1 files changed, 84 insertions, 0 deletions
diff --git a/src/kernel/tests/include/old/old_device.h b/src/kernel/tests/include/old/old_device.h
new file mode 100644
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+++ b/src/kernel/tests/include/old/old_device.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2014-2016 Cyril Hrubis <chrubis@suse.cz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OLD_DEVICE_H__
+#define OLD_DEVICE_H__
+
+/*
+ * Returns filesystem type to be used for the testing. Unless your test is
+ * designed for specific filesystem you should use this function to the tested
+ * filesystem.
+ *
+ * If TST_DEV_FS_TYPE is set the function returns it's content,
+ * otherwise default fs type hardcoded in the library is returned.
+ */
+const char *tst_dev_fs_type(void);
+
+/*
+ * Acquires test device.
+ *
+ * Can be used only once, i.e. you cannot get two different devices.
+ *
+ * Looks for LTP_DEV env variable first (which may be passed by the test
+ * driver or by a user) and returns just it's value if found.
+ *
+ * Otherwise creates a temp file and loop device.
+ *
+ * Note that you have to call tst_tmpdir() beforehand.
+ *
+ * Returns path to the device or NULL if it cannot be created.
+ * Call tst_release_device() when you're done.
+ */
+const char *tst_acquire_device_(void (cleanup_fn)(void), unsigned int size);
+
+const char *tst_acquire_device__(unsigned int size);
+
+static inline const char *tst_acquire_device(void (cleanup_fn)(void))
+{
+	return tst_acquire_device_(cleanup_fn, 0);
+}
+
+/*
+ * Acquire a loop device with specified temp filename. This function allows
+ * you to acquire multiple devices at the same time. LTP_DEV is ignored.
+ * If you call this function directly, use tst_detach_device() to release
+ * the devices. tst_release_device() will not work correctly.
+ *
+ * The return value points to a static buffer and additional calls of
+ * tst_acquire_loop_device() or tst_acquire_device() will overwrite it.
+ */
+const char *tst_acquire_loop_device(unsigned int size, const char *filename);
+
+/*
+ * @dev: device path returned by the tst_acquire_device()
+ */
+int tst_release_device(const char *dev);
+
+/*
+ * Cleanup function for tst_acquire_loop_device(). If you have acquired
+ * a device using tst_acquire_device(), use tst_release_device() instead.
+ * @dev: device path returned by the tst_acquire_loop_device()
+ */
+int tst_detach_device(const char *dev);
+
+/*
+ * Just like umount() but retries several times on failure.
+ * @path: Path to umount
+ */
+int tst_umount(const char *path);
+
+#endif	/* OLD_DEVICE_H__ */