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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * linux/include/linux/nfs_fs.h * * Copyright (C) 1992 Rick Sladkey * * OS-specific nfs filesystem definitions and declarations */ #ifndef _LINUX_NFS_FS_H #define _LINUX_NFS_FS_H #include <linux/magic.h> /* Default timeout values */ #define NFS_DEF_UDP_TIMEO (11) #define NFS_DEF_UDP_RETRANS (3) #define NFS_DEF_TCP_TIMEO (600) #define NFS_DEF_TCP_RETRANS (2) #define NFS_MAX_UDP_TIMEOUT (60*HZ) #define NFS_MAX_TCP_TIMEOUT (600*HZ) #define NFS_DEF_ACREGMIN (3) #define NFS_DEF_ACREGMAX (60) #define NFS_DEF_ACDIRMIN (30) #define NFS_DEF_ACDIRMAX (60) /* * When flushing a cluster of dirty pages, there can be different * strategies: */ #define FLUSH_SYNC 1 /* file being synced, or contention */ #define FLUSH_STABLE 4 /* commit to stable storage */ #define FLUSH_LOWPRI 8 /* low priority background flush */ #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ #define FLUSH_COND_STABLE 32 /* conditional stable write - only stable * if everything fits in one RPC */ /* * NFS debug flags */ #define NFSDBG_VFS 0x0001 #define NFSDBG_DIRCACHE 0x0002 #define NFSDBG_LOOKUPCACHE 0x0004 #define NFSDBG_PAGECACHE 0x0008 #define NFSDBG_PROC 0x0010 #define NFSDBG_XDR 0x0020 #define NFSDBG_FILE 0x0040 #define NFSDBG_ROOT 0x0080 #define NFSDBG_CALLBACK 0x0100 #define NFSDBG_CLIENT 0x0200 #define NFSDBG_MOUNT 0x0400 #define NFSDBG_FSCACHE 0x0800 /* unused */ #define NFSDBG_PNFS 0x1000 #define NFSDBG_PNFS_LD 0x2000 #define NFSDBG_STATE 0x4000 #define NFSDBG_XATTRCACHE 0x8000 #define NFSDBG_ALL 0xFFFF #endif /* _LINUX_NFS_FS_H */