btrfs: use btrfs_raid_array for btrfs_get_num_tolerated_disk_barrier_failures()

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btrfs_raid_array[] is used to define all raid attributes, use it
to get tolerated_failures in btrfs_get_num_tolerated_disk_barrier_failures(),
instead of complex condition in function.

It can make code simple and auto-support other possible raid-type in
future.

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 21:08:07 +08:00 • committed by David Sterba

parent af90204750

commit 8789f4fe60

3 changed files with 30 additions and 13 deletions

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35

fs/btrfs/disk-io.c

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7

fs/btrfs/volumes.c

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1

fs/btrfs/volumes.h

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