Split block_copy_find_inflight_req to be used in seprate.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
block/block-copy.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/block/block-copy.c b/block/block-copy.c
index 74295d93d5..94e7e855ef 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -24,23 +24,30 @@
#define BLOCK_COPY_MAX_BUFFER (1 * MiB)
#define BLOCK_COPY_MAX_MEM (128 * MiB)
+static BlockCopyInFlightReq *block_copy_find_inflight_req(BlockCopyState *s,
+ int64_t start,
+ int64_t end)
+{
+ BlockCopyInFlightReq *req;
+
+ QLIST_FOREACH(req, &s->inflight_reqs, list) {
+ if (end > req->start_byte && start < req->end_byte) {
+ return req;
+ }
+ }
+
+ return NULL;
+}
+
static void coroutine_fn block_copy_wait_inflight_reqs(BlockCopyState *s,
int64_t start,
int64_t end)
{
BlockCopyInFlightReq *req;
- bool waited;
-
- do {
- waited = false;
- QLIST_FOREACH(req, &s->inflight_reqs, list) {
- if (end > req->start_byte && start < req->end_byte) {
- qemu_co_queue_wait(&req->wait_queue, NULL);
- waited = true;
- break;
- }
- }
- } while (waited);
+
+ while ((req = block_copy_find_inflight_req(s, start, end))) {
+ qemu_co_queue_wait(&req->wait_queue, NULL);
+ }
}
static void block_copy_inflight_req_begin(BlockCopyState *s,
--
2.21.0
