diff options
Diffstat (limited to 'drivers/scsi/device_handler/scsi_dh_alua.c')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_alua.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index e356b43753ff..dba154c8ff64 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -247,8 +247,8 @@ static unsigned submit_stpg(struct scsi_device *sdev, struct alua_dh_data *h) /* Prepare the data buffer */ memset(h->buff, 0, stpg_len); h->buff[4] = TPGS_STATE_OPTIMIZED & 0x0f; - h->buff[6] = (h->group_id >> 8) & 0x0f; - h->buff[7] = h->group_id & 0x0f; + h->buff[6] = (h->group_id >> 8) & 0xff; + h->buff[7] = h->group_id & 0xff; rq = get_alua_req(sdev, h->buff, stpg_len, WRITE); if (!rq) @@ -461,6 +461,15 @@ static int alua_check_sense(struct scsi_device *sdev, */ return ADD_TO_MLQUEUE; } + if (sense_hdr->asc == 0x3f && sense_hdr->ascq == 0x0e) { + /* + * REPORTED_LUNS_DATA_HAS_CHANGED is reported + * when switching controllers on targets like + * Intel Multi-Flex. We can just retry. + */ + return ADD_TO_MLQUEUE; + } + break; } @@ -691,6 +700,7 @@ static const struct scsi_dh_devlist alua_dev_list[] = { {"IBM", "2107900" }, {"IBM", "2145" }, {"Pillar", "Axiom" }, + {"Intel", "Multi-Flex"}, {NULL, NULL} }; |