From 220edc0def4804537ba43df9165c5cbc85bbae2f Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Tue, 4 May 2010 18:59:26 +0200 Subject: [PATCH] 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 Signed-off-by: Christoph Hellwig --- 024 | 24 ++++++++++++++++++++++-- 024.out | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+), 2 deletions(-) diff --git a/024 b/024 index 2b2ebf1..48680ca 100755 --- a/024 +++ b/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 diff --git a/024.out b/024.out index f75b75e..4cee216 100644 --- a/024.out +++ b/024.out @@ -11,6 +11,14 @@ qemu-io> wrote 65536/65536 bytes at offset 262144 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> wrote 65536/65536 bytes at offset 393216 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 65536/65536 bytes at offset 524288 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 65536/65536 bytes at offset 655360 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 65536/65536 bytes at offset 786432 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 65536/65536 bytes at offset 917504 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> Creating new backing file Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 cluster_size=65536 @@ -19,12 +27,19 @@ qemu-io> wrote 131072/131072 bytes at offset 0 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> wrote 131072/131072 bytes at offset 262144 128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 131072/131072 bytes at offset 524288 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> wrote 131072/131072 bytes at offset 786432 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> Creating COW image Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 backing_file='TEST_DIR/t.IMGFMT.base_old' cluster_size=65536 === IO: pattern 0x33 qemu-io> wrote 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> wrote 262144/262144 bytes at offset 524288 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> Read before the rebase to make sure everything is set up correctly === IO: pattern 0x33 @@ -51,6 +66,30 @@ qemu-io> read 65536/65536 bytes at offset 393216 qemu-io> === IO: pattern 0x00 qemu-io> read 65536/65536 bytes at offset 458752 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 524288 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 589824 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 655360 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 720896 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x11 +qemu-io> read 65536/65536 bytes at offset 786432 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x00 +qemu-io> read 65536/65536 bytes at offset 851968 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x11 +qemu-io> read 65536/65536 bytes at offset 917504 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x00 +qemu-io> read 65536/65536 bytes at offset 983040 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> Rebase and test again @@ -78,4 +117,28 @@ qemu-io> read 65536/65536 bytes at offset 393216 qemu-io> === IO: pattern 0x00 qemu-io> read 65536/65536 bytes at offset 458752 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 524288 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 589824 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 655360 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x33 +qemu-io> read 65536/65536 bytes at offset 720896 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x11 +qemu-io> read 65536/65536 bytes at offset 786432 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x00 +qemu-io> read 65536/65536 bytes at offset 851968 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x11 +qemu-io> read 65536/65536 bytes at offset 917504 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0x00 +qemu-io> read 65536/65536 bytes at offset 983040 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> *** done -- 2.11.4.GIT