Date: Tue, 16 Feb 1999 23:16:04 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: amarks@sarnoff.com Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Memory-Based VFS Question Message-ID: <199902162316.QAA09873@usr08.primenet.com> In-Reply-To: <36C9E1A8.40F6780B@sarnoff.com> from "AARON MARKS" at Feb 16, 99 04:22:48 pm
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> I'm implementing a memory-based VFS on 3.0-19981123. I have almost all > of the VOP_* functions implemented but I ran into a slight problem with > file copies. If I copy a file from and to a dir mounted on my fs, the > kernel calls mmap to map the data in (I guess it would call vop_read if > the data was too large). My problem is that the kernel never calls my > vop_mmap (not even sure if it's supposed to) so I never get the > opportunity to copy the data from my fs to kernel space so the data in > the io vector pased to me at vop_write is invalid. Any ideas? It will use VOP_GETPAGES/VOP_PUTPAGES. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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