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| author | Peter Maydell | 2018-03-09 18:28:16 +0100 |
|---|---|---|
| committer | Peter Maydell | 2018-03-09 18:28:16 +0100 |
| commit | e4ae62b802cec437f877f2cadc4ef059cc0eca76 (patch) | |
| tree | c2bc14150ecdcb996bcd4ce19728985034e1425b /hw/scsi/virtio-scsi-dataplane.c | |
| parent | memory: fix flatview_access_valid RCU read lock/unlock imbalance (diff) | |
| parent | vl: introduce vm_shutdown() (diff) | |
| download | qemu-e4ae62b802cec437f877f2cadc4ef059cc0eca76.tar.gz qemu-e4ae62b802cec437f877f2cadc4ef059cc0eca76.tar.xz qemu-e4ae62b802cec437f877f2cadc4ef059cc0eca76.zip | |
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
# gpg: Signature made Fri 09 Mar 2018 13:19:02 GMT
# gpg: using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
vl: introduce vm_shutdown()
virtio-scsi: fix race between .ioeventfd_stop() and vq handler
virtio-blk: fix race between .ioeventfd_stop() and vq handler
block: add aio_wait_bh_oneshot()
virtio-blk: dataplane: Don't batch notifications if EVENT_IDX is present
README: Fix typo 'git-publish'
block: Fix qemu crash when using scsi-block
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/scsi/virtio-scsi-dataplane.c')
| -rw-r--r-- | hw/scsi/virtio-scsi-dataplane.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index 1c33322ba6..912e5005d8 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -107,9 +107,10 @@ static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n, return 0; } -/* assumes s->ctx held */ -static void virtio_scsi_clear_aio(VirtIOSCSI *s) +/* Context: BH in IOThread */ +static void virtio_scsi_dataplane_stop_bh(void *opaque) { + VirtIOSCSI *s = opaque; VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(s); int i; @@ -171,7 +172,7 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) return 0; fail_vrings: - virtio_scsi_clear_aio(s); + aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s); aio_context_release(s->ctx); for (i = 0; i < vs->conf.num_queues + 2; i++) { virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false); @@ -207,7 +208,7 @@ void virtio_scsi_dataplane_stop(VirtIODevice *vdev) s->dataplane_stopping = true; aio_context_acquire(s->ctx); - virtio_scsi_clear_aio(s); + aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s); aio_context_release(s->ctx); blk_drain_all(); /* ensure there are no in-flight requests */ |