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Committer:
Robert Collins
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Date:
2006-09-10 23:42:17 UTC
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mto:
This revision was merged to the branch mainline in
revision
2000.
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Revision ID:
robertc@robertcollins.net-20060910234217-0ae24d8e666d60d6
All WorkingTree methods which write to the tree, but not to the branch
have been converted to use ``needs_tree_write_lock`` rather than
``needs_write_lock``. Also converted is the revert, conflicts and tree
transform modules. This provides a modest performance improvement on
metadir style trees, due to the reduce lock-acquisition, and a more
significant performance improvement on lightweight checkouts from
remote branches, where trivial operations used to pay a significant
penalty. It also provides the basis for allowing readonly checkouts.
(Robert Collins)