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607ca46e DH |
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 */ |