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Author SHA1 Message Date
Andreas Gruenbacher d0e22a260c drbd: Iterate over all overlapping intervals in a tree
Add a macro and helper function for doing that.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-10-14 16:47:37 +02:00
Andreas Gruenbacher 5e4722645a drbd: _req_conflicts(): Get rid of the epoch_entries tree
Instead of keeping a separate tree for local and remote write requests
for finding requests and for conflict detection, use the same tree for
both purposes.  Introduce a flag to allow distinguishing the two
possible types of entries in this tree.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:32 +02:00
Andreas Gruenbacher 53840641bb drbd: Allow to wait for the completion of an epoch entry as well
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-09-28 10:26:31 +02:00
Andreas Gruenbacher bc9c5c4118 drbd: Use the read and write request trees for request lookups
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-08-29 11:26:50 +02:00
Andreas Gruenbacher 0939b0e5cd drbd: Add interval tree data structure
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2011-08-25 14:58:04 +02:00