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authorMark Fasheh <mark.fasheh@oracle.com>2007-01-17 12:31:35 -0800
committerMark Fasheh <mark.fasheh@oracle.com>2007-04-26 15:01:31 -0700
commit363041a5f74b953ab6b705ac9c88e5eda218a24b (patch)
treec0661c3f88978f2049693682f1cb94b20a8454c0 /net/packet
parentdcd0538ff4e854fa9d7f4630b359ca8fdb5cb5a8 (diff)
downloadblackbird-op-linux-363041a5f74b953ab6b705ac9c88e5eda218a24b.tar.gz
blackbird-op-linux-363041a5f74b953ab6b705ac9c88e5eda218a24b.zip
ocfs2: temporarily remove extent map caching
The code in extent_map.c is not prepared to deal with a subtree being rotated between lookups. This can happen when filling holes in sparse files. Instead of a lengthy patch to update the code (which would likely lose the benefit of caching subtree roots), we remove most of the algorithms and implement a simple path based lookup. A less ambitious extent caching scheme will be added in a later patch. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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