1 files changed, 12 insertions, 6 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 5f56213908e7..65b62daa3f80 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -638,7 +638,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
         if (IS_ERR(root)) {
                 error = PTR_ERR(root);
                 deactivate_locked_super(s);
-                goto error;
+                goto error_free_subvol_name;
         }
         /* if they gave us a subvolume name bind mount into that */
         if (strcmp(subvol_name, ".")) {
@@ -652,14 +652,14 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
                         deactivate_locked_super(s);
                         error = PTR_ERR(new_root);
                         dput(root);
-                        goto error_close_devices;
+                        goto error_free_subvol_name;
                 }
                 if (!new_root->d_inode) {
                         dput(root);
                         dput(new_root);
                         deactivate_locked_super(s);
                         error = -ENXIO;
-                        goto error_close_devices;
+                        goto error_free_subvol_name;
                 }
                 dput(root);
                 root = new_root;
@@ -677,7 +677,6 @@ error_close_devices:
         btrfs_close_devices(fs_devices);
 error_free_subvol_name:
         kfree(subvol_name);
-error:
         return error;
 }
 
@@ -725,18 +724,25 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
         struct list_head *head = &root->fs_info->space_info;
         struct btrfs_space_info *found;
         u64 total_used = 0;
+        u64 total_used_data = 0;
         int bits = dentry->d_sb->s_blocksize_bits;
         __be32 *fsid = (__be32 *)root->fs_info->fsid;
 
         rcu_read_lock();
-        list_for_each_entry_rcu(found, head, list)
+        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
+                        total_used_data += found->disk_used;
                 total_used += found->disk_used;
+        }
         rcu_read_unlock();
 
         buf->f_namelen = BTRFS_NAME_LEN;
         buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits;
         buf->f_bfree = buf->f_blocks - (total_used >> bits);
-        buf->f_bavail = buf->f_bfree;
+        buf->f_bavail = buf->f_blocks - (total_used_data >> bits);
         buf->f_bsize = dentry->d_sb->s_blocksize;
         buf->f_type = BTRFS_SUPER_MAGIC;