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| author |   Goldwyn Rodrigues <rgoldwyn@suse.com> | 2014-03-29 10:20:02 -0500 |
|---|---|---|
| committer | Goldwyn Rodrigues <rgoldwyn@suse.com> | 2015-02-23 07:28:42 -0600 |
| commit | c4ce867fdad200dfd8aa8cbe1eabc26c14c51635 (patch) | |
| tree | 529e265c90fbc91a3d4fe8a327f9d7ff9a284890 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Introduce md_cluster_operations to handle cluster functions (diff) | |
| download | wireguard-linux-c4ce867fdad200dfd8aa8cbe1eabc26c14c51635.tar.xz wireguard-linux-c4ce867fdad200dfd8aa8cbe1eabc26c14c51635.zip | |
Introduce md_cluster_info
md_cluster_info stores the cluster information in the MD device.
The join() is called when mddev detects it is a clustered device.
The main responsibilities are:
1. Setup a DLM lockspace
2. Setup all initial locks such as super block locks and bitmap lock (will come later)
The leave() clears up the lockspace and all the locks held.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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