md: fix some comments.
1/ Raid5 has learned to take over also raid4 and raid6 arrays.
2/ new_chunk in mdp_superblock_1 is in sectors, not bytes.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 72e8a32..0093441 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5231,8 +5231,6 @@
* raid1 - if there are two drives. We need to know the chunk size
* raid4 - trivial - just use a raid4 layout.
* raid6 - Providing it is a *_6 layout
- *
- * For now, just do raid1
*/
if (mddev->level == 1)
diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h
index 6ba830f..ffa2efb 100644
--- a/include/linux/raid/md_p.h
+++ b/include/linux/raid/md_p.h
@@ -232,7 +232,7 @@
__le64 reshape_position; /* next address in array-space for reshape */
__le32 delta_disks; /* change in number of raid_disks */
__le32 new_layout; /* new layout */
- __le32 new_chunk; /* new chunk size (bytes) */
+ __le32 new_chunk; /* new chunk size (512byte sectors) */
__u8 pad1[128-124]; /* set to 0 when written */
/* constant this-device information - 64 bytes */
