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kernel/linux-rt-4.4.41/include/uapi/linux/nfs_fs.h 1.52 KB
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  /*
   *  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		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
  #define NFSDBG_PNFS		0x1000
  #define NFSDBG_PNFS_LD		0x2000
  #define NFSDBG_STATE		0x4000
  #define NFSDBG_ALL		0xFFFF
  
  
  #endif /* _UAPI_LINUX_NFS_FS_H */