QEMU 2.11 introduced the --shrink option for qemu-img resize to avoid
accidentally shrinking images (commit 4ffca8904a3). However, for
compatibility reasons, it was not enforced for raw images yet, but only
a deprecation warning was printed. This warning has existed for long
enough that we can now finally require --shrink for raw images, too, and
error out if it's not given.
Documentation already describes the state as it is after this patch.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
qemu-img.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index e3b2ec3e78..f6a2703039 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -4011,20 +4011,9 @@ static int img_resize(int argc, char **argv)
}
if (total_size < current_size && !shrink) {
- warn_report("Shrinking an image will delete all data beyond the "
- "shrunken image's end. Before performing such an "
- "operation, make sure there is no important data there.");
-
- if (g_strcmp0(bdrv_get_format_name(blk_bs(blk)), "raw") != 0) {
- error_report(
- "Use the --shrink option to perform a shrink operation.");
- ret = -1;
- goto out;
- } else {
- warn_report("Using the --shrink option will suppress this message.
"
- "Note that future versions of qemu-img may refuse to "
- "shrink images without this option.");
- }
+ error_report("Use the --shrink option to perform a shrink operation.");
+ ret = -1;
+ goto out;
}
/*
--
2.25.4
