From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 5 Jan 2011 10:07:15 +0000 (+0000)
Subject: btrfs: fix wrong data space statistics
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=299a08b1c34f9397797946a0fa215c5fd145c5cf;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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>
---

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index a1a76b2a61f9..caa5bcc62f16 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -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();