btrfs: use btrfs_raid_array to calculate number of parity stripes

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Use the raid table instead of hard coded values and rename the helper as
it is exported.  This could make later extension on RAID56 based
profiles easier.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2022-05-13 16:34:30 +08:00 • committed by David Sterba

parent 6dead96c1a

commit 0b30f71945

4 changed files with 11 additions and 19 deletions

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10

fs/btrfs/raid56.c

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12

fs/btrfs/raid56.h

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7

fs/btrfs/volumes.c

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1

fs/btrfs/volumes.h

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