lkml.org 
[lkml]   [2022]   [Oct]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH RFC v3 08/22] scsi: scsi_transport_sas: Alloc sdev for expander
    Date
    Allocate a scsi device for an expander for sending SMP commands on the
    expander sdev request queue.

    Use channel=1 to not conflict with scsi target devices.

    Signed-off-by: John Garry <john.garry@huawei.com>
    ---
    drivers/scsi/scsi_transport_sas.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
    index 2f88c61216ee..da075dfc7cd0 100644
    --- a/drivers/scsi/scsi_transport_sas.c
    +++ b/drivers/scsi/scsi_transport_sas.c
    @@ -1548,6 +1548,11 @@ int sas_rphy_add(struct sas_rphy *rphy)

    scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id, lun,
    SCSI_SCAN_INITIAL);
    + } else if (identify->device_type == SAS_EDGE_EXPANDER_DEVICE ||
    + identify->device_type == SAS_FANOUT_EXPANDER_DEVICE) {
    +
    + if (!scsi_get_dev(&rphy->dev, 1, rphy->scsi_target_id, 0))
    + return -ENODEV;
    }

    return 0;
    @@ -1627,6 +1632,7 @@ sas_rphy_remove(struct sas_rphy *rphy)
    case SAS_EDGE_EXPANDER_DEVICE:
    case SAS_FANOUT_EXPANDER_DEVICE:
    sas_remove_children(dev);
    + scsi_remove_target(dev);
    break;
    default:
    break;
    --
    2.35.3
    \
     
     \ /
      Last update: 2022-10-25 11:51    [W:2.239 / U:0.112 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site