Date: Sun, 02 Mar 2003 10:53:32 -0800 From: Peter Wemm <peter@wemm.org> To: "Alan L. Cox" <alc@imimic.com> Cc: arch@freebsd.org Subject: Re: Removal of ENABLE_VFS_IOOPT Message-ID: <20030302185332.4D54B2A89E@canning.wemm.org> In-Reply-To: <3E619B26.DF1E4FC7@imimic.com>
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"Alan L. Cox" wrote: > Before I begin work on vm_object locking, I'd like to remove > ENABLE_VFS_IOOPT from the kernel sources. ENABLE_VFS_IOOPT was a > work-in-progress by John Dyson to perform zero-copy file system I/O. > Unfortunately, it still has some unresolved issues, and no one has taken > an active interest in fixing them. Hold on a second.. I thought the zero-copy folks fixed this up and it is required for turning on zero-copy mode etc. I remember they added code to fix the read() coherency problems. Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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