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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 */
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