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[SCSI] aacraid: expanded expose physical device code (new)

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Received from Mark Salyzyn,

Take the expose_physicals flag and allow the user to select default (physicals
available via /dev/sg), exposed (physicals available via /dev/sd for
experimental reasons) and hidden (physicals blocked from all access). This
expands the functionality of the previous expose_physicals insmod parameter
which was added to support some experimental configurations.

Signed-off-by Mark Haverkamp <markh@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mark Haverkamp
2007-01-26 09:23:32 -08:00
committed by James Bottomley
parent e8f32de52c
commit e37ee4bec6
2 changed files with 10 additions and 6 deletions
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12
drivers/scsi/aacraid/linit.c
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@@ -398,11 +398,15 @@ static int aac_slave_configure(struct scsi_device *sdev)
sdev->skip_ms_page_3f = 1;
}
if ((sdev->type == TYPE_DISK) &&
!expose_physicals &&
(sdev_channel(sdev) != CONTAINER_CHANNEL)) {
struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
sdev->no_uld_attach = 1;
if (expose_physicals == 0)
return -ENXIO;
if (expose_physicals < 0) {
struct aac_dev *aac =
(struct aac_dev *)sdev->host->hostdata;
if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
sdev->no_uld_attach = 1;
}
}
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) == CONTAINER_CHANNEL)) {