Date:Sat, 15 Apr 2000 01:35:10 +0200
From: Andi Kleen <[EMAIL PROTECTED]>
On Sat, Apr 15, 2000 at 12:24:16AM +0200, Andrew Clausen wrote:
> i mentioned in some remarks to benno how important i thought it was to
> preallocate the files used for hard disk recording under linu
>PS: Does anyone know how to make a RAW I/O device on a spare disk partition,
>and then put an ext2 over it (running the whole partition in RAWIO mode) ?
>Is that possible ?
I don't think so. The point of raw i/o is to provide character
device-like access to a device that would otherwise be a blo
>Unfortunately efficient preallocation is rather hard with the current
>ext2. To do it efficiently you just want to allocate the blocks in the
>bitmaps without writing into the actual allocated blocks (otherwise
>it would be as slow as the manual write-every-block-from-userspace trick)
yes, its s
Andrew Clausen <[EMAIL PROTECTED]> writes:
> Hi all,
>
> Any comments?From: Paul Barton-Davis <[EMAIL PROTECTED]>
> Subject: [linux-audio-dev] info point on linux hdr
> To: [EMAIL PROTECTED]
> Date: Fri Apr 14 07:10:10 2000 -0500
>
> i mentioned in some remarks to benno how important i thought
On Sat, Apr 15, 2000 at 12:24:16AM +0200, Andrew Clausen wrote:
> i mentioned in some remarks to benno how important i thought it was to
> preallocate the files used for hard disk recording under linux.
[...]
Unfortunately efficient preallocation is rather hard with the current
ext2. To do it ef
I can only say that I am not using any form of preallocation and still get
acceptable performance, even if I am forced to use quite big buffers to
overcome to filesystem latencies.
I tried to compare ext2 to FAT, but I do not get visible differences in terms of
buffer usage spikes (= disk thread b
Hi all,
Any comments?
i mentioned in some remarks to benno how important i thought it was to
preallocate the files used for hard disk recording under linux.
i was doing more work on ardour yesterday, and had the occasion to
create some new "tapes", of lengths from 2 to 40 minutes.
the simple