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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
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| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
| commit | f73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch) | |
| tree | b7959c01cf7a5d95c7c4d5b61929ff9123370322 /fs/xfs/xfs_exchrange.h | |
| parent | dma-buf: handle testing kthreads creation failure (diff) | |
| parent | Merge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff) | |
| download | wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip | |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'fs/xfs/xfs_exchrange.h')
| -rw-r--r-- | fs/xfs/xfs_exchrange.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/xfs/xfs_exchrange.h b/fs/xfs/xfs_exchrange.h new file mode 100644 index 000000000000..039abcca546e --- /dev/null +++ b/fs/xfs/xfs_exchrange.h @@ -0,0 +1,38 @@ +/* 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) + +#define XFS_EXCHANGE_RANGE_PRIV_FLAGS (__XFS_EXCHANGE_RANGE_UPD_CMTIME1 | \ + __XFS_EXCHANGE_RANGE_UPD_CMTIME2) + +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 */ +}; + +long xfs_ioc_exchange_range(struct file *file, + struct xfs_exchange_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__ */ |