1/*
2 *  linux/include/linux/nfs_fs.h
3 *
4 *  Copyright (C) 1992  Rick Sladkey
5 *
6 *  OS-specific nfs filesystem definitions and declarations
7 */
8
9#ifndef _UAPI_LINUX_NFS_FS_H
10#define _UAPI_LINUX_NFS_FS_H
11
12#include <linux/magic.h>
13
14/* Default timeout values */
15#define NFS_DEF_UDP_TIMEO	(11)
16#define NFS_DEF_UDP_RETRANS	(3)
17#define NFS_DEF_TCP_TIMEO	(600)
18#define NFS_DEF_TCP_RETRANS	(2)
19
20#define NFS_MAX_UDP_TIMEOUT	(60*HZ)
21#define NFS_MAX_TCP_TIMEOUT	(600*HZ)
22
23#define NFS_DEF_ACREGMIN	(3)
24#define NFS_DEF_ACREGMAX	(60)
25#define NFS_DEF_ACDIRMIN	(30)
26#define NFS_DEF_ACDIRMAX	(60)
27
28/*
29 * When flushing a cluster of dirty pages, there can be different
30 * strategies:
31 */
32#define FLUSH_SYNC		1	/* file being synced, or contention */
33#define FLUSH_STABLE		4	/* commit to stable storage */
34#define FLUSH_LOWPRI		8	/* low priority background flush */
35#define FLUSH_HIGHPRI		16	/* high priority memory reclaim flush */
36#define FLUSH_COND_STABLE	32	/* conditional stable write - only stable
37					 * if everything fits in one RPC */
38
39
40/*
41 * NFS debug flags
42 */
43#define NFSDBG_VFS		0x0001
44#define NFSDBG_DIRCACHE		0x0002
45#define NFSDBG_LOOKUPCACHE	0x0004
46#define NFSDBG_PAGECACHE	0x0008
47#define NFSDBG_PROC		0x0010
48#define NFSDBG_XDR		0x0020
49#define NFSDBG_FILE		0x0040
50#define NFSDBG_ROOT		0x0080
51#define NFSDBG_CALLBACK		0x0100
52#define NFSDBG_CLIENT		0x0200
53#define NFSDBG_MOUNT		0x0400
54#define NFSDBG_FSCACHE		0x0800
55#define NFSDBG_PNFS		0x1000
56#define NFSDBG_PNFS_LD		0x2000
57#define NFSDBG_STATE		0x4000
58#define NFSDBG_ALL		0xFFFF
59
60
61#endif /* _UAPI_LINUX_NFS_FS_H */
62