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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/dir.h | |
| parent | [GFS2] Add documentation for GFS2 (diff) | |
| download | linux-dev-e7fd41792fc0ee52a05fcaac87511f118328d147.tar.xz linux-dev-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/dir.h')
| -rw-r--r-- | fs/dlm/dir.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/dlm/dir.h b/fs/dlm/dir.h new file mode 100644 index 000000000000..0b0eb1267b6e --- /dev/null +++ b/fs/dlm/dir.h @@ -0,0 +1,30 @@ +/****************************************************************************** +******************************************************************************* +** +** 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 __DIR_DOT_H__ +#define __DIR_DOT_H__ + + +int dlm_dir_nodeid(struct dlm_rsb *rsb); +int dlm_hash2nodeid(struct dlm_ls *ls, uint32_t hash); +void dlm_dir_remove_entry(struct dlm_ls *ls, int nodeid, char *name, int len); +void dlm_dir_clear(struct dlm_ls *ls); +void dlm_clear_free_entries(struct dlm_ls *ls); +int dlm_recover_directory(struct dlm_ls *ls); +int dlm_dir_lookup(struct dlm_ls *ls, int nodeid, char *name, int namelen, + int *r_nodeid); +void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, + char *outbuf, int outlen, int nodeid); + +#endif /* __DIR_DOT_H__ */ + |