From 8a0aba733db1adb5e1f0e828889a18f4c1c512de Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 16 Oct 2008 10:06:27 -0400
Subject: ext4: let the block device know when unused blocks can be discarded

Let the block device know when unused blocks can be discarded, using
the new sb_issue_discard() interface.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/ext4/mballoc.h')

diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 9e815c4e37d..94cb7b9fe3e 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -18,6 +18,8 @@
 #include <linux/pagemap.h>
 #include <linux/seq_file.h>
 #include <linux/version.h>
+#include <linux/blkdev.h>
+#include <linux/marker.h>
 #include "ext4_jbd2.h"
 #include "ext4.h"
 #include "group.h"
-- 
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