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qemu-patch-raspberry4/tests/qemu-iotests/097.out
Eric Blake a3e1505dae qcow2: Don't strand clusters near 2G intervals during commit 
The qcow2_make_empty() function is reached during 'qemu-img commit',
in order to clear out ALL clusters of an image.  However, if the
image cannot use the fast code path (true if the image is format
0.10, or if the image contains a snapshot), the cluster size is
larger than 512, and the image is larger than 2G in size, then our
choice of sector_step causes problems.  Since it is not cluster
aligned, but qcow2_discard_clusters() silently ignores an unaligned
head or tail, we are leaving clusters allocated.

Enhance the testsuite to expose the flaw, and patch the problem by
ensuring our step size is aligned.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-12-06 15:37:02 +01:00

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QA output created by 097
=== Test pass 0.0 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
=== Test pass 0.1 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
=== Test pass 1.0 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
=== Test pass 1.1 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
=== Test pass 2.0 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
=== Test pass 2.1 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
=== Test pass 3.0 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
=== Test pass 3.1 ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=2202009600
Formatting 'TEST_DIR/t.IMGFMT.itmd', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.base
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2202009600 backing_file=TEST_DIR/t.IMGFMT.itmd
wrote 196608/196608 bytes at offset 2147287040
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 2147352576
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image committed.
read 65536/65536 bytes at offset 2147287040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147352576
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 2147418112
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x7ffd0000 0x30000 TEST_DIR/t.IMGFMT.base
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x20000 TEST_DIR/t.IMGFMT.itmd
Offset Length File
0x7ffd0000 0x10000 TEST_DIR/t.IMGFMT.base
0x7ffe0000 0x10000 TEST_DIR/t.IMGFMT.itmd
0x7fff0000 0x10000 TEST_DIR/t.IMGFMT
*** done
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