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Commit f3eae7e8 authored by Zhao Lei's avatar Zhao Lei Committed by Chris Mason
Browse files

Btrfs: Simplify num_stripes's calculation logical for __btrfs_alloc_chunk() 



We can use this simple method to make source more readable.

Signed-off-by: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent ab59381e

fs/btrfs/volumes.c

+2 −2
Original line number Diff line number Diff line
@@ -2198,9 +2198,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, 
		min_stripes = 2;

	}

	if (type & (BTRFS_BLOCK_GROUP_RAID1)) {

		num_stripes = min_t(u64, 2, fs_devices->rw_devices);

		if (num_stripes < 2)

		if (fs_devices->rw_devices < 2)

			return -ENOSPC;

		num_stripes = 2;

		min_stripes = 2;

	}

	if (type & (BTRFS_BLOCK_GROUP_RAID10)) {