On Mon, Jul 14, 2014 at 11:24:05AM +0400, Ilya Dryomov wrote: > On Mon, Jul 14, 2014 at 2:55 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > On Sun, Jul 13, 2014 at 09:01:13PM +0400, Ilya Dryomov wrote: > >> On Sun, Jul 13, 2014 at 5:48 AM, Samuel Just <sam.just@xxxxxxxxxxx> wrote: > >> I think if you call fsync() or even > >> fdatasync() before close(fd), it will fail as expected. > > > > Only if you are trying to change the extent size immediately after > > the first write you do to an empty file. Which is, as per the above, > > not the recommended or intended use of the ioctl. > > That's understood, but that is exactly what Sam's test program happens > to try to do, so I had to point the "file w/o real extents" thing out. Oh, I missed that there was a test program attached. That's what happens when people top post a reply then attach text at the bottom.... Moral of the story: don't top post ;) Cheersm Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
