diff options
| author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2010-03-25 08:32:59 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-03-30 21:19:09 -0400 |
| commit | f3eae7e8a5ed124bbc781e18ea10c21856017322 (patch) | |
| tree | 5e275277720e220ac3c9c2e3dcc404c39a76bbe8 /fs/btrfs/volumes.c | |
| parent | ab59381ea43f81c977cbd09add26950aaf6cb9fe (diff) | |
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: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c6c80093eac0..bf3bec3e4130 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c | |||
| @@ -2198,9 +2198,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, | |||
| 2198 | min_stripes = 2; | 2198 | min_stripes = 2; |
| 2199 | } | 2199 | } |
| 2200 | if (type & (BTRFS_BLOCK_GROUP_RAID1)) { | 2200 | if (type & (BTRFS_BLOCK_GROUP_RAID1)) { |
| 2201 | num_stripes = min_t(u64, 2, fs_devices->rw_devices); | 2201 | if (fs_devices->rw_devices < 2) |
| 2202 | if (num_stripes < 2) | ||
| 2203 | return -ENOSPC; | 2202 | return -ENOSPC; |
| 2203 | num_stripes = 2; | ||
| 2204 | min_stripes = 2; | 2204 | min_stripes = 2; |
| 2205 | } | 2205 | } |
| 2206 | if (type & (BTRFS_BLOCK_GROUP_RAID10)) { | 2206 | if (type & (BTRFS_BLOCK_GROUP_RAID10)) { |