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SubjectRe: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

On Tue, Feb 06, 2001 at 08:57:13PM +0100, Ingo Molnar wrote:
> [overhead of 512-byte bhs in the raw IO code is an artificial problem of
> the raw IO code.]

No, it is a problem of the ll_rw_block interface: buffer_heads need to
be aligned on disk at a multiple of their buffer size. Under the Unix
raw IO interface it is perfectly legal to begin a 128kB IO at offset
512 bytes into a device.

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