From: Miao Xie <miaox@cn.fujitsu.com>
To: Chris Mason <chris.mason@oracle.com>
Cc: Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: [PATCH 08/18] btrfs: Simplify num_stripes's calculation logical for __btrfs_alloc_chunk()
Date: Thu, 25 Mar 2010 20:32:59 +0800 [thread overview]
Message-ID: <4BAB57FB.2050300@cn.fujitsu.com> (raw)
From: Zhao Lei <zhaolei@cn.fujitsu.com>
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>
---
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 844c393..3ae1f42 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,
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)) {
--
1.6.5.2
reply other threads:[~2010-03-25 12:32 UTC|newest]
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