crush: remove mutable part of CRUSH map

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Then add it to the working state. It would be very nice if we didn't
have to take a lock to calculate a crush placement. By moving the
permutation array into the working data, we can treat the CRUSH map as
immutable.

Reflects ceph.git commit cbcd039651c0569551cb90d26ce27e1432671f2a.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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Ilya Dryomov 2017-01-31 15:55:06 +01:00

parent 1b6a78b5b9

commit 66a0e2d579

6 changed files with 218 additions and 86 deletions

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1

include/linux/ceph/osdmap.h

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41

include/linux/crush/crush.h

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4

include/linux/crush/mapper.h

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