btrfs: remove obsolete part of comment in statfs

The mixed blockgroup reporting has been fixed by commit
ae02d1bd070767e109f4a6f1bb1f466e9698a355
"btrfs: fix mixed block count of available space"

Signed-off-by: David Sterba <dsterba@suse.com>
(cherry picked from commit 9f8d49095b86d3494ee184f6ede4a5b179d5dc5c)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 60f5c82518a5d70a14b9c55d8943bdd02b93b222..5f13ff7bdc7cde3faebbeaff1f51c10f3e5e467e 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2029,9 +2029,6 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
  * chunk).
  *
  * If metadata is exhausted, f_bavail will be 0.
- *
- * FIXME: not accurate for mixed block groups, total and free/used are ok,
- * available appears slightly larger.
  */
 static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {