On Wed, Jul 06, 2022 at 09:03:41AM +0100, Stefan Hajnoczi wrote: > Jens Axboe has confirmed that short reads are rare but can happen: > https://lore.kernel.org/io-uring/YsU%2FCGkl9ZXUI+Tj@stefanha-x1.localdomain/T/#m729963dc577d709b709c191922e98ec79d7eef54 > > The luring_resubmit_short_read() comment claimed they were only due to a > specific io_uring bug that was fixed in Linux commit 9d93a3f5a0c > ("io_uring: punt short reads to async context"), which is wrong. > Dominique Martinet found that a btrfs bug also causes short reads. There > may be more kernel code paths that result in short reads. > > Let's consider short reads fair game. > > Cc: Dominique Martinet <dominique.marti...@atmark-techno.com> > Based-on: <20220630010137.2518851-1-dominique.marti...@atmark-techno.com> > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > block/io_uring.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-)
Thanks, applied to my block tree: https://gitlab.com/stefanha/qemu/commits/block Stefan
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