On Thu, Aug 22, 2013 at 11:29:01AM +0200, Stefan Hajnoczi wrote: > After trying out a few approaches, here is what I think is the simplest viable > way to print a user-friendly warning if opening a file O_DIRECT fails with > EINVAL. This happens on Linux tmpfs. > > We don't really know why we got EINVAL but if O_DIRECT was used it's a good > clue that the file system does not support O_DIRECT. > > Stefan Hajnoczi (2): > libcacard: link against qemu-error.o for error_report() > osdep: warn if open(O_DIRECT) on fails with EINVAL > > libcacard/Makefile | 3 ++- > util/osdep.c | 7 +++++++ > 2 files changed, 9 insertions(+), 1 deletion(-)
Applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
