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-rw-r--r--block/sheepdog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 860ba61502..743471043e 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1609,7 +1609,7 @@ static int sd_prealloc(const char *filename, Error **errp)
     int ret;
 
     blk = blk_new_open(filename, NULL, NULL,
-                       BDRV_O_RDWR | BDRV_O_PROTOCOL, errp);
+                       BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL, errp);
     if (blk == NULL) {
         ret = -EIO;
         goto out_with_err_set;