tests/btrfs.c: fix build with u64 based BTRFS_IOC_DEFAULT_SUBVOL

* tests/btrfs.c: Fix build on systems where BTRFS_IOC_DEFAULT_SUBVOL
is defined using unexported type "u64".

diff --git a/tests/btrfs.c b/tests/btrfs.c
index 706b97b71491e2f19bbe29fd15425b5011d3df39..6d4d1ed7d10241a27ffee125d05eaaa67b61f736 100644 (file)
--- a/tests/btrfs.c
+++ b/tests/btrfs.c
@@ -54,6 +54,12 @@
 # define BTRFS_NAME_LEN 255
 #endif
 
+/*
+ * Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
+ * its definition, which isn't exported by the kernel.
+ */
+typedef __u64 u64;
+
 static const char *btrfs_test_root;
 static int btrfs_test_dir_fd;
 static bool verbose = false;