tests/qemu-iotests/common.pattern

26         echo "alloc $(( start + (i - 1) * step )) $size"
44         echo "$op -P $pattern $(( start + (i - 1) * step )) $size"
54     local pattern=$(( (start >> 9) % 256 ))
60     do_io "$@" 0 | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
98     offset=$(( ((offset + l2_size - 1) & ~(l2_size - 1)) - (3 * half_cluster) ))
108     # Pattern (repeat after 9 clusters):
109     #        used - used - free - used - compressed - compressed -
110     #        free - free - compressed
114     io_pattern writev $((offset + 4 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
116     io_pattern writev $((offset + 5 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
118     io_pattern writev $((offset + 8 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
121     $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
125     io_pattern writev $((offset + 0 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
127     io_pattern writev $((offset + 1 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
129     io_pattern writev $((offset + 3 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
133 …io_pattern readv $((offset + 0 * $cluster_size)) $((2 * $cluster_size)) $((9 * $cluster_size)) $nu…
134 …io_pattern readv $((offset + 3 * $cluster_size)) $((3 * $cluster_size)) $((9 * $cluster_size)) $nu…
135 …io_pattern readv $((offset + 8 * $cluster_size)) $((1 * $cluster_size)) $((9 * $cluster_size)) $nu…
138     io_zero readv $((offset + 2 * $cluster_size)) $((1 * $cluster_size)) $((9 * $cluster_size)) $num
139     io_zero readv $((offset + 6 * $cluster_size)) $((2 * $cluster_size)) $((9 * $cluster_size)) $num