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-rw-r--r--block/raw-format.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/raw-format.c b/block/raw-format.c
index 3465c9a865..351f2d91c6 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -387,7 +387,7 @@ static int coroutine_fn raw_co_truncate(BlockDriverState *bs, int64_t offset,
s->size = offset;
offset += s->offset;
- return bdrv_co_truncate(bs->file, offset, exact, prealloc, 0, errp);
+ return bdrv_co_truncate(bs->file, offset, exact, prealloc, flags, errp);
}
static void raw_eject(BlockDriverState *bs, bool eject_flag)
@@ -445,6 +445,8 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED |
((BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK) &
bs->file->bs->supported_zero_flags);
+ bs->supported_truncate_flags = bs->file->bs->supported_truncate_flags &
+ BDRV_REQ_ZERO_WRITE;
if (bs->probed && !bdrv_is_read_only(bs)) {
bdrv_refresh_filename(bs->file->bs);