kernel: mtdsplit: modify rootfs helpers to provide partition type

[openwrt.git] / target / linux / generic / files / drivers / mtd / mtdsplit / mtdsplit.h

diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h
index 7ee88b0..b757758 100644 (file)
--- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h
+++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h
@@ -18,17 +18,25 @@
 
 #define ROOTFS_SPLIT_NAME      "rootfs_data"
 
+enum mtdsplit_part_type {
+       MTDSPLIT_PART_TYPE_UNK = 0,
+       MTDSPLIT_PART_TYPE_SQUASHFS,
+       MTDSPLIT_PART_TYPE_JFFS2,
+};
+
 #ifdef CONFIG_MTD_SPLIT
 int mtd_get_squashfs_len(struct mtd_info *master,
                         size_t offset,
                         size_t *squashfs_len);
 
-int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset);
+int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset,
+                          enum mtdsplit_part_type *type);
 
 int mtd_find_rootfs_from(struct mtd_info *mtd,
                         size_t from,
                         size_t limit,
-                        size_t *ret_offset);
+                        size_t *ret_offset,
+                        enum mtdsplit_part_type *type);
 
 #else
 static inline int mtd_get_squashfs_len(struct mtd_info *master,
@@ -38,7 +46,8 @@ static inline int mtd_get_squashfs_len(struct mtd_info *master,
        return -ENODEV;
 }
 
-static inline int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
+static inline int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset,
+                                        enum mtdsplit_part_type *type)
 {
        return -EINVAL;
 }
@@ -46,7 +55,8 @@ static inline int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
 static inline int mtd_find_rootfs_from(struct mtd_info *mtd,
                                       size_t from,
                                       size_t limit,
-                                      size_t *ret_offset)
+                                      size_t *ret_offset,
+                                      enum mtdsplit_part_type *type)
 {
        return -ENODEV;
 }