diff options
Diffstat (limited to 'hw/xen_disk.c')
| -rw-r--r-- | hw/xen_disk.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/hw/xen_disk.c b/hw/xen_disk.c index a6a64a2455..b7c7977870 100644 --- a/hw/xen_disk.c +++ b/hw/xen_disk.c @@ -112,6 +112,31 @@ struct XenBlkDev { /* ------------------------------------------------------------- */ +static void ioreq_reset(struct ioreq *ioreq) +{ + memset(&ioreq->req, 0, sizeof(ioreq->req)); + ioreq->status = 0; + ioreq->start = 0; + ioreq->presync = 0; + ioreq->postsync = 0; + ioreq->mapped = 0; + + memset(ioreq->domids, 0, sizeof(ioreq->domids)); + memset(ioreq->refs, 0, sizeof(ioreq->refs)); + ioreq->prot = 0; + memset(ioreq->page, 0, sizeof(ioreq->page)); + ioreq->pages = NULL; + + ioreq->aio_inflight = 0; + ioreq->aio_errors = 0; + + ioreq->blkdev = NULL; + memset(&ioreq->list, 0, sizeof(ioreq->list)); + memset(&ioreq->acct, 0, sizeof(ioreq->acct)); + + qemu_iovec_reset(&ioreq->v); +} + static struct ioreq *ioreq_start(struct XenBlkDev *blkdev) { struct ioreq *ioreq = NULL; @@ -129,7 +154,6 @@ static struct ioreq *ioreq_start(struct XenBlkDev *blkdev) /* get one from freelist */ ioreq = QLIST_FIRST(&blkdev->freelist); QLIST_REMOVE(ioreq, list); - qemu_iovec_reset(&ioreq->v); } QLIST_INSERT_HEAD(&blkdev->inflight, ioreq, list); blkdev->requests_inflight++; @@ -153,7 +177,7 @@ static void ioreq_release(struct ioreq *ioreq, bool finish) struct XenBlkDev *blkdev = ioreq->blkdev; QLIST_REMOVE(ioreq, list); - memset(ioreq, 0, sizeof(*ioreq)); + ioreq_reset(ioreq); ioreq->blkdev = blkdev; QLIST_INSERT_HEAD(&blkdev->freelist, ioreq, list); if (finish) { |