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authorDavid Teigland <teigland@redhat.com>2009-04-09 00:38:43 +0400
committerDavid Teigland <teigland@redhat.com>2009-05-07 19:14:42 +0400
commit8511a2728ab82cab398e39d019f5cf1246021c1c (patch)
treec1a99f292e9e56fe05d174be771f00a78c66a9b7 /fs/dlm
parent08ce4c91e44d51bb6c946f2756825a462d53c545 (diff)
downloadlinux-8511a2728ab82cab398e39d019f5cf1246021c1c.tar.xz
dlm: fix use count with multiple joins
When a lockspace was joined multiple times, the global dlm use count was incremented when it should not have been. This caused the global dlm threads to not be stopped when all lockspaces were eventually be removed. Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lockspace.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 82528d9b72ed..d489fcc86713 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -419,16 +419,14 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
break;
}
ls->ls_create_count++;
- module_put(THIS_MODULE);
- error = 1; /* not an error, return 0 */
+ *lockspace = ls;
+ error = 1;
break;
}
spin_unlock(&lslist_lock);
- if (error < 0)
- goto out;
if (error)
- goto ret_zero;
+ goto out;
error = -ENOMEM;
@@ -583,7 +581,6 @@ static int new_lockspace(const char *name, int namelen, void **lockspace,
dlm_create_debug_file(ls);
log_debug(ls, "join complete");
- ret_zero:
*lockspace = ls;
return 0;
@@ -628,7 +625,9 @@ int dlm_new_lockspace(const char *name, int namelen, void **lockspace,
error = new_lockspace(name, namelen, lockspace, flags, lvblen);
if (!error)
ls_count++;
- else if (!ls_count)
+ if (error > 0)
+ error = 0;
+ if (!ls_count)
threads_stop();
out:
mutex_unlock(&ls_lock);