add 4 io

hc

2023-08-21 ef9e1ccebba20d2e3859126411166909a383f483

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2
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4
5
What:           /sys/block/rssd*/status
Date:           April 2012
KernelVersion:  3.4
Contact:        Asai Thambi S P <asamymuthupa@micron.com>
Description:    This is a read-only file. Indicates the status of the device.