md: Make mddev->chunk_size sector-based.

This patch renames the chunk_size field to chunk_sectors with the
implied change of semantics.  Since

	is_power_of_2(chunk_size) = is_power_of_2(chunk_sectors << 9)
				  = is_power_of_2(chunk_sectors)

these bits don't need an adjustment for the shift.

Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 5ea5bca53a5e..388635735ae5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2161,10 +2161,10 @@ static int raid1_reshape(mddev_t *mddev)
         int d, d2, err;
 
         /* Cannot change chunk_size, layout, or level */
-        if (mddev->chunk_size != mddev->new_chunk ||
+        if (mddev->chunk_sectors << 9 != mddev->new_chunk ||
             mddev->layout != mddev->new_layout ||
             mddev->level != mddev->new_level) {
-                mddev->new_chunk = mddev->chunk_size;
+                mddev->new_chunk = mddev->chunk_sectors << 9;
                 mddev->new_layout = mddev->layout;
                 mddev->new_level = mddev->level;
                 return -EINVAL;