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[PATCH] md: allow available size of component devices to be set via sysfs
Signed-off-by: Neil Brown <[email protected]> Acked-by: Greg KH <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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@ -250,6 +250,13 @@ Each directory contains:
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the device before this offset us not touched, unless it is
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used for storing metadata (Formats 1.1 and 1.2).
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size
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The amount of the device, after the offset, that can be used
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for storage of data. This will normally be the same as the
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component_size. This can be written while assembling an
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array. If a value less than the current component_size is
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written, component_size will be reduced to this value.
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An active md device will also contain and entry for each active device
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in the array. These are named
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