/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/******************************************************************************
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* * Copyright ( C ) Sistina Software , Inc . 1997 - 2003 All rights reserved .
* * Copyright ( C ) 2004 - 2007 Red Hat , Inc . All rights reserved .
* *
* * This copyrighted material is made available to anyone wishing to use ,
* * modify , copy , or redistribute it subject to the terms and conditions
* * of the GNU General Public License v . 2 .
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
******************************************************************************/
#ifndef _LINUX_DLM_DEVICE_H
#define _LINUX_DLM_DEVICE_H
/* This is the device interface for dlm, most users will use a library
* interface .
*/
#include <linux/dlm.h>
#include <linux/types.h>
#define DLM_USER_LVB_LEN 32
/* Version of the device interface */
#define DLM_DEVICE_VERSION_MAJOR 6
#define DLM_DEVICE_VERSION_MINOR 0
#define DLM_DEVICE_VERSION_PATCH 2
/* struct passed to the lock write */
struct dlm_lock_params {
__u8 mode;
__u8 namelen;
__u16 unused;
__u32 flags;
__u32 lkid;
__u32 parent;
__u64 xid;
__u64 timeout;
void __user *castparam;
void __user *castaddr;
void __user *bastparam;
void __user *bastaddr;
struct dlm_lksb __user *lksb;
char lvb[DLM_USER_LVB_LEN];
char name[];
};
struct dlm_lspace_params {
__u32 flags;
__u32 minor;
char name[];
};
struct dlm_purge_params {
__u32 nodeid;
__u32 pid;
};
struct dlm_write_request {
__u32 version[3 ];
__u8 cmd;
__u8 is64bit;
__u8 unused[2 ];
union {
struct dlm_lock_params lock;
struct dlm_lspace_params lspace;
struct dlm_purge_params purge;
} i;
};
struct dlm_device_version {
__u32 version[3 ];
};
/* struct read from the "device" fd,
consists mainly of userspace pointers for the library to use */
struct dlm_lock_result {
__u32 version[3 ];
__u32 length;
void __user * user_astaddr;
void __user * user_astparam;
struct dlm_lksb __user * user_lksb;
struct dlm_lksb lksb;
__u8 bast_mode;
__u8 unused[3 ];
/* Offsets may be zero if no data is present */
__u32 lvb_offset;
};
/* Commands passed to the device */
#define DLM_USER_LOCK 1
#define DLM_USER_UNLOCK 2
#define DLM_USER_QUERY 3
#define DLM_USER_CREATE_LOCKSPACE 4
#define DLM_USER_REMOVE_LOCKSPACE 5
#define DLM_USER_PURGE 6
#define DLM_USER_DEADLOCK 7
/* Lockspace flags */
#define DLM_USER_LSFLG_AUTOFREE 1
#define DLM_USER_LSFLG_FORCEFREE 2
#endif
Messung V0.5 in Prozent C=94 H=97 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-29)
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