Revert "md: change mddev 'chunk_sectors' from int to unsigned"

This reverts commit 6ffeb1c3f8226244c08105bcdbeecc04bad6b89a.

This change caused unexpected v5.10 raid6 mount failures, see:
https://lkml.org/lkml/2020/12/14/7

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
1 file changed