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iotests: Extend test 112 for qemu-img amend

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Add tests for conversion between different refcount widths.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2015-07-27 17:51:40 +02:00 • committed by Kevin Wolf
parent 03bb78ed25
commit e9dbdc5e46
2 changed files with 180 additions and 0 deletions
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71
tests/qemu-iotests/112.out
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@ -81,4 +81,75 @@ Leaked cluster 6 refcount=1 reference=0
2 leaked clusters were found on the image.
This means waste of disk space, but no harm to data.
=== Amend from refcount_bits=16 to refcount_bits=1 ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
refcount bits: 16
wrote 33554432/33554432 bytes at offset 16777216
32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
refcount bits: 1
=== Amend from refcount_bits=1 to refcount_bits=64 ===
No errors were found on the image.
refcount bits: 64
=== Amend to compat=0.10 ===
qemu-img: compat=0.10 requires refcount_bits=16
qemu-img: Error while amending options: Operation not supported
refcount bits: 64
No errors were found on the image.
refcount bits: 16
refcount bits: 16
qemu-img: Different refcount widths than 16 bits require compatibility level 1.1 or above (use compat=1.1 or greater)
qemu-img: Error while amending options: Invalid argument
refcount bits: 16
=== Amend with snapshot ===
wrote 16777216/16777216 bytes at offset 0
16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qemu-img: Cannot decrease refcount entry width to 1 bits: Cluster at offset 0x50000 has a refcount of 2
qemu-img: Error while amending options: Invalid argument
No errors were found on the image.
refcount bits: 16
No errors were found on the image.
refcount bits: 2
=== Testing too many references for check ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
refcount bits: 1
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
ERROR: overflow cluster offset=0x50000
Use qemu-img amend to increase the refcount entry width or qemu-img convert to create a clean copy if the image cannot be opened for writing
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
refcount bits: 2
ERROR cluster 5 refcount=1 reference=2
Repairing cluster 5 refcount=1 reference=2
Repairing OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=2
Repairing OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=2
The following inconsistencies were found and repaired:
0 leaked clusters
3 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Multiple walks necessary during amend ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536
wrote 29696/29696 bytes at offset 0
29 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
(66.67/100%)
(50.00/100%)
refcount bits: 64
No errors were found on the image.
*** done