On Tue, 30 Aug 2005 19:07:55 +0800 jeff shia wrote: > 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?
What media did you have in the drive? For me, with a CD-ROM, I get the same that you reported, but with a DVD+RW disc, it opens successfully. > On 8/30/05, Tino Keitel <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 > > > > - --- ~Randy - 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/