/* 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 _UAPI_LINUX_NFS_FS_H
#define _UAPI_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 0 x0001
#define NFSDBG_DIRCACHE 0 x0002
#define NFSDBG_LOOKUPCACHE 0 x0004
#define NFSDBG_PAGECACHE 0 x0008
#define NFSDBG_PROC 0 x0010
#define NFSDBG_XDR 0 x0020
#define NFSDBG_FILE 0 x0040
#define NFSDBG_ROOT 0 x0080
#define NFSDBG_CALLBACK 0 x0100
#define NFSDBG_CLIENT 0 x0200
#define NFSDBG_MOUNT 0 x0400
#define NFSDBG_FSCACHE 0 x0800 /* unused */
#define NFSDBG_PNFS 0 x1000
#define NFSDBG_PNFS_LD 0 x2000
#define NFSDBG_STATE 0 x4000
#define NFSDBG_XATTRCACHE 0 x8000
#define NFSDBG_ALL 0 xFFFF
#endif /* _UAPI_LINUX_NFS_FS_H */
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