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>

diff --git a/drivers/md/md.h b/drivers/md/md.h
index bb645bc..2175a5a 100644 (file)
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -311,7 +311,7 @@ struct mddev {
        int                             external;       /* metadata is
                                                         * managed externally */
        char                            metadata_type[17]; /* externally set*/
-       unsigned int                    chunk_sectors;
+       int                             chunk_sectors;
        time64_t                        ctime, utime;
        int                             level, layout;
        char                            clevel[16];
@@ -339,7 +339,7 @@ struct mddev {
         */
        sector_t                        reshape_position;
        int                             delta_disks, new_level, new_layout;
-       unsigned int                    new_chunk_sectors;
+       int                             new_chunk_sectors;
        int                             reshape_backwards;
 
        struct md_thread                *thread;        /* management thread */