/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2020-2024 Oracle. All Rights Reserved. * Author: Darrick J. Wong <djwong@kernel.org> */ #ifndef __XFS_EXCHRANGE_H__ #define __XFS_EXCHRANGE_H__ /* Update the mtime/cmtime of file1 and file2 */ #define __XFS_EXCHANGE_RANGE_UPD_CMTIME1 (1ULL << 63) #define __XFS_EXCHANGE_RANGE_UPD_CMTIME2 (1ULL << 62) /* Freshness check required */ #define __XFS_EXCHANGE_RANGE_CHECK_FRESH2 (1ULL << 61) #define XFS_EXCHANGE_RANGE_PRIV_FLAGS (__XFS_EXCHANGE_RANGE_UPD_CMTIME1 | \ __XFS_EXCHANGE_RANGE_UPD_CMTIME2 | \ __XFS_EXCHANGE_RANGE_CHECK_FRESH2) struct xfs_exchrange { struct file *file1; struct file *file2; loff_t file1_offset; loff_t file2_offset; u64 length; u64 flags; /* XFS_EXCHANGE_RANGE flags */ /* file2 metadata for freshness checks */ u64 file2_ino; struct timespec64 file2_mtime; struct timespec64 file2_ctime; u32 file2_gen; }; long xfs_ioc_exchange_range(struct file *file, struct xfs_exchange_range __user *argp); long xfs_ioc_start_commit(struct file *file, struct xfs_commit_range __user *argp); long xfs_ioc_commit_range(struct file *file, struct xfs_commit_range __user *argp); struct xfs_exchmaps_req; void xfs_exchrange_ilock(struct xfs_trans *tp, struct xfs_inode *ip1, struct xfs_inode *ip2); void xfs_exchrange_iunlock(struct xfs_inode *ip1, struct xfs_inode *ip2); int xfs_exchrange_estimate(struct xfs_exchmaps_req *req); #endif /* __XFS_EXCHRANGE_H__ */