diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-09-14 10:00:59 -0400 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-12-21 22:49:27 +0100 |
| commit | 9c67f33fcab654d6b7f9f4236c5a21ea946e0931 (patch) | |
| tree | 305d87db8028e566d332a9249c2f686b1f6ed7ff /include/hw/virtio/virtio-blk.h | |
| parent | cd0c0db0aa905af9b72735d5ea40cb41206c7ca8 (diff) | |
virtio-blk: add lock to protect s->rq
s->rq is accessed from IO_CODE and GLOBAL_STATE_CODE. Introduce a lock
to protect s->rq and eliminate reliance on the AioContext lock.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230914140101.1065008-3-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/hw/virtio/virtio-blk.h')
| -rw-r--r-- | include/hw/virtio/virtio-blk.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h index dafec432ce..9881009c22 100644 --- a/include/hw/virtio/virtio-blk.h +++ b/include/hw/virtio/virtio-blk.h @@ -54,7 +54,8 @@ struct VirtIOBlockReq; struct VirtIOBlock { VirtIODevice parent_obj; BlockBackend *blk; - void *rq; + QemuMutex rq_lock; + void *rq; /* protected by rq_lock */ VirtIOBlkConf conf; unsigned short sector_mask; bool original_wce; |