options: fix buffer overrun
[fio.git] / examples / butterfly.fio
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8019f14b
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1# Perform a butterfly/funnel seek pattern. This won't always alternate ends on
2# every I/O but it will get close.
3
4[global]
5filename=/tmp/testfile
6bs=4k
7direct=1
8
9[forward]
10rw=read
11flow=2
12# Uncomment the size= and offset= lines to prevent each direction going past
13# the middle of the file
14#size=50%
15
16[backward]
17rw=read:-8k
d4e74fda 18flow=2
8019f14b 19#offset=50%