On Wed, Jul 01, 2015 at 03:40:14PM +0100, Richard W.M. Jones wrote: > In libguestfs we use /dev/fd/<NN> to pass pre-opened file descriptors > to qemu-img. Lately I've discovered that although this works, qemu > believes that these are floppy disk images. That in itself isn't much > of a problem, but now qemu prints a warning about host floppy > pass-thru being deprecated. > > Extend the existing test so that it ignores /dev/fd/ as well as > /dev/fdset/ > > A simple test of this, if you are using the bash shell, is: > > qemu-img info <( cat /dev/null ) > > without this patch: > > $ qemu-img info <( cat /dev/null ) > qemu-img: Host floppy pass-through is deprecated > Support for it will be removed in a future release. > qemu-img: Could not open '/dev/fd/63': Could not refresh total sector > count: Illegal seek > > with this patch: > > $ qemu-img info <( cat /dev/null ) > qemu-img: Could not open '/dev/fd/63': Could not refresh total sector > count: Illegal seek > > Signed-off-by: Richard W.M. Jones <rjo...@redhat.com> > Fixes: https://bugs.launchpad.net/qemu/+bug/1470536 > --- > block/raw-posix.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-)
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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