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qcow2: Tweak comment about bitmaps vs. resize 

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>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200428192648.749066-4-eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Eric Blake 2020-04-28 14:26:48 -05:00 committed by Max Reitz
parent 7fa140abf6
commit ee1244a2e9
1 changed files with 1 additions and 1 deletions
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2
block/qcow2.c
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@ -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;