diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 4348b2c0c5..1f80961e1b 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -302,9 +302,17 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, } if (!(s->autoclear_features & QCOW2_AUTOCLEAR_BITMAPS)) { - warn_report("a program lacking bitmap support " - "modified this file, so all bitmaps are now " - "considered inconsistent"); + if (s->qcow_version < 3) { + /* Let's be a bit more specific */ + warn_report("This qcow2 v2 image contains bitmaps, but " + "they may have been modified by a program " + "without persistent bitmap support; so now " + "they must all be considered inconsistent"); + } else { + warn_report("a program lacking bitmap support " + "modified this file, so all bitmaps are now " + "considered inconsistent"); + } error_printf("Some clusters may be leaked, " "run 'qemu-img check -r' on the image " "file to fix."); |