On 12 May 2010 22:38, Gary Jennejohn <[email protected]> wrote: > On Wed, 12 May 2010 17:53:38 +0000 > Knowledge Seeker <[email protected]> wrote: > >> Hi, >> Is there a way to set birth time to a value greater(newer) than the actual >> birth time (not in the future, but not the current time)? >> The man page utimes(2) says that is only possible to change to an older >> value. >> >> I saw a way to do this by opening a new file, coping the data, setting the >> other attributes, then calling utimes 2 times to set the birth and the >> modification time. >> >> Is there a way to change it without creating a new file? >> > > Not with the current code. vfs_syscalls.c:setutimes() explicitly checks > that the new time is less than va_birthtime. > > Interestingly enough, there's code in the routine to handle what this > comment in utimes(2) mentions, but it's not implemented yet. > > "Ideally a new system call will be added that allows the setting of all > three times at once." >
btw, there's a paper someone can find something interesting at. http://www.usenix.org/events/bsdcon03/tech/full_papers/mckusick/mckusick_html/ -- wbr, pluknet _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
