[PATCH] md: Allow raid 'layout' to be read and set via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/Documentation/md.txt b/Documentation/md.txt
index 4cf5972..80f1587 100644
--- a/Documentation/md.txt
+++ b/Documentation/md.txt
@@ -200,6 +200,11 @@
This can be written only while the array is being assembled, not
after it is started.
+ layout
+ The "layout" for the array for the particular level. This is
+ simply a number that is interpretted differently by different
+ levels. It can be written while assembling an array.
+
new_dev
This file can be written but not read. The value written should
be a block device number as major:minor. e.g. 8:0