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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>
This commit is contained in:
Denis V. Lunev 2015-11-04 20:19:42 +03:00 committed by Stefan Hajnoczi
parent fbe3fc5cb3
commit 6bf1faa848
1 changed files with 9 additions and 4 deletions
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13
monitor.c
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@ -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;
}
if (bdrv_query_snapshot_info_list(bs, &snapshots, NULL)) {
aio_context_acquire(ctx);
if (bdrv_can_snapshot(bs)) {
ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
}
aio_context_release(ctx);
if (!ok) {
continue;
}
snapshot = snapshots;
while (snapshot) {
char *completion = snapshot->value->name;