Files
cubelinux-kernel/fs/xfs/xfs_exchrange.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

53 lines
1.5 KiB
C

/* 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__ */