1AUTHOR = "walkinair@cn.ibm.com"
2NAME = "fs_mark"
3TEST_CATEGORY = "Stress"
4TEST_CLASS = "General"
5TEST_TYPE = "client"
6TIME = 'MEDIUM'
7DOC='''
8Detect barrier issues in file systems.
9
10If a file system have write barrier not protecting synchronous write,
11the number of synchronous (single threaded) operations/sec will exceed the
12calculated number of synchronous operations/sec of the underlying drive.
13
14Details of fs_mark can be found at:
15http://devresources.linux-foundation.org/dev/doubt/fs_mark/index.html
16'''
17job.run_test('fs_mark', dir='/mnt')
18