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| author | Phillip Lougher <phillip@squashfs.org.uk> | 2013-11-18 02:31:36 +0000 |
|---|---|---|
| committer | Phillip Lougher <phillip@squashfs.org.uk> | 2013-11-20 03:58:03 +0000 |
| commit | d208383d640727b70cd6689bc17e67e9b5ebf4ff (patch) | |
| tree | 03a6146c22473beb13e2ebda605d6a332ddb758b /fs/efs | |
| parent | cd59c2ec5f37a2bc1315c9324aab6c21d43ffa1a (diff) | |
Squashfs: add multi-threaded decompression using percpu variable
Add a multi-threaded decompression implementation which uses
percpu variables.
Using percpu variables has advantages and disadvantages over
implementations which do not use percpu variables.
Advantages:
* the nature of percpu variables ensures decompression is
load-balanced across the multiple cores.
* simplicity.
Disadvantages: it limits decompression to one thread per core.
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Diffstat (limited to 'fs/efs')
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