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btrfs: add mask for all RAID1 types

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Preparatory patch for additional RAID1 profiles with more copies. The
mask will contain 3-copy and 4-copy, most of the checks for plain RAID1
work the same for the other profiles.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2019-05-31 15:39:31 +02:00
parent e88439debd
commit c7369b3fae
4 changed files with 11 additions and 9 deletions
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2
include/uapi/linux/btrfs_tree.h
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@@ -866,6 +866,8 @@ enum btrfs_raid_types {
#define BTRFS_BLOCK_GROUP_RAID56_MASK (BTRFS_BLOCK_GROUP_RAID5 | \
BTRFS_BLOCK_GROUP_RAID6)
#define BTRFS_BLOCK_GROUP_RAID1_MASK (BTRFS_BLOCK_GROUP_RAID1)
/*
* We need a bit for restriper to be able to tell when chunks of type
* SINGLE are available. This "extended" profile format is used in