diff options
| author | David Teigland <teigland@redhat.com> | 2008-03-14 15:09:15 -0500 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2008-04-21 11:22:28 -0500 |
| commit | 2402211a8389282fd2942fad4511f02c0eeeffc5 (patch) | |
| tree | 853e5818a29816e642689d7e793a845d2519711b /include/linux/dlm_plock.h | |
| parent | d44e0fc704143624b3e88fbf8fbcfda7a83fd299 (diff) | |
dlm: move plock code from gfs2
Move the code that handles cluster posix locks from gfs2 into the dlm
so that it can be used by both gfs2 and ocfs2.
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'include/linux/dlm_plock.h')
| -rw-r--r-- | include/linux/dlm_plock.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/dlm_plock.h b/include/linux/dlm_plock.h new file mode 100644 index 000000000000..18d5fdbceb74 --- /dev/null +++ b/include/linux/dlm_plock.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2005-2008 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 __DLM_PLOCK_DOT_H__ +#define __DLM_PLOCK_DOT_H__ + +#define DLM_PLOCK_MISC_NAME "dlm_plock" + +#define DLM_PLOCK_VERSION_MAJOR 1 +#define DLM_PLOCK_VERSION_MINOR 1 +#define DLM_PLOCK_VERSION_PATCH 0 + +enum { + DLM_PLOCK_OP_LOCK = 1, + DLM_PLOCK_OP_UNLOCK, + DLM_PLOCK_OP_GET, +}; + +struct dlm_plock_info { + __u32 version[3]; + __u8 optype; + __u8 ex; + __u8 wait; + __u8 pad; + __u32 pid; + __s32 nodeid; + __s32 rv; + __u32 fsid; + __u64 number; + __u64 start; + __u64 end; + __u64 owner; +}; + +#ifdef __KERNEL__ +int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file, + int cmd, struct file_lock *fl); +int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file, + struct file_lock *fl); +int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file, + struct file_lock *fl); +#endif /* __KERNEL__ */ + +#endif + |