]> Git Repo - linux.git/blob - fs/xfs/xfs_exchrange.h
Merge patch series "riscv: Extension parsing fixes"
[linux.git] / fs / xfs / xfs_exchrange.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (c) 2020-2024 Oracle.  All Rights Reserved.
4  * Author: Darrick J. Wong <[email protected]>
5  */
6 #ifndef __XFS_EXCHRANGE_H__
7 #define __XFS_EXCHRANGE_H__
8
9 /* Update the mtime/cmtime of file1 and file2 */
10 #define __XFS_EXCHANGE_RANGE_UPD_CMTIME1        (1ULL << 63)
11 #define __XFS_EXCHANGE_RANGE_UPD_CMTIME2        (1ULL << 62)
12
13 #define XFS_EXCHANGE_RANGE_PRIV_FLAGS   (__XFS_EXCHANGE_RANGE_UPD_CMTIME1 | \
14                                          __XFS_EXCHANGE_RANGE_UPD_CMTIME2)
15
16 struct xfs_exchrange {
17         struct file             *file1;
18         struct file             *file2;
19
20         loff_t                  file1_offset;
21         loff_t                  file2_offset;
22         u64                     length;
23
24         u64                     flags;  /* XFS_EXCHANGE_RANGE flags */
25 };
26
27 long xfs_ioc_exchange_range(struct file *file,
28                 struct xfs_exchange_range __user *argp);
29
30 struct xfs_exchmaps_req;
31
32 void xfs_exchrange_ilock(struct xfs_trans *tp, struct xfs_inode *ip1,
33                 struct xfs_inode *ip2);
34 void xfs_exchrange_iunlock(struct xfs_inode *ip1, struct xfs_inode *ip2);
35
36 int xfs_exchrange_estimate(struct xfs_exchmaps_req *req);
37
38 #endif /* __XFS_EXCHRANGE_H__ */
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