On Sat, May 12, 2007 at 01:21:41PM +0200, Jan Engelhardt wrote: > > On May 10 2007 10:38, Matt Mackall wrote: > >> > >> for i in `seq 20`; do > >> hg clone -U --pull a b-$i > >> hg verify b-$i # always OK > >> umount /home > >> sleep 5 > >> mount /home > >> hg verify b-$i # often found truncated files > >> done > >> > [...] > > > >This test looks like it should consist solely of open-for-append and > >write on about 20k files in the target directory. Because of the > >--pull, no hardlinks are involved. It shouldn't be all that different > >from doing tar cf - a | tar xf - b. > > > >The files get visited in alphabetical order, so the start of the > >corruption may be telling. > > You should not assume alphabetical order. Filesystems may be free to > reorder things and return them (1) randomly like in a hash (2) by > creation time during readdir(). There is no assumption. Mercurial explicitly visits files in alphabetical order for the above commands. -- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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