| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 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 */ |