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| author | David Teigland <teigland@redhat.com> | 2006-01-18 09:30:29 +0000 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-01-18 09:30:29 +0000 |
| commit | e7fd41792fc0ee52a05fcaac87511f118328d147 (patch) | |
| tree | eee5227088ba97daef795e385b7548d2a1cc4cb6 /fs/dlm/memory.h | |
| parent | e47314207032cfd1157b8c377df162839b32ea6f (diff) | |
| download | lwn-e7fd41792fc0ee52a05fcaac87511f118328d147.tar.gz lwn-e7fd41792fc0ee52a05fcaac87511f118328d147.zip | |
[DLM] The core of the DLM for GFS2/CLVM
This is the core of the distributed lock manager which is required
to use GFS2 as a cluster filesystem. It is also used by CLVM and
can be used as a standalone lock manager independantly of either
of these two projects.
It implements VAX-style locking modes.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steve Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/dlm/memory.h')
| -rw-r--r-- | fs/dlm/memory.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/dlm/memory.h b/fs/dlm/memory.h new file mode 100644 index 000000000000..7b235132b0b4 --- /dev/null +++ b/fs/dlm/memory.h @@ -0,0 +1,31 @@ +/****************************************************************************** +******************************************************************************* +** +** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. +** Copyright (C) 2004-2005 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 __MEMORY_DOT_H__ +#define __MEMORY_DOT_H__ + +int dlm_memory_init(void); +void dlm_memory_exit(void); +struct dlm_rsb *allocate_rsb(struct dlm_ls *ls, int namelen); +void free_rsb(struct dlm_rsb *r); +struct dlm_lkb *allocate_lkb(struct dlm_ls *ls); +void free_lkb(struct dlm_lkb *l); +struct dlm_direntry *allocate_direntry(struct dlm_ls *ls, int namelen); +void free_direntry(struct dlm_direntry *de); +char *allocate_lvb(struct dlm_ls *ls); +void free_lvb(char *l); +uint64_t *allocate_range(struct dlm_ls *ls); +void free_range(uint64_t *l); + +#endif /* __MEMORY_DOT_H__ */ + |