Implement this function in the same way as raw_bsd does: Acknowledge
that this is a passthrough driver (always return BDRV_BLOCK_OFFSET_VALID
and BDRV_BLOCK_DATA and derive the offset directly from the sector
index) and add BDRV_BLOCK_RAW to the returned value.
Signed-off-by: Max Reitz <mre...@redhat.com>
---
block/json.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/block/json.c b/block/json.c
index e4cdb68..966a5f5 100644
--- a/block/json.c
+++ b/block/json.c
@@ -110,6 +110,15 @@ static coroutine_fn int
json_co_write_zeroes(BlockDriverState *bs,
return bdrv_co_write_zeroes(bs->file, sector_num, nb_sectors, flags);
}
+static coroutine_fn int64_t json_co_get_block_status(BlockDriverState *bs,
+ int64_t sector_num,
+ int nb_sectors, int *pnum)
+{
+ *pnum = nb_sectors;
+ return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
+ (sector_num << BDRV_SECTOR_BITS);
+}
+
static void json_invalidate_cache(BlockDriverState *bs)
{
return bdrv_invalidate_cache(bs->file);
@@ -156,6 +165,7 @@ static BlockDriver bdrv_json = {
.bdrv_aio_discard = json_aio_discard,
.bdrv_co_write_zeroes = json_co_write_zeroes,
+ .bdrv_co_get_block_status = json_co_get_block_status,
.bdrv_invalidate_cache = json_invalidate_cache,
--
1.9.0
