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btrfs: fix wrong data space statistics 

Josef has implemented mixed data/metadata chunks, we must add those chunks'
space just like data chunks.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Miao Xie 2011-01-05 10:07:15 +00:00 committed by Chris Mason
parent f580eb0931
commit 299a08b1c3
1 changed files with 3 additions and 4 deletions
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7
fs/btrfs/super.c
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@ -790,11 +790,10 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
rcu_read_lock();
list_for_each_entry_rcu(found, head, list) {
if (found->flags & (BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_SYSTEM))
total_used_data += found->disk_total;
else
if (found->flags & BTRFS_BLOCK_GROUP_DATA)
total_used_data += found->disk_used;
else
total_used_data += found->disk_total;
total_used += found->disk_used;
}
rcu_read_unlock();