Messages in this thread | | | Date | Wed, 6 Aug 2003 12:17:59 -0700 | From | Andrew Morton <> | Subject | Re: O_DIRECT |
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RaTao <ratao@toxyn.org> wrote: > > > Hi! > > While testing linux-2.6.0-test2-mm4 I noticed two things: > > - O_DIRECT doesn't work, at least in ext3, with block size different > from filesystem's blocksize. (It doesn't work with 512 bs, at least). > This works in 2.6.0-test2, from 512 to 4096.
It works OK here.
> - vmstat doesn't show bi/bo for O_DIRECT's disk access.
It does here.
I'd be suspecting your test app: is it checking the return value of all syscalls? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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