diff options
| -rw-r--r-- | block.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/block.c b/block.c index 97406ec7bd..aa9ec835a7 100644 --- a/block.c +++ b/block.c @@ -3075,6 +3075,7 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, { int64_t length; int64_t n; + int64_t ret; length = bdrv_getlength(bs); if (length < 0) { @@ -3096,7 +3097,15 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, return BDRV_BLOCK_DATA; } - return bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum); + ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum); + if (ret < 0) { + return ret; + } + + if (!(ret & BDRV_BLOCK_DATA) && bdrv_has_zero_init(bs)) { + ret |= BDRV_BLOCK_ZERO; + } + return ret; } /* Coroutine wrapper for bdrv_get_block_status() */ |