f2fs: Change the type of f2fs_flush_inline_data() to void

The return value of f2fs_flush_inline_data() is not used,
so delete it.

Signed-off-by: Jia Yang <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
2 files changed