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Top Forums Programming Difference between cp and mv linux command Post 302425555 by DreamWarrior on Friday 28th of May 2010 11:59:14 AM
Old 05-28-2010
As for your question. I believe calling fsync has nothing to do with the directory structure, which is entirely up to the file system modules in the kernel. So, I would guess when you mv and power off, the file system has not had a chance to flush its changes. As such, you lose the modifications it made to the directory structure. When you cp the file, it may flush the changes more immediately as it is creating a new file.... This is just a guess.... However, I do not believe your fix lies in the program you are writing, because I am not sure you can programatically control when the file system changes get flushed to disk.
 

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guess-helper(8) 						   NVRAM WakeUp 						   guess-helper(8)

NAME
guess-helper - Tries to guess the configuration by comparing four dumps of the NVRAM. SYNOPSIS
guess-helper DESCRIPTION
guess-helper is a helper program from the package nvram-wakeup. It will guide you through the procedure of creating the files needed for the program guess and eventually will run guess at the end. The output will be a configuration file which might even work ;-) Don't change any other BIOS settings you are not told to change until the procedure is finished. See README.mb for more details. SEE ALSO
nvram-wakeup(8), guess(8), README.mb HOMEPAGE
http://sf.net/projects/nvram-wakeup/ AUTHOR
Written by Sergei Haller <Sergei.Haller@math.uni-giessen.de>. REPORTING BUGS
Report bugs at the bug tracking system (see HOMEPAGE) or on the mailing list nvram-wakeup-devel@lists.sourceforge.net COPYRIGHT
Copyright (C) 2001-2004 Sergei Haller. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Linux Jul 07 2004 guess-helper(8)
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