// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_EXPORT_H__ #define __XFS_EXPORT_H__ /* * Common defines for code related to exporting XFS filesystems over NFS. * * The NFS fileid goes out on the wire as an array of * 32bit unsigned ints in host order. There are 5 possible * formats. * * (1) fileid_type=0x00 * (no fileid data; handled by the generic code) * * (2) fileid_type=0x01 * inode-num * generation * * (3) fileid_type=0x02 * inode-num * generation * parent-inode-num * parent-generation * * (4) fileid_type=0x81 * inode-num-lo32 * inode-num-hi32 * generation * * (5) fileid_type=0x82 * inode-num-lo32 * inode-num-hi32 * generation * parent-inode-num-lo32 * parent-inode-num-hi32 * parent-generation * * Note, the NFS filehandle also includes an fsid portion which * may have an inode number in it. That number is hardcoded to * 32bits and there is no way for XFS to intercept it. In * practice this means when exporting an XFS filesystem with 64bit * inodes you should either export the mountpoint (rather than * a subdirectory) or use the "fsid" export option. */ struct xfs_fid64 { u64 ino; u32 gen; u64 parent_ino; u32 parent_gen; } __attribute__((packed)); /* This flag goes on the wire. Don't play with it. */ #define XFS_FILEID_TYPE_64FLAG 0x80 /* NFS fileid has 64bit inodes */ #endif /* __XFS_EXPORT_H__ */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 23 | 56.10% | 1 | 25.00% |
| Greg Banks | 15 | 36.59% | 1 | 25.00% |
| Dave Chinner | 2 | 4.88% | 1 | 25.00% |
| Nathan Scott | 1 | 2.44% | 1 | 25.00% |
| Total | 41 | 100.00% | 4 | 100.00% |