commit | 19f843aa08e2d8f87a09b4c2edc43b00638423a8 | [log] [tgz] |
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author | Lars Ellenberg <lars.ellenberg@linbit.com> | Wed Dec 15 08:59:11 2010 +0100 |
committer | Philipp Reisner <philipp.reisner@linbit.com> | Thu Mar 10 11:43:19 2011 +0100 |
tree | 49919bd17ba7e03eb7cb76175910714d55704997 | |
parent | 95a0f10cddbf93ce89c175ac1c53dad2d20ad309 [diff] |
drbd: bitmap keep track of changes vs on-disk bitmap When we set or clear bits in a bitmap page, also set a flag in the page->private pointer. This allows us to skip writes of unchanged pages. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>