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From
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SubjectRe: Linux Buffer Cache Does Not Support Mirroring
Hi,

On Tue, 02 Nov 1999 12:30:01 -0700, "Jeff V. Merkey"
<jmerkey@timpanogas.com> said:

> This is only supported on the newer kernels. Older Linux (2.0.38) does
> not support a general purpose interface, or support the callback.

2.0 is also not an appropriate base on which to design a new
filesystem.

> means that we will need to support multiple methods of doing this I/O to
> cover all Linux versions. It appears we will be synchronous on 2.0.38
> and older Linux.

Fine --- there's no need to expect a good match between a new filesystem
and an ancient kernel.

--Stephen

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