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David Howells607ca462012-10-13 10:46:48 +01001/*
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 */