cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/linux/nfs_fs.h

/*
 *  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 */

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