16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells /* 3607ca46eSDavid Howells * linux/include/linux/nfs_fs.h 4607ca46eSDavid Howells * 5607ca46eSDavid Howells * Copyright (C) 1992 Rick Sladkey 6607ca46eSDavid Howells * 7607ca46eSDavid Howells * OS-specific nfs filesystem definitions and declarations 8607ca46eSDavid Howells */ 9607ca46eSDavid Howells 10607ca46eSDavid Howells #ifndef _UAPI_LINUX_NFS_FS_H 11607ca46eSDavid Howells #define _UAPI_LINUX_NFS_FS_H 12607ca46eSDavid Howells 13607ca46eSDavid Howells #include <linux/magic.h> 14607ca46eSDavid Howells 15607ca46eSDavid Howells /* Default timeout values */ 16607ca46eSDavid Howells #define NFS_DEF_UDP_TIMEO (11) 17607ca46eSDavid Howells #define NFS_DEF_UDP_RETRANS (3) 18607ca46eSDavid Howells #define NFS_DEF_TCP_TIMEO (600) 19607ca46eSDavid Howells #define NFS_DEF_TCP_RETRANS (2) 20607ca46eSDavid Howells 21607ca46eSDavid Howells #define NFS_MAX_UDP_TIMEOUT (60*HZ) 22607ca46eSDavid Howells #define NFS_MAX_TCP_TIMEOUT (600*HZ) 23607ca46eSDavid Howells 24607ca46eSDavid Howells #define NFS_DEF_ACREGMIN (3) 25607ca46eSDavid Howells #define NFS_DEF_ACREGMAX (60) 26607ca46eSDavid Howells #define NFS_DEF_ACDIRMIN (30) 27607ca46eSDavid Howells #define NFS_DEF_ACDIRMAX (60) 28607ca46eSDavid Howells 29607ca46eSDavid Howells /* 30607ca46eSDavid Howells * When flushing a cluster of dirty pages, there can be different 31607ca46eSDavid Howells * strategies: 32607ca46eSDavid Howells */ 33607ca46eSDavid Howells #define FLUSH_SYNC 1 /* file being synced, or contention */ 34607ca46eSDavid Howells #define FLUSH_STABLE 4 /* commit to stable storage */ 35607ca46eSDavid Howells #define FLUSH_LOWPRI 8 /* low priority background flush */ 36607ca46eSDavid Howells #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ 37607ca46eSDavid Howells #define FLUSH_COND_STABLE 32 /* conditional stable write - only stable 38607ca46eSDavid Howells * if everything fits in one RPC */ 39607ca46eSDavid Howells 40607ca46eSDavid Howells 41607ca46eSDavid Howells /* 42607ca46eSDavid Howells * NFS debug flags 43607ca46eSDavid Howells */ 44607ca46eSDavid Howells #define NFSDBG_VFS 0x0001 45607ca46eSDavid Howells #define NFSDBG_DIRCACHE 0x0002 46607ca46eSDavid Howells #define NFSDBG_LOOKUPCACHE 0x0004 47607ca46eSDavid Howells #define NFSDBG_PAGECACHE 0x0008 48607ca46eSDavid Howells #define NFSDBG_PROC 0x0010 49607ca46eSDavid Howells #define NFSDBG_XDR 0x0020 50607ca46eSDavid Howells #define NFSDBG_FILE 0x0040 51607ca46eSDavid Howells #define NFSDBG_ROOT 0x0080 52607ca46eSDavid Howells #define NFSDBG_CALLBACK 0x0100 53607ca46eSDavid Howells #define NFSDBG_CLIENT 0x0200 54607ca46eSDavid Howells #define NFSDBG_MOUNT 0x0400 55*b5fdf66fSDave Wysochanski #define NFSDBG_FSCACHE 0x0800 /* unused */ 56607ca46eSDavid Howells #define NFSDBG_PNFS 0x1000 57607ca46eSDavid Howells #define NFSDBG_PNFS_LD 0x2000 58607ca46eSDavid Howells #define NFSDBG_STATE 0x4000 5995ad37f9SFrank van der Linden #define NFSDBG_XATTRCACHE 0x8000 60607ca46eSDavid Howells #define NFSDBG_ALL 0xFFFF 61607ca46eSDavid Howells 62607ca46eSDavid Howells 63607ca46eSDavid Howells #endif /* _UAPI_LINUX_NFS_FS_H */ 64