Btrfs: fix wrong comment in can_overcommit()

The comment is not coincident with the code. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 7563db7..2cfcce2 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3668,9 +3668,9 @@ static int can_overcommit(struct btrfs_root *root,
                avail >>= 1;
 
        /*
-        * If we aren't flushing don't let us overcommit too much, say
-        * 1/8th of the space.  If we can flush, let it overcommit up to
-        * 1/2 of the space.
+        * If we aren't flushing all things, let us overcommit up to
+        * 1/2th of the space. If we can flush, don't let us overcommit
+        * too much, let it overcommit up to 1/8 of the space.
         */
        if (flush)
                avail >>= 3;