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Diffstat (limited to 'block/replication.c')
-rw-r--r--block/replication.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/block/replication.c b/block/replication.c
index 0879718..3a431e9 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -364,14 +364,15 @@ static void reopen_backing_file(BlockDriverState *bs, bool writable,
BlockReopenQueue *reopen_queue = NULL;
GLOBAL_STATE_CODE();
- GRAPH_RDLOCK_GUARD_MAINLOOP();
+ bdrv_graph_rdlock_main_loop();
/*
* s->hidden_disk and s->secondary_disk may not be set yet, as they will
* only be set after the children are writable.
*/
hidden_disk = bs->file->bs->backing;
secondary_disk = hidden_disk->bs->backing;
+ bdrv_graph_rdunlock_main_loop();
if (writable) {
s->orig_hidden_read_only = bdrv_is_read_only(hidden_disk->bs);
@@ -540,8 +541,7 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
return;
}
- bdrv_drain_all_begin();
- bdrv_graph_wrlock();
+ bdrv_graph_wrlock_drained();
bdrv_ref(hidden_disk->bs);
s->hidden_disk = bdrv_attach_child(bs, hidden_disk->bs, "hidden disk",
@@ -550,7 +550,6 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
if (local_err) {
error_propagate(errp, local_err);
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
return;
}
@@ -561,7 +560,6 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
if (local_err) {
error_propagate(errp, local_err);
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
return;
}
@@ -574,14 +572,12 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
!check_top_bs(top_bs, bs)) {
error_setg(errp, "No top_bs or it is invalid");
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
reopen_backing_file(bs, false, NULL);
return;
}
bdrv_op_block_all(top_bs, s->blocker);
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
s->backup_job = backup_job_create(
NULL, s->secondary_disk->bs, s->hidden_disk->bs,
@@ -656,14 +652,12 @@ static void replication_done(void *opaque, int ret)
if (ret == 0) {
s->stage = BLOCK_REPLICATION_DONE;
- bdrv_drain_all_begin();
- bdrv_graph_wrlock();
+ bdrv_graph_wrlock_drained();
bdrv_unref_child(bs, s->secondary_disk);
s->secondary_disk = NULL;
bdrv_unref_child(bs, s->hidden_disk);
s->hidden_disk = NULL;
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
s->error = 0;
} else {