Messages in this thread | | | Date | Sat, 16 Oct 2004 04:13:01 +0100 | From | Joel Becker <> | Subject | Re: [PATCH 1/2] aio: add vectored I/O support |
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On Thu, Oct 14, 2004 at 01:10:01PM -0700, Yasushi Saito wrote: > This is a patch against 2.6.9-rc3-mm3 that add supports for vectored > async I/O. It adds two additional commands, IO_CMD_PREADV and > IO_CMD_PWRITEV to libaio.h. The below is roughly what I did:
How does this differ substantially from lio_listio() of each I/O range? Does it have some significant performance win, or is it just aiming for a completeness that POSIX doesn't (to my knowledge) specify?
Joel
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