fs/orangefs/orangefs-dev-proto.h

Source file repositories/reference/linux-study-clean/fs/orangefs/orangefs-dev-proto.h

File Facts

System
Linux kernel
Corpus path
fs/orangefs/orangefs-dev-proto.h
Extension
.h
Size
2111 bytes
Lines
62
Domain
Core OS
Bucket
VFS And Filesystem Core
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 _ORANGEFS_DEV_PROTO_H
#define _ORANGEFS_DEV_PROTO_H

/*
 * types and constants shared between user space and kernel space for
 * device interaction using a common protocol
 */

/*
 * valid orangefs kernel operation types
 */
#define ORANGEFS_VFS_OP_INVALID           0xFF000000
#define ORANGEFS_VFS_OP_FILE_IO        0xFF000001
#define ORANGEFS_VFS_OP_LOOKUP         0xFF000002
#define ORANGEFS_VFS_OP_CREATE         0xFF000003
#define ORANGEFS_VFS_OP_GETATTR        0xFF000004
#define ORANGEFS_VFS_OP_REMOVE         0xFF000005
#define ORANGEFS_VFS_OP_MKDIR          0xFF000006
#define ORANGEFS_VFS_OP_READDIR        0xFF000007
#define ORANGEFS_VFS_OP_SETATTR        0xFF000008
#define ORANGEFS_VFS_OP_SYMLINK        0xFF000009
#define ORANGEFS_VFS_OP_RENAME         0xFF00000A
#define ORANGEFS_VFS_OP_STATFS         0xFF00000B
#define ORANGEFS_VFS_OP_TRUNCATE       0xFF00000C
#define ORANGEFS_VFS_OP_RA_FLUSH       0xFF00000D
#define ORANGEFS_VFS_OP_FS_MOUNT       0xFF00000E
#define ORANGEFS_VFS_OP_FS_UMOUNT      0xFF00000F
#define ORANGEFS_VFS_OP_GETXATTR       0xFF000010
#define ORANGEFS_VFS_OP_SETXATTR          0xFF000011
#define ORANGEFS_VFS_OP_LISTXATTR         0xFF000012
#define ORANGEFS_VFS_OP_REMOVEXATTR       0xFF000013
#define ORANGEFS_VFS_OP_PARAM          0xFF000014
#define ORANGEFS_VFS_OP_PERF_COUNT     0xFF000015
#define ORANGEFS_VFS_OP_CANCEL            0xFF00EE00
#define ORANGEFS_VFS_OP_FSYNC          0xFF00EE01
#define ORANGEFS_VFS_OP_FSKEY             0xFF00EE02
#define ORANGEFS_VFS_OP_READDIRPLUS       0xFF00EE03
#define ORANGEFS_VFS_OP_FEATURES	0xFF00EE05 /* 2.9.6 */

/* features is a 64-bit unsigned bitmask */
#define ORANGEFS_FEATURE_READAHEAD 1

/*
 * Misc constants. Please retain them as multiples of 8!
 * Otherwise 32-64 bit interactions will be messed up :)
 */
#define ORANGEFS_MAX_DEBUG_STRING_LEN	0x00000800

#define ORANGEFS_MAX_DIRENT_COUNT_READDIR 512

#include "upcall.h"
#include "downcall.h"

#endif

Annotation

Implementation Notes