diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index 7f246c5692d8..046ab9a80769 100644
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -17,9 +17,8 @@ struct ocfs2_dentry_lock {
 	u64			dl_parent_blkno;
 
 	/*
-	 * The ocfs2_dentry_lock keeps an inode reference until
-	 * dl_lockres has been destroyed. This is usually done in
-	 * ->d_iput() anyway, so there should be minimal impact.
+	 * The inode reference is dropped before dl_lockres is unlocked.
+	 * Callbacks must not use it to find the mount context during teardown.
 	 */
 	struct inode		*dl_inode;
 	struct ocfs2_lock_res	dl_lockres;
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 412ab0808c59..c281902e3bec 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -58,7 +58,6 @@ struct ocfs2_mask_waiter {
 #endif
 };
 
-static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres);
 static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres);
 static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres);
 static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres);
@@ -258,7 +257,6 @@ static const struct ocfs2_lock_res_ops ocfs2_orphan_scan_lops = {
 };
 
 static const struct ocfs2_lock_res_ops ocfs2_dentry_lops = {
-	.get_osb	= ocfs2_get_dentry_osb,
 	.post_unlock	= ocfs2_dentry_post_unlock,
 	.downconvert_worker = ocfs2_dentry_convert_worker,
 	.flags		= 0,
@@ -309,7 +307,7 @@ static inline struct ocfs2_dentry_lock *ocfs2_lock_res_dl(struct ocfs2_lock_res
 {
 	BUG_ON(lockres->l_type != OCFS2_LOCK_TYPE_DENTRY);
 
-	return (struct ocfs2_dentry_lock *)lockres->l_priv;
+	return container_of(lockres, struct ocfs2_dentry_lock, dl_lockres);
 }
 
 static inline struct ocfs2_mem_dqinfo *ocfs2_lock_res_qinfo(struct ocfs2_lock_res *lockres)
@@ -610,13 +608,6 @@ static __u64 ocfs2_get_dentry_lock_ino(struct ocfs2_lock_res *lockres)
 	return be64_to_cpu(inode_blkno_be);
 }
 
-static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres)
-{
-	struct ocfs2_dentry_lock *dl = lockres->l_priv;
-
-	return OCFS2_SB(dl->dl_inode->i_sb);
-}
-
 void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl,
 				u64 parent, struct inode *inode)
 {
@@ -624,6 +615,7 @@ void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl,
 	u64 inode_blkno = OCFS2_I(inode)->ip_blkno;
 	__be64 inode_blkno_be = cpu_to_be64(inode_blkno);
 	struct ocfs2_lock_res *lockres = &dl->dl_lockres;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
 	ocfs2_lock_res_init_once(lockres);
 
@@ -652,9 +644,9 @@ void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl,
 	memcpy(&lockres->l_name[OCFS2_DENTRY_LOCK_INO_START], &inode_blkno_be,
 	       sizeof(__be64));
 
-	ocfs2_lock_res_init_common(OCFS2_SB(inode->i_sb), lockres,
+	ocfs2_lock_res_init_common(osb, lockres,
 				   OCFS2_LOCK_TYPE_DENTRY, &ocfs2_dentry_lops,
-				   dl);
+				   osb);
 }
 
 static void ocfs2_super_lock_res_init(struct ocfs2_lock_res *res,