Date: Thu, 19 Jul 2012 09:07:49 -0700 From: Matthew Jacob <mj@feral.com> To: freebsd-arch@freebsd.org Subject: Re: aio in GENERIC? Message-ID: <500830D5.6000409@feral.com> In-Reply-To: <CAJ-Vmo=n=5LAcMS=WPBKNpPB3HZmn2UK9z_gS0R_2bFwHGMEag@mail.gmail.com> References: <3CE55F29-A5B2-44A7-8854-1ED38BAE6F16@FreeBSD.org> <50075072.5050906@gmail.com> <500752CD.9030107@feral.com> <CAJ-Vmo=n=5LAcMS=WPBKNpPB3HZmn2UK9z_gS0R_2bFwHGMEag@mail.gmail.com>
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On 7/19/2012 8:58 AM, Adrian Chadd wrote: > .. the API supports the avoidance of copyin/copyout? > > okay, I'll buy that, although I'm not certain of the utility in general of that. The reason I asked was that I have rarely, if ever, run into an AIO implementation that was more trouble than it was worth. It certainly has caused major grief in FreeBSD when used with CAM target mode.
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