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SubjectRe: [ANNOUNCE] Ext3 vs Reiserfs benchmarks
On Mon, 15 Jul 2002, Thunder from the hill wrote:

> Hi,
>
> On 15 Jul 2002, Patrick J. LoPresti wrote:
> > Note that this means writing a truly reliable shell or Perl script is
> > tricky. I suppose you can "use POSIX qw(fsync);" in Perl. But what do
> > you do for a shell script? /bin/sync :-) ?
>
> Write a binary (/usr/bin/fsync) which opens a fd, fsync it, close it, be
> done with it.

Or steal one from FreeBSD (written by Paul Saab), fix the err() function
and be done with it.

.../usr.bin/fsync/fsync.{1,c}
Interesting side note -- mind the O_RDONLY:

for (i = 1; i < argc; ++i) {
if ((fd = open(argv[i], O_RDONLY)) < 0)
err(1, "open %s", argv[i]);
if (fsync(fd) != 0)
err(1, "fsync %s", argv[1]);
close(fd);
}
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