f2fs: use correct flag in f2fs_map_blocks()
f2fs: use correct flag in f2fs_map_blocks()

We introduce F2FS_GET_BLOCK_READ in commit e2b4e2bc8865 ("f2fs: fix
incorrect mapping for bmap"), but forget to use this flag in the right
place, fix it.

Signed-off-by: Chao Yu <0cc5db7488e13b393f245aa6263acec5e92fdcc5@samsung.com>
Signed-off-by: Jaegeuk Kim <71255387a32c360dfbe6dfb7aaeb123bf1dc8cb6@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs