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    SubjectPATCH: support for IDE devices in ide-scsi with devfs
    Date
    Currently using ide-scsi with devfs does not allow you to use hdparm
    interface because no IDE nodes (block devices) are created. The patch
    adds this.

    Related patch for devfsd that creates old compatibility links is going
    to devfs list. I do not think spcial new compatibility links are needed.

    -andrej

    --- linux-2.4.18-4mdk/drivers/scsi/ide-scsi.c.orig Tue Mar 5 06:08:04 2002
    +++ linux-2.4.18-4mdk/drivers/scsi/ide-scsi.c Thu Mar 21 21:21:31 2002
    @@ -95,6 +95,7 @@
    unsigned long flags; /* Status/Action flags */
    unsigned long transform; /* SCSI cmd translation layer */
    unsigned long log; /* log flags */
    + devfs_handle_t de; /* pointer to IDE device */
    } idescsi_scsi_t;

    /*
    @@ -502,6 +503,8 @@
    */
    static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi, int id)
    {
    + int minor = (drive->select.b.unit) << PARTN_BITS;
    +
    DRIVER(drive)->busy++;
    idescsi_drives[id] = drive;
    drive->driver_data = scsi;
    @@ -516,6 +519,10 @@
    set_bit(IDESCSI_LOG_CMD, &scsi->log);
    #endif /* IDESCSI_DEBUG_LOG */
    idescsi_add_settings(drive);
    + scsi->de = devfs_register(drive->de, "generic", DEVFS_FL_DEFAULT,
    + HWIF(drive)->major, minor,
    + S_IFBLK | S_IRUSR | S_IWUSR,
    + ide_fops, NULL);
    }

    static int idescsi_cleanup (ide_drive_t *drive)
    @@ -524,6 +531,8 @@

    if (ide_unregister_subdriver (drive))
    return 1;
    + if (scsi->de)
    + devfs_unregister(scsi->de);
    drive->driver_data = NULL;
    kfree (scsi);
    return 0;


    -
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