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SubjectRe: O_DIRECT fails in some kernel and FS
In article <3C5AFE2D.95A3C02E@zip.com.au> you wrote:
>> Oliver Diedrich also told he could make work O_DIRECT with ext3 and 2.4.17.
>>
>> Is this normal? Does it really work on 2.4.14? Or it doesn't but the kernel
>> doesn't avoid caching?
>>
>
> ext2 is the only filesystem which has O_DIRECT support.

You forgot JFS and XFS. Also there is a patche for NFS, but this one
requires a prototype change for ->directIO.

Christoph

--
Of course it doesn't work. We've performed a software upgrade.
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