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    SubjectRe: [patch] libata: add ioctls to support SMART
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    John W. Linville wrote:
    | Support for HDIO_DRIVE_CMD and HDIO_DRIVE_TASK in libata. Useful for
    | supporting SMART w/ unmodified smartctl and smartd userland binaries.
    |
    | Not happy w/ loop after failed ata_qc_new_init(), but needed because
    smartctl
    | and smartd did not retry after failure. Likely need an option to wait for
    | available qc? Also not sure all the error return codes are correct...

    Hi,

    I just tried to give it a go with libata from 2.6.9-rc1. I had to fix
    one rejects but the patching seemed to go fine beside that. Nevertheless
    after a boot with patched libata I get:

    smartctl -a /dev/sda
    smartctl version 5.30 Copyright (C) 2002-4 Bruce Allen
    Home page is http://smartmontools.sourceforge.net/

    Device: ATA SAMSUNG SP1614N Version: TM10
    Serial number: 0735J1FW702444
    Device type: disk
    Local Time is: Mon Aug 30 19:44:23 2004 CEST
    Device does not support SMART

    Device does not support Error Counter logging

    [GLTSD (Global Logging Target Save Disable) set. Enable Save with '-S on']
    Device does not support Self Test logging


    I am pretty sure my drive supports SMART. I hope that I understood your
    post correctly that with this patch it should work.

    Cheers,

    Prakash
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