读测试：
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CODE:
debian:/mnt/sda1# time cat test > /dev/null
real 0m1.429s
user 0m0.020s
sys 0m0.290s
（2）data=writeback
写测试：
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CODE:
debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K
102400+0 records in
102400+0 records out
104857600 bytes (105 MB) copied, 0.990267 seconds, 106 MB/s
real 0m1.004s
user 0m0.110s
sys 0m0.470s
读测试：
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CODE:
debian:/mnt/sda1# time cat test > /dev/null
real 0m1.339s
user 0m0.010s
sys 0m0.250s
（3）data=journal
写测试：
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CODE:
debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K
102400+0 records in
102400+0 records out
104857600 bytes (105 MB) copied, 6.45851 seconds, 16.2 MB/s
real 0m6.470s
user 0m0.080s
sys 0m0.590s
读测试：
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CODE:
debian:/mnt/sda1# time cat test > /dev/null
real 0m1.665s
user 0m0.010s
sys 0m0.220s
4、ReiserFS
写测试：
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CODE:
debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K
102400+0 records in
102400+0 records out
104857600 bytes (105 MB) copied, 1.13243 seconds, 92.6 MB/s
real 0m1.153s
user 0m0.040s
sys 0m0.620s
读测试：
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CODE:
debian:/mnt/sda1# time cat test > /dev/null
real 0m1.543s
user 0m0.000s
sys 0m0.240s
5、XFS