monitor: add missed aio_context_acquire into vm_completion call
Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> CC: Luiz Capitulino <lcapitulino@redhat.com> CC: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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fbe3fc5cb3
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6bf1faa848
13
monitor.c
13
monitor.c
@ -3408,13 +3408,18 @@ static void vm_completion(ReadLineState *rs, const char *str)
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readline_set_completion_index(rs, len);
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while ((bs = bdrv_next(bs))) {
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SnapshotInfoList *snapshots, *snapshot;
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AioContext *ctx = bdrv_get_aio_context(bs);
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bool ok = false;
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if (!bdrv_can_snapshot(bs)) {
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continue;
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}
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if (bdrv_query_snapshot_info_list(bs, &snapshots, NULL)) {
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aio_context_acquire(ctx);
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if (bdrv_can_snapshot(bs)) {
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ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
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}
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aio_context_release(ctx);
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if (!ok) {
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continue;
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}
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snapshot = snapshots;
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while (snapshot) {
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char *completion = snapshot->value->name;
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