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[PATCH] md: Allow raid 'layout' to be read and set via sysfs
Signed-off-by: Neil Brown <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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@ -200,6 +200,11 @@ All md devices contain:
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This can be written only while the array is being assembled, not
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after it is started.
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layout
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The "layout" for the array for the particular level. This is
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simply a number that is interpretted differently by different
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levels. It can be written while assembling an array.
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new_dev
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This file can be written but not read. The value written should
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be a block device number as major:minor. e.g. 8:0
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