QA output created by 024 Creating backing file Formatting 'TEST_DIR/t.IMGFMT.base_old', fmt=IMGFMT size=1073741824 === IO: pattern 0x11 wrote 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 131072 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 393216 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 524288 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 655360 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 786432 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 917504 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Creating new backing file Formatting 'TEST_DIR/t.IMGFMT.base_new', fmt=IMGFMT size=1073741824 === IO: pattern 0x22 wrote 131072/131072 bytes at offset 0 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 131072/131072 bytes at offset 262144 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 131072/131072 bytes at offset 524288 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 131072/131072 bytes at offset 786432 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Creating COW image Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 backing_file=TEST_DIR/t.IMGFMT.base_old backing_fmt=IMGFMT === IO: pattern 0x33 wrote 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 wrote 262144/262144 bytes at offset 524288 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Read before the rebase to make sure everything is set up correctly === IO: pattern 0x33 read 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 65536 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 131072 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 196608 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 327680 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 393216 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 458752 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 524288 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 589824 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 655360 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 720896 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 786432 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 851968 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 917504 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 983040 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Rebase and test again === IO: pattern 0x33 read 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 65536 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 131072 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 196608 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 327680 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 393216 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 458752 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 524288 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 589824 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 655360 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x33 read 65536/65536 bytes at offset 720896 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 786432 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 851968 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x11 read 65536/65536 bytes at offset 917504 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === IO: pattern 0x00 read 65536/65536 bytes at offset 983040 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === Test rebase in a subdirectory of the working directory === Formatting 'TEST_DIR/subdir/t.IMGFMT.base_old', fmt=IMGFMT size=1048576 Formatting 'TEST_DIR/subdir/t.IMGFMT.base_new', fmt=IMGFMT size=1048576 Formatting 'TEST_DIR/subdir/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=t.IMGFMT.base_old backing_fmt=IMGFMT wrote 131072/131072 bytes at offset 0 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 196608 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 131072/131072 bytes at offset 65536 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 196608 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) backing file: t.IMGFMT.base_new (actual path: TEST_DIR/subdir/t.IMGFMT.base_new) read 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 65536 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 131072 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 196608 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Offset Length File 0 0x30000 TEST_DIR/subdir/t.IMGFMT 0x30000 0x10000 TEST_DIR/subdir/t.IMGFMT.base_new === Test rebase within one backing chain === Creating backing chain Formatting 'TEST_DIR/subdir/t.IMGFMT.base_new', fmt=IMGFMT size=327680 Formatting 'TEST_DIR/subdir/t.IMGFMT.base_old', fmt=IMGFMT size=262144 backing_file=TEST_DIR/subdir/t.IMGFMT.base_new backing_fmt=IMGFMT Formatting 'TEST_DIR/subdir/t.IMGFMT', fmt=IMGFMT size=327680 backing_file=TEST_DIR/subdir/t.IMGFMT.base_old backing_fmt=IMGFMT Fill backing files with data wrote 327680/327680 bytes at offset 0 320 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Check the last cluster is zeroed in overlay before the rebase read 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Rebase onto another image in the same chain Verify that data is read the same before and after rebase read 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) === Test rebase with different cluster sizes === Creating backing chain Formatting 'TEST_DIR/subdir/t.IMGFMT.base_new', fmt=IMGFMT size=393216 Formatting 'TEST_DIR/subdir/t.IMGFMT.base_old', fmt=IMGFMT size=393216 backing_file=TEST_DIR/subdir/t.IMGFMT.base_new backing_fmt=IMGFMT Formatting 'TEST_DIR/subdir/t.IMGFMT', fmt=IMGFMT size=393216 backing_file=TEST_DIR/subdir/t.IMGFMT.base_old backing_fmt=IMGFMT image: TEST_DIR/subdir/t.IMGFMT file format: IMGFMT virtual size: 384 KiB (393216 bytes) cluster_size: 131072 backing file: TEST_DIR/subdir/t.IMGFMT.base_old Fill backing files with data wrote 65536/65536 bytes at offset 65536 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Rebase onto another image in the same chain Verify that data is read the same before and after rebase read 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 65536 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 131072/131072 bytes at offset 131072 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 65536/65536 bytes at offset 327680 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Verify that untouched cluster remains unallocated Offset Length File 0 0x20000 TEST_DIR/subdir/t.IMGFMT 0x40000 0x20000 TEST_DIR/subdir/t.IMGFMT *** done