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authorIlya Dryomov <idryomov@gmail.com>2017-01-31 15:55:06 +0100
committerIlya Dryomov <idryomov@gmail.com>2017-02-20 12:16:11 +0100
commit66a0e2d579dbec5c676cfe446234ffebb267c564 (patch)
tree6a2d4307be3e39e4955697a49ed5daf6ea97d927 /fs/btrfs/rcu-string.h
parent1b6a78b5b91cdc07cc0b940b458e90c86835cf73 (diff)
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op-kernel-dev-66a0e2d579dbec5c676cfe446234ffebb267c564.tar.gz
crush: remove mutable part of CRUSH map
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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