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-rw-r--r--block/qed.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/block/qed.c b/block/qed.c
index 385381a78a..86cad2188c 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -583,7 +583,7 @@ static int qed_create(const char *filename, uint32_t cluster_size,
blk_set_allow_write_beyond_eof(blk, true);
/* File must start empty and grow, check truncate is supported */
- ret = blk_truncate(blk, 0, errp);
+ ret = blk_truncate(blk, 0, PREALLOC_MODE_OFF, errp);
if (ret < 0) {
goto out;
}
@@ -1342,12 +1342,19 @@ static int coroutine_fn bdrv_qed_co_pwrite_zeroes(BlockDriverState *bs,
QED_AIOCB_WRITE | QED_AIOCB_ZERO);
}
-static int bdrv_qed_truncate(BlockDriverState *bs, int64_t offset, Error **errp)
+static int bdrv_qed_truncate(BlockDriverState *bs, int64_t offset,
+ PreallocMode prealloc, Error **errp)
{
BDRVQEDState *s = bs->opaque;
uint64_t old_image_size;
int ret;
+ if (prealloc != PREALLOC_MODE_OFF) {
+ error_setg(errp, "Unsupported preallocation mode '%s'",
+ PreallocMode_lookup[prealloc]);
+ return -ENOTSUP;
+ }
+
if (!qed_is_image_size_valid(offset, s->header.cluster_size,
s->header.table_size)) {
error_setg(errp, "Invalid image size specified");