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author	James Bottomley <James.Bottomley@SteelEye.com>
	Sun, 2 Dec 2007 17:10:40 +0000 (19:10 +0200)
committer	James Bottomley <James.Bottomley@HansenPartnership.com>
	Sat, 12 Jan 2008 00:22:50 +0000 (18:22 -0600)
commit	001aac257cf8adbe90cdcba6e07f8d12dfc8fa6b
tree	0eb6294049245e05f47fdb76e3f878c78c015d88	tree \| snapshot
parent	4a03d90e35bc5273d27301fa669d4b2103196f94	commit \| diff

[SCSI] sd,sr: add early detection of medium not present

The current scsi_test_unit_ready() is updated to return sense code
information (in struct scsi_sense_hdr). The sd and sr drivers are
changed to interpret the sense code return asc 0x3a as no media and
adjust the device status accordingly.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

John Crispins staging tree

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drivers/scsi/scsi_ioctl.c		diff \| blob \| history
drivers/scsi/scsi_lib.c		diff \| blob \| history
drivers/scsi/sd.c		diff \| blob \| history
drivers/scsi/sr.c		diff \| blob \| history
include/scsi/scsi_device.h		diff \| blob \| history