Info about a node in the /sys device file system

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Hello,

Is there a way I can get info about a (leaf) node in the /sys device file system.  I am trying to write a value to a leaf node, that is writable, but keep getting errors.  Is there a way I can use some command line tool to query the device file system to get info about the leaf node, eg. text description, valid values, etc.

As an example, I am trying to invoke "scanning" for host2, using the folloing leaf node:
/sys/class/scsi_host/host2/scan

Regards,
Ahmed.



      

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