diff options
| -rw-r--r-- | block/iscsi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index 0b96165ec2..ea1660948d 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -628,9 +628,17 @@ static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs, return &acb->common; } + +static void ioctl_cb(void *opaque, int status) +{ + int *p_status = opaque; + *p_status = status; +} + static int iscsi_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) { IscsiLun *iscsilun = bs->opaque; + int status; switch (req) { case SG_GET_VERSION_NUM: @@ -639,6 +647,15 @@ static int iscsi_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) case SG_GET_SCSI_ID: ((struct sg_scsi_id *)buf)->scsi_type = iscsilun->type; break; + case SG_IO: + status = -EINPROGRESS; + iscsi_aio_ioctl(bs, req, buf, ioctl_cb, &status); + + while (status == -EINPROGRESS) { + qemu_aio_wait(); + } + + return 0; default: return -1; } |