Messages in this thread | | | Date | Mon, 10 Oct 2005 12:08:56 -0400 | From | Benjamin LaHaise <> | Subject | Re: AIO!! |
| |
On Mon, Oct 10, 2005 at 07:09:08PM +0530, Karthik Sarangan wrote: > I wrote a small program to do Async IO from a raw disk > open has no problems. > My program gets stuck up at aio_read(paio); > !!WHY!!
O_DIRECT buffers must be aligned on block sized boundaries (minimum 512 bytes). Check the actual return code from the aiocb and you'll find that it is likely -EINVAL, no -EINPROGRESS. See the man page for posix_memalign() to properly align the pointer.
-ben - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |