nfs_fs.h

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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 */