tests/qemu-iotests/228.out

   1 --- Implicit backing file ---
   2
   3 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
   4 {"return": {}}
   5
   6 bs->filename: TEST_DIR/PID-top.img
   7 bs->backing_file: file:TEST_DIR/PID-base.img
   8 bs->backing->bs->filename: TEST_DIR/PID-base.img
   9
  10 {"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
  11 {"return": {}}
  12
  13 --- change-backing-file ---
  14
  15 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
  16 {"return": {}}
  17 {"execute": "change-backing-file", "arguments": {"backing-file": "null-co://", "device": "node0", "image-node-name": "node0"}}
  18 {"return": {}}
  19
  20 bs->filename: json:{"backing": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
  21 bs->backing_file: null-co://
  22 bs->backing->bs->filename: TEST_DIR/PID-base.img
  23
  24 {"execute": "change-backing-file", "arguments": {"backing-file": "TEST_DIR/PID-base.img", "device": "node0", "image-node-name": "node0"}}
  25 {"return": {}}
  26
  27 bs->filename: TEST_DIR/PID-top.img
  28 bs->backing_file: TEST_DIR/PID-base.img
  29 bs->backing->bs->filename: TEST_DIR/PID-base.img
  30
  31 {"execute": "change-backing-file", "arguments": {"backing-file": "file:TEST_DIR/PID-base.img", "device": "node0", "image-node-name": "node0"}}
  32 {"return": {}}
  33
  34 bs->filename: json:{"backing": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
  35 bs->backing_file: file:TEST_DIR/PID-base.img
  36 bs->backing->bs->filename: TEST_DIR/PID-base.img
  37
  38 {"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
  39 {"return": {}}
  40 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
  41 {"return": {}}
  42
  43 bs->filename: TEST_DIR/PID-top.img
  44 bs->backing_file: file:TEST_DIR/PID-base.img
  45 bs->backing->bs->filename: TEST_DIR/PID-base.img
  46
  47 {"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
  48 {"return": {}}
  49
  50 --- Override backing file ---
  51
  52 {"execute": "blockdev-add", "arguments": {"driver": "null-co", "node-name": "null"}}
  53 {"return": {}}
  54 {"execute": "blockdev-add", "arguments": {"backing": "null", "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
  55 {"return": {}}
  56
  57 bs->filename: json:{"backing": {"driver": "null-co"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
  58 bs->backing_file: TEST_DIR/PID-base.img
  59 bs->backing->bs->filename: null-co://
  60
  61 {"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
  62 {"return": {}}
  63 {"execute": "blockdev-del", "arguments": {"node-name": "null"}}
  64 {"return": {}}
  65 {"execute": "blockdev-add", "arguments": {"backing": null, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
  66 {"return": {}}
  67
  68 bs->filename: json:{"backing": null, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
  69 bs->backing_file: TEST_DIR/PID-base.img
  70 bs->backing: (none)
  71
  72 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "original-backing"}}
  73 {"return": {}}
  74 {"execute": "blockdev-snapshot", "arguments": {"node": "original-backing", "overlay": "node0"}}
  75 {"return": {}}
  76
  77 bs->filename: TEST_DIR/PID-top.img
  78 bs->backing_file: TEST_DIR/PID-base.img
  79 bs->backing->bs->filename: TEST_DIR/PID-base.img
  80
  81 {"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
  82 {"return": {}}
  83 {"execute": "blockdev-del", "arguments": {"node-name": "original-backing"}}
  84 {"return": {}}