1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * linux/include/linux/nfs_fs.h |
4 | * |
5 | * Copyright (C) 1992 Rick Sladkey |
6 | * |
7 | * OS-specific nfs filesystem definitions and declarations |
8 | */ |
9 | |
10 | #ifndef _UAPI_LINUX_NFS_FS_H |
11 | #define _UAPI_LINUX_NFS_FS_H |
12 | |
13 | #include <linux/magic.h> |
14 | |
15 | /* Default timeout values */ |
16 | #define NFS_DEF_UDP_TIMEO (11) |
17 | #define NFS_DEF_UDP_RETRANS (3) |
18 | #define NFS_DEF_TCP_TIMEO (600) |
19 | #define NFS_DEF_TCP_RETRANS (2) |
20 | |
21 | #define NFS_MAX_UDP_TIMEOUT (60*HZ) |
22 | #define NFS_MAX_TCP_TIMEOUT (600*HZ) |
23 | |
24 | #define NFS_DEF_ACREGMIN (3) |
25 | #define NFS_DEF_ACREGMAX (60) |
26 | #define NFS_DEF_ACDIRMIN (30) |
27 | #define NFS_DEF_ACDIRMAX (60) |
28 | |
29 | /* |
30 | * When flushing a cluster of dirty pages, there can be different |
31 | * strategies: |
32 | */ |
33 | #define FLUSH_SYNC 1 /* file being synced, or contention */ |
34 | #define FLUSH_STABLE 4 /* commit to stable storage */ |
35 | #define FLUSH_LOWPRI 8 /* low priority background flush */ |
36 | #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ |
37 | #define FLUSH_COND_STABLE 32 /* conditional stable write - only stable |
38 | * if everything fits in one RPC */ |
39 | |
40 | |
41 | /* |
42 | * NFS debug flags |
43 | */ |
44 | #define NFSDBG_VFS 0x0001 |
45 | #define NFSDBG_DIRCACHE 0x0002 |
46 | #define NFSDBG_LOOKUPCACHE 0x0004 |
47 | #define NFSDBG_PAGECACHE 0x0008 |
48 | #define NFSDBG_PROC 0x0010 |
49 | #define NFSDBG_XDR 0x0020 |
50 | #define NFSDBG_FILE 0x0040 |
51 | #define NFSDBG_ROOT 0x0080 |
52 | #define NFSDBG_CALLBACK 0x0100 |
53 | #define NFSDBG_CLIENT 0x0200 |
54 | #define NFSDBG_MOUNT 0x0400 |
55 | #define NFSDBG_FSCACHE 0x0800 /* unused */ |
56 | #define NFSDBG_PNFS 0x1000 |
57 | #define NFSDBG_PNFS_LD 0x2000 |
58 | #define NFSDBG_STATE 0x4000 |
59 | #define NFSDBG_XATTRCACHE 0x8000 |
60 | #define NFSDBG_ALL 0xFFFF |
61 | |
62 | |
63 | #endif /* _UAPI_LINUX_NFS_FS_H */ |
64 | |