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| author | Kevin Wolf <kwolf@redhat.com> | 2010-05-04 18:59:26 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-02-22 16:17:03 +0100 |
| commit | d586bc63c1f1ee392f557a44eb06fef8138e8837 (patch) | |
| tree | 12463c84b041720901955884cc4605b9edb56bf4 /tests/qemu-iotests/024 | |
| parent | 596f4f961cd607cda10db17252790370593c7fc2 (diff) | |
| download | qemu-d586bc63c1f1ee392f557a44eb06fef8138e8837.tar.gz | |
qemu-iotests: improve rebase test
The old test didn't consider cases in which the COW files contains some
unallocated clusters and after them allocated ones again.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'tests/qemu-iotests/024')
| -rwxr-xr-x | tests/qemu-iotests/024 | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/tests/qemu-iotests/024 b/tests/qemu-iotests/024 index 2b2ebf144f..48680ca048 100755 --- a/tests/qemu-iotests/024 +++ b/tests/qemu-iotests/024 @@ -52,19 +52,22 @@ CLUSTER_SIZE=65536 # Backing (old) 11 -- 11 -- 11 -- 11 -- # Backing (new) 22 22 -- -- 22 22 -- -- # COW image 33 33 33 33 -- -- -- -- +# +# The pattern is written twice to have both an alloc -> non-alloc and a +# non-alloc -> alloc transition in the COW image. echo "Creating backing file" echo _make_test_img 1G -io_pattern writev $((-2 * CLUSTER_SIZE)) $CLUSTER_SIZE $((2 * CLUSTER_SIZE)) 4 0x11 +io_pattern writev $((-2 * CLUSTER_SIZE)) $CLUSTER_SIZE $((2 * CLUSTER_SIZE)) 8 0x11 mv $TEST_IMG $TEST_IMG.base_old echo "Creating new backing file" echo _make_test_img 1G -io_pattern writev $((-4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE)) $((4 * CLUSTER_SIZE)) 2 0x22 +io_pattern writev $((-4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE)) $((4 * CLUSTER_SIZE)) 4 0x22 mv $TEST_IMG $TEST_IMG.base_new echo "Creating COW image" @@ -72,6 +75,7 @@ echo _make_test_img -b $TEST_IMG.base_old 1G io_pattern writev 0 $((4 * CLUSTER_SIZE)) 0 1 0x33 +io_pattern writev $((8 * CLUSTER_SIZE)) $((4 * CLUSTER_SIZE)) 0 1 0x33 echo "Read before the rebase to make sure everything is set up correctly" echo @@ -83,6 +87,14 @@ io_pattern readv $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 io_pattern readv $((5 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 io_pattern readv $((6 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 io_pattern readv $((7 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 +io_pattern readv $((8 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((9 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((10 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((11 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((12 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 +io_pattern readv $((13 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 +io_pattern readv $((14 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 +io_pattern readv $((15 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 echo echo Rebase and test again @@ -96,6 +108,14 @@ io_pattern readv $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 io_pattern readv $((5 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 io_pattern readv $((6 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 io_pattern readv $((7 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 +io_pattern readv $((8 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((9 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((10 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((11 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33 +io_pattern readv $((12 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 +io_pattern readv $((13 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 +io_pattern readv $((14 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11 +io_pattern readv $((15 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00 # success, all done |