diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 2ac15601d9..dcb7a6d54e 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3043,6 +3043,36 @@ void qmp_x_block_dirty_bitmap_disable(const char *node, const char *name, bdrv_disable_dirty_bitmap(bitmap); } +void qmp_x_block_dirty_bitmap_merge(const char *node, const char *dst_name, + const char *src_name, Error **errp) +{ + BlockDriverState *bs; + BdrvDirtyBitmap *dst, *src; + + dst = block_dirty_bitmap_lookup(node, dst_name, &bs, errp); + if (!dst) { + return; + } + + if (bdrv_dirty_bitmap_frozen(dst)) { + error_setg(errp, "Bitmap '%s' is frozen and cannot be modified", + dst_name); + return; + } else if (bdrv_dirty_bitmap_readonly(dst)) { + error_setg(errp, "Bitmap '%s' is readonly and cannot be modified", + dst_name); + return; + } + + src = bdrv_find_dirty_bitmap(bs, src_name); + if (!src) { + error_setg(errp, "Dirty bitmap '%s' not found", src_name); + return; + } + + bdrv_merge_dirty_bitmap(dst, src, errp); +} + BlockDirtyBitmapSha256 *qmp_x_debug_block_dirty_bitmap_sha256(const char *node, const char *name, Error **errp) |