archipelago: Drop archipelago_aiocb_info.cancel

The cancelled flag is no longer useful. Later the request will complete
as before, and cb will be called.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2014-09-11 13:41:16 +08:00 committed by Stefan Hajnoczi
parent 722d93335f
commit 4743b42a1b

View File

@ -91,7 +91,6 @@ typedef struct ArchipelagoAIOCB {
struct BDRVArchipelagoState *s;
QEMUIOVector *qiov;
ARCHIPCmd cmd;
bool cancelled;
int status;
int64_t size;
int64_t ret;
@ -318,9 +317,7 @@ static void qemu_archipelago_complete_aio(void *opaque)
aio_cb->common.cb(aio_cb->common.opaque, aio_cb->ret);
aio_cb->status = 0;
if (!aio_cb->cancelled) {
qemu_aio_release(aio_cb);
}
g_free(reqdata);
}
@ -725,19 +722,8 @@ static int qemu_archipelago_create(const char *filename,
return ret;
}
static void qemu_archipelago_aio_cancel(BlockDriverAIOCB *blockacb)
{
ArchipelagoAIOCB *aio_cb = (ArchipelagoAIOCB *) blockacb;
aio_cb->cancelled = true;
while (aio_cb->status == -EINPROGRESS) {
aio_poll(bdrv_get_aio_context(aio_cb->common.bs), true);
}
qemu_aio_release(aio_cb);
}
static const AIOCBInfo archipelago_aiocb_info = {
.aiocb_size = sizeof(ArchipelagoAIOCB),
.cancel = qemu_archipelago_aio_cancel,
};
static int archipelago_submit_request(BDRVArchipelagoState *s,
@ -889,7 +875,6 @@ static BlockDriverAIOCB *qemu_archipelago_aio_rw(BlockDriverState *bs,
aio_cb->ret = 0;
aio_cb->s = s;
aio_cb->cancelled = false;
aio_cb->status = -EINPROGRESS;
off = sector_num * BDRV_SECTOR_SIZE;