diff mbox series

[v2,3/3] qcow2: Tweak comment about bitmaps vs. resize

Message ID 20200423221707.477404-4-eblake@redhat.com
State New
Headers show
Series None | expand

Commit Message

Eric Blake April 23, 2020, 10:17 p.m. UTC 
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 <eblake@redhat.com>
---
 block/qcow2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/block/qcow2.c b/block/qcow2.c
index 34888a793354..6b6d1c3fa8b9 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3997,7 +3997,7 @@  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;