Re: sr device can be written?

[jeff shia <tshxiayu@gmail.com>]

but It seems that I can not open sr0 with openflags O_RDWR,why?
open("/dev/sr0",O_RDWR);

It says:sr0 is a read only file sytem.
why?

On 8/30/05, Tino Keitel <tino.keitel@gmx.de> wrote:
> On Tue, Aug 30, 2005 at 16:11:58 +0800, jeff shia wrote:
> > YOu mean the device file can be written?
> 
> Yes, like an ordinary block device.
> 
> >
> >
> > On 8/30/05, Tino Keitel <tino.keitel@gmx.de> wrote:
> > > On Tue, Aug 30, 2005 at 12:53:51 +0800, jeff shia wrote:
> > > > Hello,
> > > >  Sr is the Scsi-cdrom device?so it can be read only?but look at the source=
> > > > =20
> > > > code I notice that
> > > > sr can be written also!Is it right?
> > >
> > > Just imagine a DVD-RAM drive.
> > >
> > > Regards,
> > > Tino
> > > -
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