Date: Fri, 10 Dec 2010 18:29:15 +0300 From: Lev Serebryakov <lev@serebryakov.spb.ru> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-hackers@freebsd.org, freebsd-geom@freebsd.org Subject: Re: Where userland read/write requests, whcih is larger than MAXPHYS, are splitted? Message-ID: <1272967424.20101210182915@serebryakov.spb.ru> In-Reply-To: <4D02413F.8020007@freebsd.org> References: <1365605559.20101210162253@serebryakov.spb.ru> <4D023DB7.9080509@freebsd.org> <4D02413F.8020007@freebsd.org>
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Hello, Andriy. You wrote 10 =E4=E5=EA=E0=E1=F0=FF 2010 =E3., 18:03:27: > on 10/12/2010 16:48 Andriy Gapon said the following: >> But maybe I misunderstood your question and you talked about a different= I/O layer >> or different I/O path. > Oh, probably you talk about physread/physwrite =3D=3D physio. > Indeed, it issues bio-s with max size of si_iosize_max and runs them sequ= entially. Yep, I'm talking about this case. See my message to Alexander Motin with explanation why I think sequential processing here is not good idea. --=20 // Black Lion AKA Lev Serebryakov <lev@serebryakov.spb.ru>
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