[PATCH] btrfs-progs: Use '-t btrfs' mount option in tests.

[Adam Buchbinder <abuchbinder@google.com>]

Without it, mount (at least from util-linux 2.20.1) tries (and
fails) to mount some filesystems as NTFS.

Signed-off-by: Adam Buchbinder <abuchbinder@google.com>
---
 tests/common                                 | 2 +-
 tests/fsck-tests/012-leaf-corruption/test.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/common b/tests/common
index 7ad436e..bed6009 100644
--- a/tests/common
+++ b/tests/common
@@ -387,7 +387,7 @@ run_check_mount_test_dev()
 		_fail "Invalid \$TEST_MNT: $TEST_MNT"
 	}
 
-	run_check $SUDO_HELPER mount $loop_opt "$@" "$TEST_DEV" "$TEST_MNT"
+	run_check $SUDO_HELPER mount -t btrfs $loop_opt "$@" "$TEST_DEV" "$TEST_MNT"
 }
 
 run_check_umount_test_dev()
diff --git a/tests/fsck-tests/012-leaf-corruption/test.sh b/tests/fsck-tests/012-leaf-corruption/test.sh
index 43b0e6d..fc10a4f 100755
--- a/tests/fsck-tests/012-leaf-corruption/test.sh
+++ b/tests/fsck-tests/012-leaf-corruption/test.sh
@@ -90,7 +90,7 @@ check_inode()
 check_leaf_corrupt_no_data_ext()
 {
 	image=$1
-	$SUDO_HELPER mount -o loop "$image" -o ro "$TEST_MNT"
+	$SUDO_HELPER mount -o loop -t btrfs "$image" -o ro "$TEST_MNT"
 
 	i=0
 	while [ $i -lt ${#leaf_no_data_ext_list[@]} ]; do
-- 
2.13.2.932.g7449e964c-goog