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Date: Tue, 16 Dec 2008 17:45:45 -0800 From: Dan Mick <dan.mick@....com> To: Arnd Bergmann <arnd@...db.de> CC: Gerd Hoffmann <kraxel@...hat.com>, linux-arch@...r.kernel.org, Matthew Wilcox <matthew@....cx>, opensolaris-code@...nsolaris.org, linux-kernel@...r.kernel.org, opensolaris-rfe@...nsolaris.org, Ulrich Drepper <drepper@...hat.com> Subject: Re: [osol-code] [PATCH v2] Add preadv and pwritev system calls. Arnd Bergmann wrote: > On Monday 15 December 2008, Gerd Hoffmann wrote: >> Jennifer Pioch wrote: >>> On 12/12/08, Gerd Hoffmann <kraxel@...hat.com> wrote: >>>> Free- and OpenBSD have it too. For Solaris I've found a feature request >>>> only. Dunno about MacOS/Darwin. Other un*xes which are important these >>>> days? >>> Do you know the ID of the feature request? >> #1167819 @ bugs.opensolaris.org >> > > Looks like they've been working on it for some time: > "Submit Date 25-MAY-1994"! > > Arnd <>< No one's expended any serious time on it at all, it looks like, other than discussion. I see the one comment says that it can be done with lio_listio(3RT) (apparently in LIO_WAIT mode), and that interface does seem to offer all the preadv/pwritev functionality. That's not to say that we shouldn't implement preadv/pwritev literally, just that there should be a way to get that sort of functionality today. -- 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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