__scsi_device_lookup_by_target man page on Scientific

__scsi_device_lookup_by_target man page on Scientific

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__SCSI_DEVICE_LOOKUP(9)		SCSI mid layer	       __SCSI_DEVICE_LOOKUP(9)

NAME
       __scsi_device_lookup_by_target - find a device given the target
       (UNLOCKED)

SYNOPSIS
       struct scsi_device *
							   __scsi_device_lookup_by_target(struct scsi_target * starget,
							   uint lun);

ARGUMENTS
       starget
	   SCSI target pointer

       lun
	   SCSI Logical Unit Number

DESCRIPTION
       Looks up the scsi_device with the specified lun for a given starget.
       The returned scsi_device does not have an additional reference. You
       must hold the host´s host_lock over this call and any access to the
       returned scsi_device. A scsi_device in state SDEV_DEL is skipped.

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

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

       Rob Landley <rob@landley.net>
	   Author.

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

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