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    SubjectRe: Re: Re[8]: problems with scsi_transport_fc and qla2xxx
    Hi Andrew!
    Unfortunately I see that scan-work patch is not included in
    2.6.16 and the usual lock appears:
    #001: [ffff8100708a8080] {scsi_host_alloc}
    .. held by: scsi_wq_4: 3912 [ffff810071edf870, 110]
    ... acquired at: scsi_scan_target+0x51/0x87 [scsi_mod]

    Applying the patch you sent solves the problem, i.e. disks appear again after
    22 sec timeout (why?).



    Tuesday, March 14, 2006, 2:19:03 AM, you wrote:

    AV> diff --git a/drivers/scsi/scsi_transport_fc.c
    AV> b/drivers/scsi/scsi_transport_fc.c
    AV> index 929032e..3d09920 100644
    AV> --- a/drivers/scsi/scsi_transport_fc.c
    AV> +++ b/drivers/scsi/scsi_transport_fc.c
    AV> @@ -1649,6 +1649,8 @@ fc_remote_port_delete(struct fc_rport *
    AV> return;
    AV> }
    AV> + /* flush any scan work */ /* which can sleep */
    AV> + scsi_flush_work(rport_to_shost(rport));
    AV> scsi_target_block(&rport->dev);
    AV> /* cap the length the devices can be blocked until they are deleted */

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