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