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xemu/tests/qemu-iotests/210.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.luks", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "node-name": "imgfile"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "imgfile", "iter-time": 10, "key-secret": "keysec0", "size": 134217728}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: json:{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_IMG"}, "key-secret": "keysec0"}
file format: IMGFMT
virtual size: 128 MiB (134217728 bytes)
encrypted: yes
Format specific information:
ivgen alg: plain64
hash alg: sha256
cipher alg: aes-256
uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
cipher mode: xts
slots:
[0]:
active: true
iters: XXX
key offset: 4096
stripes: 4000
[1]:
active: false
key offset: 262144
[2]:
active: false
key offset: 520192
[3]:
active: false
key offset: 778240
[4]:
active: false
key offset: 1036288
[5]:
active: false
key offset: 1294336
[6]:
active: false
key offset: 1552384
[7]:
active: false
key offset: 1810432
payload offset: 2068480
master key iters: XXX
=== Successful image creation (with non-default options) ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "driver": "luks", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.luks"}, "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0", "size": 67108864}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: json:{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_IMG"}, "key-secret": "keysec0"}
file format: IMGFMT
virtual size: 64 MiB (67108864 bytes)
encrypted: yes
Format specific information:
ivgen alg: plain64
hash alg: sha1
cipher alg: twofish-128
uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
cipher mode: ctr
slots:
[0]:
active: true
iters: XXX
key offset: 4096
stripes: 4000
[1]:
active: false
key offset: 69632
[2]:
active: false
key offset: 135168
[3]:
active: false
key offset: 200704
[4]:
active: false
key offset: 266240
[5]:
active: false
key offset: 331776
[6]:
active: false
key offset: 397312
[7]:
active: false
key offset: 462848
payload offset: 528384
master key iters: XXX
=== Invalid BlockdevRef ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "this doesn't exist", "size": 67108864}}}
{"return": {}}
Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
=== Zero size ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "iter-time": 10, "key-secret": "keysec0", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: json:{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_IMG"}, "key-secret": "keysec0"}
file format: IMGFMT
virtual size: 0 B (0 bytes)
encrypted: yes
Format specific information:
ivgen alg: plain64
hash alg: sha256
cipher alg: aes-256
uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
cipher mode: xts
slots:
[0]:
active: true
iters: XXX
key offset: 4096
stripes: 4000
[1]:
active: false
key offset: 262144
[2]:
active: false
key offset: 520192
[3]:
active: false
key offset: 778240
[4]:
active: false
key offset: 1036288
[5]:
active: false
key offset: 1294336
[6]:
active: false
key offset: 1552384
[7]:
active: false
key offset: 1810432
payload offset: 2068480
master key iters: XXX
=== Invalid sizes ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 18446744073709551104}}}
{"return": {}}
Job failed: The requested file size is too large
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775808}}}
{"return": {}}
Job failed: The requested file size is too large
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775296}}}
{"return": {}}
Job failed: The requested file size is too large
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
=== Resize image with invalid sizes ===
{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 9223372036854775296}}
{"error": {"class": "GenericError", "desc": "The requested file size is too large"}}
{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 9223372036854775808}}
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'size', expected: integer"}}
{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 18446744073709551104}}
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'size', expected: integer"}}
{"execute": "block_resize", "arguments": {"node-name": "node1", "size": -9223372036854775808}}
{"error": {"class": "GenericError", "desc": "Parameter 'size' expects a >0 size"}}
image: json:{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_IMG"}, "key-secret": "keysec0"}
file format: IMGFMT
virtual size: 0 B (0 bytes)
encrypted: yes
Format specific information:
ivgen alg: plain64
hash alg: sha256
cipher alg: aes-256
uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
cipher mode: xts
slots:
[0]:
active: true
iters: XXX
key offset: 4096
stripes: 4000
[1]:
active: false
key offset: 262144
[2]:
active: false
key offset: 520192
[3]:
active: false
key offset: 778240
[4]:
active: false
key offset: 1036288
[5]:
active: false
key offset: 1294336
[6]:
active: false
key offset: 1552384
[7]:
active: false
key offset: 1810432
payload offset: 2068480
master key iters: XXX
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