* O_DIRECT broken in stock 2.4.13
@ 2001-11-14 14:18 Terje Eggestad
2001-11-14 20:50 ` Chris Wright
0 siblings, 1 reply; 3+ messages in thread
From: Terje Eggestad @ 2001-11-14 14:18 UTC (permalink / raw)
To: linux-kernel
Hi
open( , O_DIRECT) succeds, fcntl set and unset of the O_DIRECT flag is
ok, but I get buffered writes anyway.
This works in 2.4.10
TJ
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Terje Eggestad terje.eggestad@scali.no
Scali Scalable Linux Systems http://www.scali.com
Olaf Helsets Vei 6 tel: +47 22 62 89 61 (OFFICE)
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: O_DIRECT broken in stock 2.4.13
2001-11-14 14:18 O_DIRECT broken in stock 2.4.13 Terje Eggestad
@ 2001-11-14 20:50 ` Chris Wright
2001-11-15 3:03 ` Andrea Arcangeli
0 siblings, 1 reply; 3+ messages in thread
From: Chris Wright @ 2001-11-14 20:50 UTC (permalink / raw)
To: Terje Eggestad; +Cc: linux-kernel
* Terje Eggestad (terje.eggestad@scali.no) wrote:
> Hi
>
> open( , O_DIRECT) succeds, fcntl set and unset of the O_DIRECT flag is
> ok, but I get buffered writes anyway.
>
> This works in 2.4.10
iirc, this was disabled shortly after 2.4.10 (like 2.4.11-pre1 or 2).
i believe the flag is still valid, however, i think the direct_io internals
were removed.
cheers,
-chris
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: O_DIRECT broken in stock 2.4.13
2001-11-14 20:50 ` Chris Wright
@ 2001-11-15 3:03 ` Andrea Arcangeli
0 siblings, 0 replies; 3+ messages in thread
From: Andrea Arcangeli @ 2001-11-15 3:03 UTC (permalink / raw)
To: Terje Eggestad, linux-kernel; +Cc: Marcelo Tosatti, Linus Torvalds
On Wed, Nov 14, 2001 at 12:50:48PM -0800, Chris Wright wrote:
> * Terje Eggestad (terje.eggestad@scali.no) wrote:
> > Hi
> >
> > open( , O_DIRECT) succeds, fcntl set and unset of the O_DIRECT flag is
> > ok, but I get buffered writes anyway.
> >
> > This works in 2.4.10
>
> iirc, this was disabled shortly after 2.4.10 (like 2.4.11-pre1 or 2).
> i believe the flag is still valid, however, i think the direct_io internals
> were removed.
Yes, I fixed it in my tree.
ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.15pre1aa1/00_o_direct-4
Please Linus or Marcelo apply the above patch to the kernel.
Andrea
^ permalink raw reply [flat|nested] 3+ messages in thread
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2001-11-14 14:18 O_DIRECT broken in stock 2.4.13 Terje Eggestad
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2001-11-15 3:03 ` Andrea Arcangeli
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