diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-12-21 20:09:07 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2019-01-31 00:38:19 +0100 |
| commit | 5d3b4e99463642b226d1a37433d0e4b376162468 (patch) | |
| tree | 10104806d3367656755bdf1190730f00e151e30e /block | |
| parent | b4fbe1f65a4769c09e6bf2d79fc84360f840f40e (diff) | |
qapi: add x-debug-query-block-graph
Add a new command, returning block nodes (and their users) graph.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20181221170909.25584-2-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/block-backend.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 60d37a0c3d..cf05abd89d 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2249,3 +2249,8 @@ int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in, blk_out->root, off_out, bytes, read_flags, write_flags); } + +const BdrvChild *blk_root(BlockBackend *blk) +{ + return blk->root; +} |