From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Date: Mon, 23 Aug 1999 18:32:32 +0000 Subject: Re: Streaming disk I/O kills file buffering and makes Linux unusable Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sound@vger.kernel.org > I'm afraid, if we want that Linux will be a good multimedia OS, this is a > _STRONGLY_NEEDED_ feature. > > The user wants to playback his video/audio from disk, and still be able > to launch his apps, without waiting 10 secs for loading a simple xterm. > > The SCT's raw-io patches are nice, but not very suitable in a general purpose > multimedia enviroment, since you can't tell to the user to store his videos on a > raw partition. Stephens patches are basis of raw I/O on files in a filesystem too. However what you are saying and raw-io don't neccessarily tally. You are actually saying "there is a bug in the current page cache handling for this kind of operation". Far better therefore to fix the heuristic used.