proc_scsi_write man page on Scientific

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PROC_SCSI_WRITE(9)		SCSI mid layer		    PROC_SCSI_WRITE(9)

NAME
       proc_scsi_write - handle writes to /proc/scsi/scsi

SYNOPSIS
       ssize_t proc_scsi_write(struct file * file, const char __user * buf,
			       size_t length, loff_t * ppos);

ARGUMENTS
       file
	   not used

       buf
	   buffer to write

       length
	   length of buf, at most PAGE_SIZE

       ppos
	   not used

DESCRIPTION
       this provides a legacy mechanism to add or remove devices by Host,
       Channel, ID, and Lun. To use, “echo ´scsi add-single-device 0 1 2 3´ >
       /proc/scsi/scsi” or “echo ´scsi remove-single-device 0 1 2 3´ >
       /proc/scsi/scsi” with “0 1 2 3” replaced by the Host, Channel, Id, and
       Lun.

NOTE
       this seems to be aimed at parallel SCSI. Most modern busses (USB, SATA,
       Firewire, Fibre Channel, etc) dynamically assign these values to
       provide a unique identifier and nothing more.

AUTHORS
       James Bottomley <James.Bottomley@hansenpartnership.com>
	   Author.

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		    PROC_SCSI_WRITE(9)
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