From: Dan Williams <dan.j.williams@intel.com>
Date: Tue, 20 Sep 2011 22:10:19 +0000 (-0700)
Subject: [SCSI] libsas: disable scanning lun > 0 on ata devices
X-Git-Tag: v3.2-rc1~125^2~82
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2fc62e2ac350b8f574e0a09170b350a8f2fa4a02;p=pandora-kernel.git

[SCSI] libsas: disable scanning lun > 0 on ata devices

Currently mvsas and pm8001 have custom ->slave_alloc implementations to
achieve this.  Uplevel it for all libsas drivers as isci encounters problems
with atapi devices when scanning past lun0.

Just do what Darrick suggested [1], and limit the scan for ata devices.

[1] http://marc.info/?l=linux-scsi&m=116604101119861&w=2

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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