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

From: Stephen C. Tweedie (
Date: Tue Feb 06 2001 - 19:21:07 EST


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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:00:25 EST