btrfs: use u8 for raid_array members

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The raid_attr table is now 7 * 56 = 392 bytes long, consisting of just
small numbers so we don't have to use ints. New size is 7 * 32 = 224,
saving 3 cachelines.

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

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This commit is contained in:

David Sterba 2019-05-17 11:43:36 +02:00

parent 946c9256c6

commit 8c3e3582a4

2 changed files with 11 additions and 11 deletions

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4

fs/btrfs/disk-io.c

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18

fs/btrfs/volumes.h

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