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-rw-r--r--fs/btrfs/relocation.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ba39f6969a72..0238801e6408 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -9,6 +9,7 @@
#include <linux/blkdev.h>
#include <linux/rbtree.h>
#include <linux/slab.h>
+#include <linux/error-injection.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
@@ -3314,6 +3315,15 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
return ret;
}
+/*
+ * Allow error injection to test balance cancellation
+ */
+int btrfs_should_cancel_balance(struct btrfs_fs_info *fs_info)
+{
+ return atomic_read(&fs_info->balance_cancel_req);
+}
+ALLOW_ERROR_INJECTION(btrfs_should_cancel_balance, TRUE);
+
static int relocate_file_extent_cluster(struct inode *inode,
struct file_extent_cluster *cluster)
{