Re: [patch] libata: add ioctls to support SMART

[Jeff Garzik]

Prakash K. Cheemplavam wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Prakash K. Cheemplavam wrote:
> | 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.
> ~ > 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
> [snip]
>
> | Device does not support SMART
>
> Just wanted
>
> Just wanted to say that smartctl -a -d ata /dev/sda works, as John
> Linville and now Bruce aLlen suggested to try.


As I noted in another email, be careful...  that patch bypasses the SCSI 
command synchronization, so you could potentially send a SMART command 
to the hardware while another command is still in progress.

	Jeff


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