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Date: Thu, 17 Feb 2005 16:15:44 +0000
From: Joseph Koshy <joseph.koshy@gmail.com>
To: Julian Elischer <julian@elischer.org>
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References: <1108584730.95661.12.camel@server.mcneil.com>
	 <20050216201716.GA28436@odin.ac.hmc.edu>
	 <4213B3C8.3090508@centtech.com>
	 <1108588393.12275.9.camel@server.mcneil.com>
	 <20050216214031.GA2787@odin.ac.hmc.edu> <4213D3AA.70809@elischer.org>
cc: current@freebsd.org
Subject: Re: where did all my memory go? (file system cache)
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> what I want is:
> 
> int fd = open("myfile",...);
> write1GBfiletodisk(fd, data);
> ioctl(fd, PURGEFROMCACHE);
> perform_md5(fd);
> 
> and be sure that teh MD5 is that of what is on the disk.
> not what is in RAM.

unmount(file-system-of("myfile")) (even if it fails) ?

-- 
FreeBSD Volunteer, http://people.freebsd.org/~jkoshy