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authorAndre Noll <maan@systemlinux.org>2009-06-18 08:46:47 +1000
committerNeilBrown <neilb@suse.de>2009-06-18 08:46:47 +1000
commitcdc2ae6d6a30df8fd92c5e300d0e3005e13eb6b0 (patch)
treef64a34e565e8b8c8e983b278d9f17162a0f76ecc
parent0ba459d26260d4d13346c76642f461b2bf607eef (diff)
downloadlinux-cdc2ae6d6a30df8fd92c5e300d0e3005e13eb6b0.tar.gz
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>
-rw-r--r--drivers/md/raid5.c2
-rw-r--r--include/linux/raid/md_p.h2
2 files changed, 1 insertions, 3 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 72e8a324dcfb..009344156751 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5231,8 +5231,6 @@ static void *raid5_takeover(mddev_t *mddev)
 	 *  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 6ba830fa8538..ffa2efbbe382 100644
--- a/include/linux/raid/md_p.h
+++ b/include/linux/raid/md_p.h
@@ -232,7 +232,7 @@ struct mdp_superblock_1 {
 	__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 */