/*
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* Copyright (c) 2014-2016 Cyril Hrubis <chrubis@suse.cz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OLD_DEVICE_H__
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#define OLD_DEVICE_H__
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/*
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* Returns filesystem type to be used for the testing. Unless your test is
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* designed for specific filesystem you should use this function to the tested
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* filesystem.
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*
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* If TST_DEV_FS_TYPE is set the function returns it's content,
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* otherwise default fs type hardcoded in the library is returned.
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*/
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const char *tst_dev_fs_type(void);
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/*
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* Acquires test device.
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*
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* Can be used only once, i.e. you cannot get two different devices.
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*
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* Looks for LTP_DEV env variable first (which may be passed by the test
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* driver or by a user) and returns just it's value if found.
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*
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* Otherwise creates a temp file and loop device.
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*
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* Note that you have to call tst_tmpdir() beforehand.
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*
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* Returns path to the device or NULL if it cannot be created.
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*/
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const char *tst_acquire_device_(void (cleanup_fn)(void), unsigned int size);
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const char *tst_acquire_device__(unsigned int size);
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static inline const char *tst_acquire_device(void (cleanup_fn)(void))
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{
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return tst_acquire_device_(cleanup_fn, 0);
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}
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/*
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* @dev: device path returned by the tst_acquire_device()
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*/
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int tst_release_device(const char *dev);
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/*
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* Just like umount() but retries several times on failure.
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* @path: Path to umount
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*/
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int tst_umount(const char *path);
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#endif /* OLD_DEVICE_H__ */
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