1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2021-2024 Oracle. All Rights Reserved.
4 * Author: Darrick J. Wong <djwong@kernel.org>
5 */
6 #ifndef __XFS_SCRUB_TEMPFILE_H__
7 #define __XFS_SCRUB_TEMPFILE_H__
8
9 #ifdef CONFIG_XFS_ONLINE_REPAIR
10 int xrep_tempfile_create(struct xfs_scrub *sc, uint16_t mode);
11 void xrep_tempfile_rele(struct xfs_scrub *sc);
12
13 bool xrep_tempfile_iolock_nowait(struct xfs_scrub *sc);
14 int xrep_tempfile_iolock_polled(struct xfs_scrub *sc);
15 void xrep_tempfile_iounlock(struct xfs_scrub *sc);
16
17 void xrep_tempfile_ilock(struct xfs_scrub *sc);
18 bool xrep_tempfile_ilock_nowait(struct xfs_scrub *sc);
19 void xrep_tempfile_iunlock(struct xfs_scrub *sc);
20 void xrep_tempfile_iunlock_both(struct xfs_scrub *sc);
21 void xrep_tempfile_ilock_both(struct xfs_scrub *sc);
22
23 int xrep_tempfile_prealloc(struct xfs_scrub *sc, xfs_fileoff_t off,
24 xfs_filblks_t len);
25
26 enum xfs_blft;
27
28 typedef int (*xrep_tempfile_copyin_fn)(struct xfs_scrub *sc,
29 struct xfs_buf *bp, void *data);
30
31 int xrep_tempfile_copyin(struct xfs_scrub *sc, xfs_fileoff_t off,
32 xfs_filblks_t len, xrep_tempfile_copyin_fn fn, void *data);
33
34 int xrep_tempfile_set_isize(struct xfs_scrub *sc, unsigned long long isize);
35
36 int xrep_tempfile_roll_trans(struct xfs_scrub *sc);
37 void xrep_tempfile_copyout_local(struct xfs_scrub *sc, int whichfork);
38 bool xrep_is_tempfile(const struct xfs_inode *ip);
39 #else
40 static inline void xrep_tempfile_iolock_both(struct xfs_scrub *sc)
41 {
42 xchk_ilock(sc, XFS_IOLOCK_EXCL);
43 }
44 # define xrep_is_tempfile(ip) (false)
45 # define xrep_tempfile_rele(sc)
46 #endif /* CONFIG_XFS_ONLINE_REPAIR */
47
48 #endif /* __XFS_SCRUB_TEMPFILE_H__ */
49
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