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-rw-r--r--block/blk-cgroup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 3ad497f..1fa2654 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -14,6 +14,7 @@
#include <linux/seq_file.h>
#include <linux/kdev_t.h>
#include <linux/module.h>
+#include <linux/err.h>
#include "blk-cgroup.h"
static DEFINE_SPINLOCK(blkio_list_lock);
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