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-rw-r--r--block.c5
-rw-r--r--block/mirror.c4
-rw-r--r--blockdev.c2
-rw-r--r--include/block/block.h3
4 files changed, 8 insertions, 6 deletions
diff --git a/block.c b/block.c
index d088ee02ff..090923c312 100644
--- a/block.c
+++ b/block.c
@@ -4077,7 +4077,8 @@ bool bdrv_is_first_non_filter(BlockDriverState *candidate)
return false;
}
-BlockDriverState *check_to_replace_node(const char *node_name, Error **errp)
+BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs,
+ const char *node_name, Error **errp)
{
BlockDriverState *to_replace_bs = bdrv_find_node(node_name);
AioContext *aio_context;
@@ -4100,7 +4101,7 @@ BlockDriverState *check_to_replace_node(const char *node_name, Error **errp)
* Another benefit is that this tests exclude backing files which are
* blocked by the backing blockers.
*/
- if (!bdrv_is_first_non_filter(to_replace_bs)) {
+ if (!bdrv_recurse_is_first_non_filter(parent_bs, to_replace_bs)) {
error_setg(errp, "Only top most non filter can be replaced");
to_replace_bs = NULL;
goto out;
diff --git a/block/mirror.c b/block/mirror.c
index 94744432eb..a2589261f5 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -644,9 +644,9 @@ static void mirror_complete(BlockJob *job, Error **errp)
if (s->replaces) {
AioContext *replace_aio_context;
- s->to_replace = check_to_replace_node(s->replaces, &local_err);
+ s->to_replace = bdrv_find_node(s->replaces);
if (!s->to_replace) {
- error_propagate(errp, local_err);
+ error_setg(errp, "Node name '%s' not found", s->replaces);
return;
}
diff --git a/blockdev.c b/blockdev.c
index 4125ff642a..6b48be60ba 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2760,7 +2760,7 @@ void qmp_drive_mirror(const char *device, const char *target,
goto out;
}
- to_replace_bs = check_to_replace_node(replaces, &local_err);
+ to_replace_bs = check_to_replace_node(bs, replaces, &local_err);
if (!to_replace_bs) {
error_propagate(errp, local_err);
diff --git a/include/block/block.h b/include/block/block.h
index 37916f7208..608cd4e4fb 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -317,7 +317,8 @@ bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs,
bool bdrv_is_first_non_filter(BlockDriverState *candidate);
/* check if a named node can be replaced when doing drive-mirror */
-BlockDriverState *check_to_replace_node(const char *node_name, Error **errp);
+BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs,
+ const char *node_name, Error **errp);
/* async block I/O */
typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector,