[PATCH v2 1/3] f2fs: simplify f2fs_map_blocks

In f2fs_map_blocks, we use duplicated codes to handle first block mapping and the following blocks mapping, it's unnecessary. This patch simplifies f2fs_map_blocks to avoid using copied codes. Signed-off-by: Chao Yu --- V2: - rebase on last dev-test fs/f2fs/data.c | 101

[PATCH v2 1/3] f2fs: simplify f2fs_map_blocks

In f2fs_map_blocks, we use duplicated codes to handle first block mapping and the following blocks mapping, it's unnecessary. This patch simplifies f2fs_map_blocks to avoid using copied codes. Signed-off-by: Chao Yu --- V2: - rebase on last dev-test fs/f2fs/data.c |