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/*
* Copyright (c) 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 TST_DEVICE_H__
#define TST_DEVICE_H__
struct tst_device {
const char *dev;
const char *fs_type;
};
/*
* Automatically initialized if test.needs_device is set.
*/
extern struct tst_device *tst_device;
/*
* Just like umount() but retries several times on failure.
* @path: Path to umount
*/
int tst_umount(const char *path);
/*
* Clears a first few blocks of the device. This is needed when device has
* already been formatted with a filesystems, subset of mkfs.foo utils aborts
* the operation if it finds a filesystem signature there.
*
* Note that this is called from tst_mkfs() automatically, so you probably will
* not need to use this from the test yourself.
*/
int tst_clear_device(const char *dev);
/*
* Reads test block device stat file and returns the bytes written since the
* last call of this function.
* @dev: test block device
*/
unsigned long tst_dev_bytes_written(const char *dev);
#endif /* TST_DEVICE_H__ */
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