include/uapi/linux/nfs_fs.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/nfs_fs.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/nfs_fs.h
Extension
.h
Size
1669 bytes
Lines
64
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#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 /* unused */
#define NFSDBG_PNFS		0x1000
#define NFSDBG_PNFS_LD		0x2000
#define NFSDBG_STATE		0x4000
#define NFSDBG_XATTRCACHE	0x8000
#define NFSDBG_ALL		0xFFFF


#endif /* _UAPI_LINUX_NFS_FS_H */

Annotation

Implementation Notes