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virtio-blk: Implement rerror option 

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Kevin Wolf 2009-11-27 13:25:39 +01:00 committed by Anthony Liguori
parent ce4b6522f7
commit f35d68f0e7
2 changed files with 9 additions and 6 deletions
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13
hw/virtio-blk.c
View File

@ -98,9 +98,11 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, int status)
qemu_free(req);
}
static int virtio_blk_handle_write_error(VirtIOBlockReq *req, int error)
static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error,
int is_read)
{
BlockInterfaceErrorAction action = drive_get_on_error(req->dev->bs, 0);
BlockInterfaceErrorAction action =
drive_get_on_error(req->dev->bs, is_read);
VirtIOBlock *s = req->dev;
if (action == BLOCK_ERR_IGNORE)
@ -122,12 +124,13 @@ static void virtio_blk_rw_complete(void *opaque, int ret)
{
VirtIOBlockReq *req = opaque;
if (ret && (req->out->type & VIRTIO_BLK_T_OUT)) {
if (virtio_blk_handle_write_error(req, -ret))
if (ret) {
int is_read = !(req->out->type & VIRTIO_BLK_T_OUT);
if (virtio_blk_handle_rw_error(req, -ret, is_read))
return;
}
virtio_blk_req_complete(req, ret ? VIRTIO_BLK_S_IOERR : VIRTIO_BLK_S_OK);
virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
}
static void virtio_blk_flush_complete(void *opaque, int ret)

2
vl.c
View File

@ -2198,7 +2198,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
on_read_error = BLOCK_ERR_REPORT;
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
if (type != IF_IDE) {
if (type != IF_IDE && type != IF_VIRTIO) {
fprintf(stderr, "rerror is no supported by this format\n");
return NULL;
}