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path: root/fs/ocfs2/dlm/dlmdomain.c
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Diffstat (limited to 'fs/ocfs2/dlm/dlmdomain.c')
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 4f7695c851ed..c137d693cef3 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -33,6 +33,7 @@
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/debugfs.h>
#include "cluster/heartbeat.h"
#include "cluster/nodemanager.h"
@@ -40,8 +41,8 @@
#include "dlmapi.h"
#include "dlmcommon.h"
-
#include "dlmdomain.h"
+#include "dlmdebug.h"
#include "dlmver.h"
@@ -298,6 +299,8 @@ static int dlm_wait_on_domain_helper(const char *domain)
static void dlm_free_ctxt_mem(struct dlm_ctxt *dlm)
{
+ dlm_destroy_debugfs_subroot(dlm);
+
if (dlm->lockres_hash)
dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES);
@@ -1494,6 +1497,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
u32 key)
{
int i;
+ int ret;
struct dlm_ctxt *dlm = NULL;
dlm = kzalloc(sizeof(*dlm), GFP_KERNEL);
@@ -1526,6 +1530,15 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
dlm->key = key;
dlm->node_num = o2nm_this_node();
+ ret = dlm_create_debugfs_subroot(dlm);
+ if (ret < 0) {
+ dlm_free_pagevec((void **)dlm->lockres_hash, DLM_HASH_PAGES);
+ kfree(dlm->name);
+ kfree(dlm);
+ dlm = NULL;
+ goto leave;
+ }
+
spin_lock_init(&dlm->spinlock);
spin_lock_init(&dlm->master_lock);
spin_lock_init(&dlm->ast_lock);
@@ -1851,8 +1864,13 @@ static int __init dlm_init(void)
goto error;
}
+ status = dlm_create_debugfs_root();
+ if (status)
+ goto error;
+
return 0;
error:
+ dlm_unregister_net_handlers();
dlm_destroy_lock_cache();
dlm_destroy_master_caches();
dlm_destroy_mle_cache();
@@ -1861,6 +1879,7 @@ error:
static void __exit dlm_exit (void)
{
+ dlm_destroy_debugfs_root();
dlm_unregister_net_handlers();
dlm_destroy_lock_cache();
dlm_destroy_master_caches();