Messages in this thread | | | Date | Wed, 7 Feb 2001 00:21:07 +0000 | From | "Stephen C. Tweedie" <> | Subject | Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait |
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Hi,
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.
--Stephen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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