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DDF: layout_md2ddf: new md->DDF layout conversion
authormwilck@arcor.de <mwilck@arcor.de>
Wed, 3 Jul 2013 20:27:52 +0000 (22:27 +0200)
committerNeilBrown <neilb@suse.de>
Mon, 8 Jul 2013 06:46:32 +0000 (16:46 +1000)
commita3163bf0691494adbf2e2b99f1826ca5a849ee93
tree8adc4217d2c837944ba9a11c75db909b205b8fc5tree | snapshot
parent8a2848a700e924471db0a324311992154d466bc3commit | diff
DDF: layout_md2ddf: new md->DDF layout conversion

Support for RAID 10 makes it necessary to rewrite the algorithm
for deriving DDF layout from MD layout. The functions level_to_prl
and layout_to_rlq are combined in a single function that takes
md layout parameters and converts them to DDF.

Signed-off-by: Martin Wilck <mwilck@arcor.de>
Signed-off-by: NeilBrown <neilb@suse.de>
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