btrfs: refactor block group replication factor calculation to a helper

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There are many places that open code the duplicity factor of the block
group profiles, create a common helper. This can be easily extended for
more copies.

Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

David Sterba 2018-07-13 20:46:30 +02:00

parent 321a4bf72b

commit 46df06b85e

4 changed files with 24 additions and 36 deletions

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36

fs/btrfs/extent-tree.c

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11

fs/btrfs/super.c

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11

fs/btrfs/volumes.c

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2

fs/btrfs/volumes.h

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