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kernel: mtdsplit: modify rootfs helpers to provide partition type

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Our mtdsplit parsers may want to create partition with name choice based
on partition file system (e.g. SquashFS vs. JFFS2). This patch allows
passing extra argument pointing to variable that will be set properly.

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

SVN-Revision: 48598
This commit is contained in:
Rafał Miłecki
2016-02-01 12:41:41 +00:00
parent 704473864e
commit e1491b341b
9 changed files with 42 additions and 26 deletions
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18
target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h
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@@ -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;
}