On Thu, Jan 26, 2006 at 11:25:49AM +0100, Joerg Schilling wrote:
> Tomasz Torcz <[email protected]> wrote:
>
> > > > need to use /dev/hda, but /dev/cdrecorder or whatever. A real user would
> > > > likely be using k3b or something graphical though, and just click on his
> > > > Hitachi/Plextor/whatever burner. Perhaps some fancy udev rules could
> > > > help do this dynamically even.
> > >
> > > Guess why cdrecord -scanbus is needed.
> > >
> > > It serves the need of GUI programs for cdrercord and allows them to retrieve
> > > and list possible drives of interest in a platform independent way.
> >
> > GUI programs tend to retrieve this kind of info form HAL
> > (http://freedesktop.org/wiki/Software_2fhal)
>
> I am not sure what you like to tell with this.
>
> Programs that depend on specific Linux behavior tend to be non-portable (see
> e.g. nautilus on GNOME). Nautilus tries to get e.g. the drive write speeds
> by reading /prov/scsi/******. Besides the fact that this is not available
> elsewhere, it gives incorrect results because there are a lot of DVD writers
> with broken firmware.
This is a fallback if HAL isn't available. Normally this is done by:
drive->max_speed_write = libhal_device_get_property_int
(ctx, device_names [i],
"storage.cdrom.write_speed",
NULL)
/ CD_ROM_SPEED;
(natilus-burn-drive.c:1368 from version 2.12.0).
> Cdrecord implements workarounds for this kind of problems and for this reason,
> the most portable solution for a GUI is to use cdrecord to retrieve the
> information.
Yeah, sure.
/* FIXME we don't have any way to guess the real device
* from the info we get from CDRecord */
(the only FIXME in above mentioned file).
--
Tomasz Torcz 72->| 80->|
[email protected] 72->| 80->|
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
