__starget_for_each_device man page on Scientific

__starget_for_each_device man page on Scientific

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__STARGET_FOR_EACH_D(9)		SCSI mid layer	       __STARGET_FOR_EACH_D(9)

NAME
       __starget_for_each_device - helper to walk all devices of a target
       (UNLOCKED)

SYNOPSIS
       void __starget_for_each_device(struct scsi_target * starget,
				      void * data,
				      void (*fn) (struct scsi_device *, void *));

ARGUMENTS
       starget
	   target whose devices we want to iterate over.

       data
	   parameter for callback fn()

       fn
	   callback function that is invoked for each device

DESCRIPTION
       This traverses over each device of starget. It does _not_ take a
       reference on the scsi_device, so the whole loop must be protected by
       shost->host_lock.

NOTE
       The only reason why drivers would want to use this is because they need
       to access the device list in irq context. Otherwise you really want to
       use starget_for_each_device instead.

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

       Rob Landley <rob@landley.net>
	   Author.

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

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