Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (c) 2005 Silicon Graphics, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef __XFS_EXPORT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define __XFS_EXPORT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Common defines for code related to exporting XFS filesystems over NFS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * The NFS fileid goes out on the wire as an array of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * 32bit unsigned ints in host order.  There are 5 possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * (1)	fileid_type=0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *	(no fileid data; handled by the generic code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * (2)	fileid_type=0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  *	inode-num
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *	generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * (3)	fileid_type=0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  *	inode-num
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  *	generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  *	parent-inode-num
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  *	parent-generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  * (4)	fileid_type=0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  *	inode-num-lo32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  *	inode-num-hi32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  *	generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * (5)	fileid_type=0x82
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  *	inode-num-lo32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  *	inode-num-hi32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  *	generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  *	parent-inode-num-lo32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  *	parent-inode-num-hi32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)  *	parent-generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)  * Note, the NFS filehandle also includes an fsid portion which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)  * may have an inode number in it.  That number is hardcoded to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)  * 32bits and there is no way for XFS to intercept it.  In
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)  * practice this means when exporting an XFS filesystem with 64bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  * inodes you should either export the mountpoint (rather than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * a subdirectory) or use the "fsid" export option.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct xfs_fid64 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	u64 ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	u32 gen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	u64 parent_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	u32 parent_gen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } __attribute__((packed));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* This flag goes on the wire.  Don't play with it. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define XFS_FILEID_TYPE_64FLAG	0x80	/* NFS fileid has 64bit inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #endif	/* __XFS_EXPORT_H__ */