIT
        depends on MTD_SPLIT_FIRMWARE
        default y
  

diff --git a/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch b/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch
new file mode 100644 (file)
index 0000000..ff2c702
--- /dev/null
+++ b/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch
@@ -0,0 +1,76 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -18,6 +18,11 @@ config MTD_ROOTFS_ROOT_DEV
+       bool "Automatically set 'rootfs' partition to be root filesystem"
+       default y
+ 
++config MTD_ROOTFS_SPLIT
++      bool "Automatically split 'rootfs' partition for squashfs"
++      select MTD_SPLIT
++      default y
++
+ config MTD_SPLIT_FIRMWARE
+       bool "Automatically split firmware partition for kernel+rootfs"
+       default y
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -668,6 +668,47 @@ mtd_pad_erasesize(struct mtd_info *mtd,
+       return len;
+ }
+ 
++static int split_squashfs(struct mtd_info *master, int offset, int *split_offset)
++{
++      size_t squashfs_len;
++      int len, ret;
++
++      ret = mtd_get_squashfs_len(master, offset, &squashfs_len);
++      if (ret)
++              return ret;
++
++      len = mtd_pad_erasesize(master, offset, squashfs_len);
++      *split_offset = offset + len;
++
++      return 0;
++}
++
++static void split_rootfs_data(struct mtd_info *master, struct mtd_part *part)
++{
++      unsigned int split_offset = 0;
++      unsigned int split_size;
++      int ret;
++
++      ret = split_squashfs(master, part->offset, &split_offset);
++      if (ret)
++              return;
++
++      if (split_offset <= 0)
++              return;
++
++      if (config_enabled(CONFIG_MTD_SPLIT_SQUASHFS_ROOT))
++              pr_err("Dedicated partitioner didn't create \"rootfs_data\" partition, please fill a bug report!\n");
++      else
++              pr_warn("Support for built-in \"rootfs_data\" splitter will be removed, please use CONFIG_MTD_SPLIT_SQUASHFS_ROOT\n");
++
++      split_size = part->mtd.size - (split_offset - part->offset);
++      printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=0x%x, len=0x%x\n",
++              ROOTFS_SPLIT_NAME, split_offset, split_size);
++
++      __mtd_add_partition(master, ROOTFS_SPLIT_NAME, split_offset,
++                          split_size, false);
++}
++
+ #define UBOOT_MAGIC   0x27051956
+ 
+ static void split_uimage(struct mtd_info *master, struct mtd_part *part)
+@@ -725,7 +766,10 @@ static void mtd_partition_split(struct m
+               return;
+ 
+       if (!strcmp(part->mtd.name, "rootfs")) {
+-              run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
++              int num = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
++
++              if (num <= 0 && config_enabled(CONFIG_MTD_ROOTFS_SPLIT))
++                      split_rootfs_data(master, part);
+ 
+               rootfs_found = 1;
+       }