Messages in this thread | | | From | dan carpenter <> | Subject | file system race condition testing | Date | Tue, 2 Sep 2003 01:33:31 -0700 |
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Racer is a bunch of shell scripts that I wrote to try find race conditions in JFS code. I have expanded them to be a general purpose race condition tester. The scripts also found a couple bugs XFS and Reiserfs in 2.6.0-test1 but those have been fixed in 2.6.0-test4.
How it works is that the scripts randomly creates files 0 - 20, renames them, deletes them, and links to them etc. If the filesystem survives for a couple hours of beating that's considerred a pass.
The scripts are at: http://kbugs.org/racer.tar.gz
Just use `./racer.sh` to run the scripts. Obviously, you won't want to run the script on a production system.
When I wrote the scripts I tried to think about all the different types of operations that you can do on a file but I probably missed a lot of them. Probably someone more familiar with filesystem code could provide useful feedback.
thanks, Dan Carpenter
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