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authorTony Battersby <tonyb@cybernetics.com>2007-11-12 10:00:44 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-11 18:22:44 -0600
commit25d7c363f2663fe399e623c9bd819258c9760bdc (patch)
treec03867708e9f66e236163e81913cdd1c516e9f12 /Documentation/rfkill.txt
parentf28cd7cf8f696eafe42d1632b5a306fbf784d3cd (diff)
[SCSI] move single_lun flag from scsi_device to scsi_target
Some SCSI tape medium changers that need the BLIST_SINGLELUN flag have the medium changer at one LUN and the tape drive at a different LUN. The inquiry string of the tape drive may be different from that of the medium changer. In order for single_lun to be effective, every scsi_device under a given scsi_target must have it set. This means that there needs to be a blacklist entry for BOTH the medium changer AND the tape drive, which is impractical because some medium changers may be paired with a variety of different tape drive models. It makes more sense to put the single_lun flag in scsi_target instead of scsi_device, which causes every device at a given target ID to inherit the single_lun flag from one LUN. This makes it possible to blacklist just the medium changer and not the tape drive. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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