Date: Sat, 9 Jun 2001 09:29:55 +0700 (ALMST) From: Boris Popov <bp@butya.kz> To: Alfred Perlstein <bright@rush.net> Cc: Peter Wemm <peter@wemm.org>, tlambert2@mindspring.com, "Patrick W. Penzias Dirks" <pwd@apple.com>, FreeBSD-FS@FreeBSD.ORG, FreeBSD-Arch@FreeBSD.ORG Subject: Re: Support for pivot_root-like system call? Message-ID: <Pine.BSF.4.21.0106090922230.72173-100000@lion.butya.kz> In-Reply-To: <20010608130128.E1832@superconductor.rush.net>
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On Fri, 8 Jun 2001, Alfred Perlstein wrote: > The cache coherency bugs are not fixed for all cases, being able to > ask the underlying filesystem for the vm_object does not solve the > problem. > > What if i have a stacking layer where each page alternates > between two files that i'm stacked on top of? This is a case of "fan-out" stacking and such filesystems are much more complex than fan-in ones. VOP_*VOBJECT() were specifically designed for fan-in type of stacking. -- Boris Popov http://www.butya.kz/~bp/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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