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authorNeilBrown <neilb@suse.de>2006-01-06 00:20:56 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:34:09 -0800
commit93c8cad03f02dbd1532a5413bdced25f000d5728 (patch)
tree80930b6670c21088ed78362fe9281deba82ff7dd /Documentation/md.txt
parent014236d2b8ec6faea2a6134ab8e019d84d67b524 (diff)
downloadtalos-obmc-linux-93c8cad03f02dbd1532a5413bdced25f000d5728.tar.gz
talos-obmc-linux-93c8cad03f02dbd1532a5413bdced25f000d5728.zip
[PATCH] md: export rdev->data_offset via sysfs
Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@@ -244,6 +244,12 @@ Each directory contains:
it currently fills. This can only be set while assembling an
array. A device for which this is set is assumed to be working.
+ offset
+ This gives the location in the device (in sectors from the
+ start) where data from the array will be stored. Any part of
+ the device before this offset us not touched, unless it is
+ used for storing metadata (Formats 1.1 and 1.2).
+
An active md device will also contain and entry for each active device
in the array. These are named
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