[PULL,17/24] qcow2: Tweak comment about bitmaps vs. resize

Commit Message

Max Reitz May 5, 2020, 12:58 p.m. UTC

From: Eric Blake <[e-mail]>

Our comment did not actually match the code.  Rewrite the comment to
be less sensitive to any future changes to qcow2-bitmap.c that might
implement scenarios that we currently reject.

Signed-off-by: Eric Blake <[e-mail]>
Reviewed-by: Max Reitz <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Max Reitz <[e-mail]>
---
 block/qcow2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/block/qcow2.c b/block/qcow2.c
index 3e8b3d022b..ad934109a8 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3999,7 +3999,7 @@  static int coroutine_fn qcow2_co_truncate(BlockDriverState *bs, int64_t offset,
         goto fail;
     }
 
-    /* cannot proceed if image has bitmaps */
+    /* See qcow2-bitmap.c for which bitmap scenarios prevent a resize. */
     if (qcow2_truncate_bitmaps_check(bs, errp)) {
         ret = -ENOTSUP;
         goto fail;