[PATCH] md: fix duplicity of levels in md.txt
md.txt has two sections describing the 'level' sysfs attribute, and some of
the text is out-of-date. So make just one section, and make it right.
Cc: Christian Kujau <evil@g-house.de>
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 084ecf4e..9ae9e40 100644
--- a/Documentation/md.txt
+++ b/Documentation/md.txt
@@ -154,11 +154,12 @@
All md devices contain:
level
- a text file indicating the 'raid level'. This may be a standard
- numerical level prefixed by "RAID-" - e.g. "RAID-5", or some
- other name such as "linear" or "multipath".
+ a text file indicating the 'raid level'. e.g. raid0, raid1,
+ raid5, linear, multipath, faulty.
If no raid level has been set yet (array is still being
- assembled), this file will be empty.
+ assembled), the value will reflect whatever has been written
+ to it, which may be a name like the above, or may be a number
+ such as '0', '5', etc.
raid_disks
a text file with a simple number indicating the number of devices
@@ -192,14 +193,6 @@
1.2 (newer format in varying locations) or "none" indicating that
the kernel isn't managing metadata at all.
- level
- The raid 'level' for this array. The name will often (but not
- always) be the same as the name of the module that implements the
- level. To be auto-loaded the module must have an alias
- md-$LEVEL e.g. md-raid5
- 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