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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)
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 72e8a324dcf..00934415675 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 6ba830fa853..ffa2efbbe38 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 */