linux-kernel - megaraid sas driver

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Message-ID: <96296.65150.qm@web30203.mail.mud.yahoo.com>
Date:	Tue, 8 Apr 2008 13:41:58 -0700 (PDT)
From:	Rakesh <raksac@...oo.com>
To:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	megaraidlinux@....com
Subject: megaraid sas driver

I am curious to ask, why were these lines omitted from
the megaraid SAS driver with kernel version 2.6.15
onwards.

In my opinion these were blocking physical disks which
were part of a RAID set on the controller from being
visible to OS. Is this correct?

Thanks,
Rakesh

----------------
megaraid_sas.c
                /*
 989                 * Don't export physical disk
devices to mid-layer.
 990                 */
 991                if (!MEGASAS_IS_LOGICAL(cmd->scmd)
&&
 992                    (hdr->cmd_status ==
MFI_STAT_OK) &&
 993                    (cmd->scmd->cmnd[0] ==
INQUIRY)) {
 994
 995                        if (((*(u8 *)
cmd->scmd->request_buffer) & 0x1F) ==
 996                            TYPE_DISK) {
 997                                cmd->scmd->result
= DID_BAD_TARGET << 16;
 998                                exception = 1;
 999                        }
1000                }




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