O_DIRECT on Linux has alignment requirements on I/O buffers and misaligned requests result in -EINVAL. The Linux virtio_blk guest driver usually submits aligned requests so I forgot to handle misaligned requests. It turns out that virtio-win guest drivers submit misaligned requests. Handle them using a bounce buffer that meets alignment requirements. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> |
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| .. | ||
| Makefile.objs | ||
| event-poll.c | ||
| event-poll.h | ||
| hostmem.c | ||
| hostmem.h | ||
| ioq.c | ||
| ioq.h | ||
| virtio-blk.c | ||
| virtio-blk.h | ||
| vring.c | ||
| vring.h | ||