centos man page for scsi_prep_async_scan

SCSI_PREP_ASYNC_SCAN(9) 					  SCSI mid layer					   SCSI_PREP_ASYNC_SCAN(9)

NAME
       scsi_prep_async_scan - prepare for an async scan

SYNOPSIS
       struct async_scan_data * scsi_prep_async_scan(struct Scsi_Host * shost);

ARGUMENTS
       shost
	   the host which will be scanned

RETURNS
       a cookie to be passed to scsi_finish_async_scan

       Tells the midlayer this host is going to do an asynchronous scan. It reserves the host's position in the scanning list and ensures that
       other asynchronous scans started after this one won't affect the ordering of the discovered devices.

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

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SCSI_PREP_ASYNC_SCAN(9)