btrfs: Move btrfs_raid_array to public

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This array is used to record attributes of each raid type,
make it public, and many functions will benifit with this array.

For example, num_tolerated_disk_barrier_failures(), we can
avoid complex conditions in this function, and get raid attribute
simply by accessing above array.

It can also make code logic simple, reduce duplication code, and
increase maintainability.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Zhao Lei 2015-09-15 21:08:06 +08:00 • committed by David Sterba

parent e9cf439f0d

commit af90204750

2 changed files with 73 additions and 59 deletions

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128

fs/btrfs/volumes.c

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4

fs/btrfs/volumes.h

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