Commit db5a6a60 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin K. Petersen

scsi_dh_alua: Disable ALUA handling for non-disk devices

Non-disk devices might support ALUA, but the firmware
implementation is untested and frequently broken.
As we're don't actually need it disable ALUA support
for non-disk device for now.
Signed-off-by: default avatarHannes Reinecke <>
Reviewed-by: default avatarBart Van Assche <>
Reviewed-by: default avatarChristoph Hellwig <>
Reviewed-by: default avatarMartin K. Petersen <>
Reviewed-by: default avatarJohannes Thumshirn <>
Signed-off-by: default avatarMartin K. Petersen <>
parent 221255ae
......@@ -320,6 +320,18 @@ static int alua_check_tpgs(struct scsi_device *sdev, struct alua_dh_data *h)
int err = SCSI_DH_OK;
* ALUA support for non-disk devices is fraught with
* difficulties, so disable it for now.
if (sdev->type != TYPE_DISK) {
h->tpgs = TPGS_MODE_NONE;
sdev_printk(KERN_INFO, sdev,
"%s: disable for non-disk devices\n",
h->tpgs = scsi_device_tpgs(sdev);
switch (h->tpgs) {
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