Re: PATCH: support for IDE devices in ide-scsi with devfs

From: Andre Hedrick (andre@linux-ide.org)
Date: Fri Mar 22 2002 - 04:23:40 EST


Thankyou sir I have been working towards that direction, but glad and
happy you have assisted !

Cheers,

Andre Hedrick
LAD Storage Consulting Group

On 21 Mar 2002, Borsenkow Andrej wrote:

> 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;
>
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Mar 23 2002 - 22:00:27 EST