* non-buffers writes
@ 2000-08-01 14:01 BenHanokh Gabriel
2000-08-14 8:16 ` Stephen C. Tweedie
0 siblings, 1 reply; 2+ messages in thread
From: BenHanokh Gabriel @ 2000-08-01 14:01 UTC (permalink / raw)
To: linux-mm
hi
how can i do direct writes to disk without the buffer-cache overhead?
i failed to see any relevant flag to open() , nor any fnctl()
THX
/gabi
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* Re: non-buffers writes
2000-08-01 14:01 non-buffers writes BenHanokh Gabriel
@ 2000-08-14 8:16 ` Stephen C. Tweedie
0 siblings, 0 replies; 2+ messages in thread
From: Stephen C. Tweedie @ 2000-08-14 8:16 UTC (permalink / raw)
To: BenHanokh Gabriel; +Cc: linux-mm
Hi,
On Tue, Aug 01, 2000 at 05:01:14PM +0300, BenHanokh Gabriel wrote:
>
> how can i do direct writes to disk without the buffer-cache overhead?
> i failed to see any relevant flag to open() , nor any fnctl()
Via /dev/raw/raw* raw devices ("man raw"). We plan much more powerful
direct IO functionality for 2.5 (which should support O_DIRECT opening
of devices and regular files), but for now raw IO is the only
supported mechanism.
Cheers,
Stephen
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2000-08-01 14:01 non-buffers writes BenHanokh Gabriel
2000-08-14 8:16 ` Stephen C. Tweedie
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