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Message-ID: <c384c5ea0905230545l6bedf344haa2757e99a9b900a@mail.gmail.com> Date: Sat, 23 May 2009 14:45:21 +0200 From: Leon Woestenberg <leon.woestenberg@...il.com> To: Michal Hocko <mhocko@...e.cz> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, devel@...uxdriverproject.org Subject: Re: Rich man's version of AIO on Linux 2.6.x? Hello, On Fri, May 22, 2009 at 4:54 PM, Michal Hocko <mhocko@...e.cz> wrote: > On Fri 22-05-09 02:59:53, Leon Woestenberg wrote: >> On the state-of-art of asynchronous I/O in Linux. I understand we have >> full support for AIO in the Linux 2.6.x kernel but I cannot find how >> to use it from user space. >> >> I would like to exploit AIO in hardware and the device driver for it, >> by keeping the hardware performing I/O at all times (no setup latency >> between requests by allowing multiple >> I/O requests to be queued in hardware). Note this is a character >> device, not a filesystem. > > Check the libaio library (io_submit and friends) > Thanks, I checked the libaio library. It does not support the POSIX interface, which I'ld like to use to keep things portable. The http://www.bullopensource.org/posix/ library is more promising in that regard but it doesn't seem maintained. Regards, -- Leon -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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