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qemu/tests/qemu-iotests/237.out
Eric Blake de38b5005e qemu-img: Saner printing of large file sizes 
Disk sizes close to INT64_MAX cause overflow, for some pretty
ridiculous output:

  $ ./nbdkit -U - memory size=$((2**63 - 512)) --run 'qemu-img info $nbd'
  image: nbd+unix://?socket=/tmp/nbdkitHSAzNz/socket
  file format: raw
  virtual size: -8388607T (9223372036854775296 bytes)
  disk size: unavailable

But there's no reason to have two separate implementations of integer
to human-readable abbreviation, where one has overflow and stops at
'T', while the other avoids overflow and goes all the way to 'E'. With
this patch, the output now claims 8EiB instead of -8388607T, which
really is the correct rounding of largest file size supported by qemu
(we could go 511 bytes larger if we used byte-accurate sizing instead
of rounding up to the next sector boundary, but that wouldn't change
the human-readable result).

Quite a few iotests need updates to expected output to match.

Reported-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Max Reitz <mreitz@redhat.com>
2019-04-30 15:29:00 +02:00

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=== Successful image creation (defaults) ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "node-name": "imgfile"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "imgfile", "size": 5368709120}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 5 GiB (5368709120 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: monolithicSparse
extents:
[0]:
virtual size: 5368709120
filename: TEST_IMG
cluster size: 65536
format:
=== Successful image creation (inline blockdev-add, explicit defaults) ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "hwversion": "4", "size": 67108864, "subformat": "monolithicSparse", "zeroed-grain": false}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 64 MiB (67108864 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: monolithicSparse
extents:
[0]:
virtual size: 67108864
filename: TEST_IMG
cluster size: 65536
format:
=== Successful image creation (with non-default options) ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "size": 33554432, "subformat": "monolithicSparse", "zeroed-grain": true}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 32 MiB (33554432 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: monolithicSparse
extents:
[0]:
virtual size: 33554432
filename: TEST_IMG
cluster size: 65536
format:
=== Invalid BlockdevRef ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "this doesn't exist", "size": 33554432}}}
{"return": {}}
Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
=== Adapter types ===
== Valid adapter types ==
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "lsilogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "legacyESX", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
== Invalid adapter types ==
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "foo", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"error": {"class": "GenericError", "desc": "Invalid parameter 'foo'"}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "IDE", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"error": {"class": "GenericError", "desc": "Invalid parameter 'IDE'"}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "legacyesx", "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"error": {"class": "GenericError", "desc": "Invalid parameter 'legacyesx'"}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": 1, "driver": "vmdk", "file": "node0", "size": 33554432}}}
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'options.adapter-type', expected: string"}}
=== Other subformats ===
Formatting 'TEST_DIR/PID-t.vmdk.1', fmt=vmdk size=0 compat6=off hwversion=undefined
Formatting 'TEST_DIR/PID-t.vmdk.2', fmt=vmdk size=0 compat6=off hwversion=undefined
Formatting 'TEST_DIR/PID-t.vmdk.3', fmt=vmdk size=0 compat6=off hwversion=undefined
== Missing extent ==
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
{"return": {}}
Job failed: Extent [0] not specified
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
== Correct extent ==
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
== Extra extent ==
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 512, "subformat": "monolithicFlat"}}}
{"return": {}}
Job failed: List of extents contains unused extents
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
== Split formats ==
= twoGbMaxExtentFlat 512 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentFlat"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 512 B (512 bytes)
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentFlat
extents:
[0]:
virtual size: 512
filename: TEST_IMG.1
format: FLAT
= twoGbMaxExtentSparse 512 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentSparse"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 512 B (512 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentSparse
extents:
[0]:
virtual size: 512
filename: TEST_IMG.1
cluster size: 65536
format: SPARSE
= twoGbMaxExtentFlat 1073741824 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentFlat"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 1 GiB (1073741824 bytes)
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentFlat
extents:
[0]:
virtual size: 1073741824
filename: TEST_IMG.1
format: FLAT
= twoGbMaxExtentSparse 1073741824 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentSparse"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 1 GiB (1073741824 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentSparse
extents:
[0]:
virtual size: 1073741824
filename: TEST_IMG.1
cluster size: 65536
format: SPARSE
= twoGbMaxExtentFlat 2147483648 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentFlat"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 2 GiB (2147483648 bytes)
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentFlat
extents:
[0]:
virtual size: 2147483648
filename: TEST_IMG.1
format: FLAT
= twoGbMaxExtentSparse 2147483648 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentSparse"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 2 GiB (2147483648 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentSparse
extents:
[0]:
virtual size: 2147483648
filename: TEST_IMG.1
cluster size: 65536
format: SPARSE
= twoGbMaxExtentFlat 5368709120 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentFlat"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 5 GiB (5368709120 bytes)
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentFlat
extents:
[0]:
virtual size: 2147483648
filename: TEST_IMG.1
format: FLAT
[1]:
virtual size: 2147483648
filename: TEST_IMG.2
format: FLAT
[2]:
virtual size: 1073741824
filename: TEST_IMG.3
format: FLAT
= twoGbMaxExtentSparse 5368709120 =
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentSparse"}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 5 GiB (5368709120 bytes)
cluster_size: 65536
Format specific information:
cid: XXXXXXXXXX
parent cid: XXXXXXXXXX
create type: twoGbMaxExtentSparse
extents:
[0]:
virtual size: 2147483648
filename: TEST_IMG.1
cluster size: 65536
format: SPARSE
[1]:
virtual size: 2147483648
filename: TEST_IMG.2
cluster size: 65536
format: SPARSE
[2]:
virtual size: 1073741824
filename: TEST_IMG.3
cluster size: 65536
format: SPARSE
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