1Test 1 2{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name": "bitmap-0", "node": "drive0", "persistent": false}} 3{"return": {}} 4wrote 262144/262144 bytes at offset 0 5256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 6 7qemu-img info dump: 8 9image: TEST_IMG 10file format: IMGFMT 11virtual size: 1.0M (1048576 bytes) 12cluster_size: 65536 13Format specific information: 14 compat: 1.1 15 lazy refcounts: false 16 refcount bits: 16 17 corrupt: false 18 19No bitmap in JSON format output 20 21Test 2 22{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": true, "granularity": 32768, "name": "bitmap-1", "node": "drive0", "persistent": true}} 23{"return": {}} 24wrote 262144/262144 bytes at offset 262144 25256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 26 27qemu-img info dump: 28 29image: TEST_IMG 30file format: IMGFMT 31virtual size: 1.0M (1048576 bytes) 32cluster_size: 65536 33Format specific information: 34 compat: 1.1 35 lazy refcounts: false 36 bitmaps: 37 [0]: 38 flags: 39 name: bitmap-1 40 granularity: 32768 41 refcount bits: 16 42 corrupt: false 43 44The same bitmaps in JSON format: 45[ 46 { 47 "flags": [], 48 "granularity": 32768, 49 "name": "bitmap-1" 50 } 51] 52 53Test 3 54{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 65536, "name": "bitmap-2", "node": "drive0", "persistent": true}} 55{"return": {}} 56wrote 262144/262144 bytes at offset 524288 57256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 58 59qemu-img info dump: 60 61image: TEST_IMG 62file format: IMGFMT 63virtual size: 1.0M (1048576 bytes) 64cluster_size: 65536 65Format specific information: 66 compat: 1.1 67 lazy refcounts: false 68 bitmaps: 69 [0]: 70 flags: 71 name: bitmap-1 72 granularity: 32768 73 [1]: 74 flags: 75 [0]: auto 76 name: bitmap-2 77 granularity: 65536 78 refcount bits: 16 79 corrupt: false 80 81The same bitmaps in JSON format: 82[ 83 { 84 "flags": [], 85 "granularity": 32768, 86 "name": "bitmap-1" 87 }, 88 { 89 "flags": [ 90 "auto" 91 ], 92 "granularity": 65536, 93 "name": "bitmap-2" 94 } 95] 96 97Test 4 98Checking "in-use" flag... 99qemu-img info dump: 100 101image: TEST_IMG 102file format: IMGFMT 103virtual size: 1.0M (1048576 bytes) 104cluster_size: 65536 105Format specific information: 106 compat: 1.1 107 lazy refcounts: false 108 bitmaps: 109 [0]: 110 flags: 111 [0]: in-use 112 name: bitmap-1 113 granularity: 32768 114 [1]: 115 flags: 116 [0]: in-use 117 [1]: auto 118 name: bitmap-2 119 granularity: 65536 120 refcount bits: 16 121 corrupt: false 122 123The same bitmaps in JSON format: 124[ 125 { 126 "flags": [ 127 "in-use" 128 ], 129 "granularity": 32768, 130 "name": "bitmap-1" 131 }, 132 { 133 "flags": [ 134 "in-use", 135 "auto" 136 ], 137 "granularity": 65536, 138 "name": "bitmap-2" 139 } 140] 141 142Test 5 143{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name": "bitmap-0", "node": "drive0", "persistent": true}} 144{"return": {}} 145Write an unknown bitmap flag '0x4' into a new QCOW2 image at offset 327695 146qemu-img: Could not open 'TEST_IMG': Bitmap 'bitmap-0' doesn't satisfy the constraints 147 148Unset the unknown bitmap flag '0x4' in the bitmap directory entry: 149 150image: TEST_IMG 151file format: IMGFMT 152virtual size: 1.0M (1048576 bytes) 153cluster_size: 65536 154Format specific information: 155 compat: 1.1 156 lazy refcounts: false 157 bitmaps: 158 [0]: 159 flags: 160 [0]: auto 161 name: bitmap-0 162 granularity: 16384 163 refcount bits: 16 164 corrupt: false 165 166Test complete 167