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authorDavid Teigland <teigland@redhat.com>2008-08-06 13:30:24 -0500
committerDavid Teigland <teigland@redhat.com>2008-08-28 11:49:15 -0500
commit0f8e0d9a317406612700426fad3efab0b7bbc467 (patch)
treeb4ed35afeab36615e50d5c7928a6199780fd2fca /fs/dlm/dlm_internal.h
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
dlm: allow multiple lockspace creates
Add a count for lockspace create and release so that create can be called multiple times to use the lockspace from different places. Also add the new flag DLM_LSFL_NEWEXCL to create a lockspace with the previous behavior of returning -EEXIST if the lockspace already exists. Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/dlm_internal.h')
-rw-r--r--fs/dlm/dlm_internal.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 5a7ac33b629c..9e0622aff496 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -2,7 +2,7 @@
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
-** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+** Copyright (C) 2004-2008 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
@@ -441,7 +441,9 @@ struct dlm_ls {
uint32_t ls_global_id; /* global unique lockspace ID */
uint32_t ls_exflags;
int ls_lvblen;
- int ls_count; /* reference count */
+ int ls_count; /* refcount of processes in
+ the dlm using this ls */
+ int ls_create_count; /* create/release refcount */
unsigned long ls_flags; /* LSFL_ */
struct kobject ls_kobj;