On 11/15/06, Phillip Susi <[EMAIL PROTECTED]> wrote:
No, you can not tamper with the underlying data while the kernel has it
mounted.
I don't want to tamper wuith data. I want to raw write back exacty
same raw data that I read in. I only want to make sure that kernel
doesn't write modified data between in between my read-write pair.
Yakov
Yakov Lerner wrote:
> I'd like to make read-write test of the raw disk, and disk has
> mounted partitions. Is it possible to lock range of sectors
> of the raw device so that any kernel code that wants to write
> to this range will sleep ? (so that test
> { lock range; read /dev/hda->buf; write buf->/dev/hda; unlock }
> won't corrupt the filesysyem ?)
>
> Thanks
> Yakov
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