Where Online Learning is simpler!

The C and C++ Include Header Files

cat -n /usr/include/linux/nfs4_mount.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _LINUX_NFS4_MOUNT_H
     3	#define _LINUX_NFS4_MOUNT_H
     4	
     5	/*
     6	 *  linux/include/linux/nfs4_mount.h
     7	 *
     8	 *  Copyright (C) 2002  Trond Myklebust
     9	 *
    10	 *  structure passed from user-space to kernel-space during an nfsv4 mount
    11	 */
    12	
    13	/*
    14	 * WARNING!  Do not delete or change the order of these fields.  If
    15	 * a new field is required then add it to the end.  The version field
    16	 * tracks which fields are present.  This will ensure some measure of
    17	 * mount-to-kernel version compatibility.  Some of these aren't used yet
    18	 * but here they are anyway.
    19	 */
    20	#define NFS4_MOUNT_VERSION	1
    21	
    22	struct nfs_string {
    23		unsigned int len;
    24		const char * data;
    25	};
    26	
    27	struct nfs4_mount_data {
    28		int version;				/* 1 */
    29		int flags;				/* 1 */
    30		int rsize;				/* 1 */
    31		int wsize;				/* 1 */
    32		int timeo;				/* 1 */
    33		int retrans;				/* 1 */
    34		int acregmin;				/* 1 */
    35		int acregmax;				/* 1 */
    36		int acdirmin;				/* 1 */
    37		int acdirmax;				/* 1 */
    38	
    39		/* see the definition of 'struct clientaddr4' in RFC3010 */
    40		struct nfs_string client_addr;		/* 1 */
    41	
    42		/* Mount path */
    43		struct nfs_string mnt_path;		/* 1 */
    44	
    45		/* Server details */
    46		struct nfs_string hostname;		/* 1 */
    47		/* Server IP address */
    48		unsigned int host_addrlen;		/* 1 */
    49		struct sockaddr * host_addr;	/* 1 */
    50	
    51		/* Transport protocol to use */
    52		int proto;				/* 1 */
    53	
    54		/* Pseudo-flavours to use for authentication. See RFC2623 */
    55		int auth_flavourlen;			/* 1 */
    56		int *auth_flavours;		/* 1 */
    57	};
    58	
    59	/* bits in the flags field */
    60	/* Note: the fields that correspond to existing NFSv2/v3 mount options
    61	 * 	 should mirror the values from include/linux/nfs_mount.h
    62	 */
    63	
    64	#define NFS4_MOUNT_SOFT		0x0001	/* 1 */
    65	#define NFS4_MOUNT_INTR		0x0002	/* 1 */
    66	#define NFS4_MOUNT_NOCTO	0x0010	/* 1 */
    67	#define NFS4_MOUNT_NOAC		0x0020	/* 1 */
    68	#define NFS4_MOUNT_STRICTLOCK	0x1000	/* 1 */
    69	#define NFS4_MOUNT_UNSHARED	0x8000	/* 1 */
    70	#define NFS4_MOUNT_FLAGMASK	0x9033
    71	
    72	#endif