| David Teigland | 2402211 | 2008-03-14 15:09:15 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. |
| 3 | * |
| 4 | * This copyrighted material is made available to anyone wishing to use, |
| 5 | * modify, copy, or redistribute it subject to the terms and conditions |
| 6 | * of the GNU General Public License v.2. |
| 7 | */ |
| 8 | |
| 9 | #ifndef __DLM_PLOCK_DOT_H__ |
| 10 | #define __DLM_PLOCK_DOT_H__ |
| 11 | |
| Jaswinder Singh Rajput | 37eb1f4 | 2009-01-30 20:51:30 +0530 | [diff] [blame] | 12 | #include <linux/types.h> |
| 13 | |
| David Teigland | 2402211 | 2008-03-14 15:09:15 -0500 | [diff] [blame] | 14 | #define DLM_PLOCK_MISC_NAME "dlm_plock" |
| 15 | |
| 16 | #define DLM_PLOCK_VERSION_MAJOR 1 |
| 17 | #define DLM_PLOCK_VERSION_MINOR 1 |
| 18 | #define DLM_PLOCK_VERSION_PATCH 0 |
| 19 | |
| 20 | enum { |
| 21 | DLM_PLOCK_OP_LOCK = 1, |
| 22 | DLM_PLOCK_OP_UNLOCK, |
| 23 | DLM_PLOCK_OP_GET, |
| 24 | }; |
| 25 | |
| 26 | struct dlm_plock_info { |
| 27 | __u32 version[3]; |
| 28 | __u8 optype; |
| 29 | __u8 ex; |
| 30 | __u8 wait; |
| 31 | __u8 pad; |
| 32 | __u32 pid; |
| 33 | __s32 nodeid; |
| 34 | __s32 rv; |
| 35 | __u32 fsid; |
| 36 | __u64 number; |
| 37 | __u64 start; |
| 38 | __u64 end; |
| 39 | __u64 owner; |
| 40 | }; |
| 41 | |
| 42 | #ifdef __KERNEL__ |
| 43 | int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file, |
| 44 | int cmd, struct file_lock *fl); |
| 45 | int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file, |
| 46 | struct file_lock *fl); |
| 47 | int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file, |
| 48 | struct file_lock *fl); |
| 49 | #endif /* __KERNEL__ */ |
| 50 | |
| 51 | #endif |
| 52 | |