Messages in this thread | | | Subject | Re: [PATCH] Hack to get dvd-burning at 8x (instead of 3x) with ide-cd (2.6.11) | From | Peter Osterlund <> | Date | 26 Mar 2005 17:12:48 +0100 |
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Linh Dang <dang.linh@gmail.com> writes:
> I'd like to receive comments/guide-lines about a hack I made to the > 2.6.11 kernel to improve DVD-burning speed (using growisofs.) > > The basic idea is the 16-pages pipe between mkisofs and growisofs is > too small for DVD burning (typical 4GB of data.) > > In the hack, pipe_new will simply check for, if privileges permitted, > the enviroment variable > PIPE_MAX_ORDER to see if a (much) longer pipe is requested. > > This hack enable me to burn DVD at 8X (instead of 3X) on my old > P3-450MHz (with growisofs and mkisofs running at SCHED_FIFO.)
This problem is likely caused by limited filesystem and/or hard disk performance, not a slow CPU. You don't need a kernel patch to get a bigger buffer though. See:
http://article.gmane.org/gmane.comp.audio.cd-record/2253
-- Peter Osterlund - petero2@telia.com http://web.telia.com/~u89404340 - 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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