btrfs: use mask for RAID56 profiles

We don't need to enumerate the profiles, use the mask for consistency.
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/extent-tree.c

@@ -7874,8 +7874,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
 		if (!block_group_bits(block_group, flags)) {
 			u64 extra = BTRFS_BLOCK_GROUP_DUP |
 				BTRFS_BLOCK_GROUP_RAID1_MASK |
-				BTRFS_BLOCK_GROUP_RAID5 |
-				BTRFS_BLOCK_GROUP_RAID6 |
+				BTRFS_BLOCK_GROUP_RAID56_MASK |
 				BTRFS_BLOCK_GROUP_RAID10;
 
 			/*
@@ -9562,8 +9561,7 @@ static u64 update_block_group_flags(struct btrfs_fs_info *fs_info, u64 flags)
 
 	num_devices = fs_info->fs_devices->rw_devices;
 
-	stripped = BTRFS_BLOCK_GROUP_RAID0 |
-		BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6 |
+	stripped = BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID56_MASK |
 		BTRFS_BLOCK_GROUP_RAID1_MASK | BTRFS_BLOCK_GROUP_RAID10;
 
 	if (num_devices == 1) {
@@ -10446,8 +10444,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
 		if (!(get_alloc_profile(info, space_info->flags) &
 		      (BTRFS_BLOCK_GROUP_RAID10 |
 		       BTRFS_BLOCK_GROUP_RAID1_MASK |
-		       BTRFS_BLOCK_GROUP_RAID5 |
-		       BTRFS_BLOCK_GROUP_RAID6 |
+		       BTRFS_BLOCK_GROUP_RAID56_MASK |
 		       BTRFS_BLOCK_GROUP_DUP)))
 			continue;
 		/*