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authorSunil Mushran <sunil.mushran@oracle.com>2011-07-24 10:27:54 -0700
committerSunil Mushran <sunil.mushran@oracle.com>2011-07-24 10:27:54 -0700
commite9f0b6a6233105c188064328c3f15e21942d0241 (patch)
tree362f0f98f9a7d9909a75210b3a2a4b8eb5532323 /fs/ocfs2/dlm/dlmdomain.c
parentocfs2/dlm: Clean up refmap helpers (diff)
downloadlinux-dev-e9f0b6a6233105c188064328c3f15e21942d0241.tar.xz
linux-dev-e9f0b6a6233105c188064328c3f15e21942d0241.zip
ocfs2/dlm: Trace insert/remove of resource to/from hash
Add mlog to trace adding and removing the resource from/to the hash table. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Diffstat (limited to '')
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index ce225fb0cea7..200d9888ffee 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -157,16 +157,18 @@ static int dlm_protocol_compare(struct dlm_protocol_version *existing,
static void dlm_unregister_domain_handlers(struct dlm_ctxt *dlm);
-void __dlm_unhash_lockres(struct dlm_lock_resource *lockres)
+void __dlm_unhash_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{
- if (!hlist_unhashed(&lockres->hash_node)) {
- hlist_del_init(&lockres->hash_node);
- dlm_lockres_put(lockres);
- }
+ if (hlist_unhashed(&res->hash_node))
+ return;
+
+ mlog(0, "%s: Unhash res %.*s\n", dlm->name, res->lockname.len,
+ res->lockname.name);
+ hlist_del_init(&res->hash_node);
+ dlm_lockres_put(res);
}
-void __dlm_insert_lockres(struct dlm_ctxt *dlm,
- struct dlm_lock_resource *res)
+void __dlm_insert_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{
struct hlist_head *bucket;
struct qstr *q;
@@ -180,6 +182,9 @@ void __dlm_insert_lockres(struct dlm_ctxt *dlm,
dlm_lockres_get(res);
hlist_add_head(&res->hash_node, bucket);
+
+ mlog(0, "%s: Hash res %.*s\n", dlm->name, res->lockname.len,
+ res->lockname.name);
}
struct dlm_lock_resource * __dlm_lookup_lockres_full(struct dlm_ctxt *dlm,