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On Tue, 3 Feb 2004, Tomas Zvala wrote: > Hi, > I believe he meant to write he umounted it. > The problem is that there is still some data left in CDRW's cache and it > needs to be emptied. That happens when CDRW is ejected and reinserted > (that is why windows burning software ie. Nero wants to eject the CDR/RW > when it gets written or erased). > Maybe kernel could flush the buffers/caches or whatever is there when > CDROM gets mounted. But im afraid about compatibility with broken drives > such as LG. > > Tomas Zvala That's not what he said and, I assure you that if he unmounted it there would not be any buffers to flush. Execute `man umount`. The problem is that the cd-burner allowed the read-only file-system to be modified while it was mounted. That is an applications problem because the file-system is R/O, but the device is not. The kernel will correctly prevent writes to the R/O file-system, and will correctly allow writes to the underlying device. It is up to the application (cdrecord) to prevent undesired operations. > > Richard B. Johnson wrote: > > >On Tue, 3 Feb 2004, Martin [iso-8859-2] Povolný wrote: > > > > > > > >>I have debian's 2.6.0-686-smp only with PNP BIOS disabled (fails to > >>boot with enabled, as described by other people). > >> > >>I did > >> > >>$ mount /cdrom/ > >>$ ls /cdrom/ > >> > >>got listing of files and directories on the cdrom > >>then > >> > >>$ cdrecord dev=/dev/hdc -blank=fast -v > >>... > >>Blanking time: 21.570s > >>$ mount /cdrom > >>$ ls /cdrom > >> > >> > > > >Can you really initialize the CDROM while it's mounted? Although > >the kernel doesn't care, cdrecord should. Suggest that you > >contact the cdrecord author. > > > >Cheers, > >Dick Johnson > >Penguin : Linux version 2.4.24 on an i686 machine (797.90 BogoMips). > > Note 96.31% of all statistics are fiction. > > > > > >- > >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/ > Cheers, Dick Johnson Penguin : Linux version 2.4.24 on an i686 machine (797.90 BogoMips). Note 96.31% of all statistics are fiction. - 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/ | ||||||||||||
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