From: "Denis V. Lunev" <d...@openvz.org>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Stefan Hajnoczi <stefa...@redhat.com>
CC: Kevin Wolf <kw...@redhat.com>
CC: Luiz Capitulino <lcapitul...@redhat.com>
CC: Markus Armbruster <arm...@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
monitor.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/monitor.c b/monitor.c
index 6cd747f..3295840 100644
--- a/monitor.c
+++ b/monitor.c
@@ -3408,13 +3408,18 @@ static void vm_completion(ReadLineState *rs, const char
*str)
readline_set_completion_index(rs, len);
while ((bs = bdrv_next(bs))) {
SnapshotInfoList *snapshots, *snapshot;
+ AioContext *ctx = bdrv_get_aio_context(bs);
+ bool ok = false;
- if (!bdrv_can_snapshot(bs)) {
- continue;
+ aio_context_acquire(ctx);
+ if (bdrv_can_snapshot(bs)) {
+ ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
}
- if (bdrv_query_snapshot_info_list(bs, &snapshots, NULL)) {
+ aio_context_release(ctx);
+ if (!ok) {
continue;
}
+
snapshot = snapshots;
while (snapshot) {
char *completion = snapshot->value->name;
--
2.5.0
